path: root/CHANGES

Changes with nginx 0.9.6                                         21 Mar 2011

    *) Feature: the "map" directive supports regular expressions as value 
       of the first parameter.

    *) Feature: $time_iso8601 access_log variable.
       Thanks to Michael Lustfield.


Changes with nginx 0.9.5                                         21 Feb 2011

    *) Change: now nginx uses a default listen backlog value -1 on 
       Linux.
       Thanks to Andrei Nigmatulin.

    *) Feature: the "utf8" parameter of "geoip_country" and "geoip_city" 
       directives.
       Thanks to Denis F. Latypoff.

    *) Bugfix: in a default "proxy_redirect" directive if "proxy_pass" 
       directive has no URI part.
       Thanks to Maxim Dounin.

    *) Bugfix: an "error_page" directive did not work with nonstandard 
       error codes; the bug had appeared in 0.8.53.
       Thanks to Maxim Dounin.


Changes with nginx 0.9.4                                         21 Jan 2011

    *) Feature: the "server_name" directive supports the $hostname variable.

    *) Feature: 494 code for "Request Header Too Large" error.


Changes with nginx 0.9.3                                         13 Dec 2010

    *) Bugfix: if there was a single server for given IPv6 address:port 
       pair, then captures in regular expressions in a "server_name" 
       directive did not work.

    *) Bugfix: nginx could not be built on Solaris; the bug had appeared in 
       0.9.0.


Changes with nginx 0.9.2                                         06 Dec 2010

    *) Feature: the "If-Unmodified-Since" client request header line 
       support.

    *) Workaround: fallback to accept() syscall if accept4() was not 
       implemented; the issue had appeared in 0.9.0.

    *) Bugfix: nginx could not be built on Cygwin; the bug had appeared in 
       0.9.0.

    *) Bugfix: for OpenSSL vulnerability CVE-2010-4180.
       Thanks to Maxim Dounin.


Changes with nginx 0.9.1                                         30 Nov 2010

    *) Bugfix: "return CODE message" directives did not work; the bug had 
       appeared in 0.9.0.


Changes with nginx 0.9.0                                         29 Nov 2010

    *) Feature: the "keepalive_disable" directive.

    *) Feature: the "map" directive supports variables as value of a 
       defined variable.

    *) Feature: the "map" directive supports empty strings as value of the 
       first parameter.

    *) Feature: the "map" directive supports expressions as the first 
       parameter.

    *) Feature: nginx(8) manual page.
       Thanks to Sergey Osokin.

    *) Feature: Linux accept4() support.
       Thanks to Simon Liu.

    *) Workaround: elimination of Linux linker warning about "sys_errlist" 
       and "sys_nerr"; the warning had appeared in 0.8.35.

    *) Bugfix: a segmentation fault might occur in a worker process, if the 
       "auth_basic" directive was used.
       Thanks to Michail Laletin.

    *) Bugfix: compatibility with ngx_http_eval_module; the bug had 
       appeared in 0.8.42.


Changes with nginx 0.8.53                                        18 Oct 2010

    *) Feature: now the "error_page" directive allows to change a status 
       code in a redirect.

    *) Feature: the "gzip_disable" directive supports special "degradation" 
       mask.

    *) Bugfix: a socket leak might occurred if file AIO was used.
       Thanks to Maxim Dounin.

    *) Bugfix: if the first server had no "listen" directive and there was 
       no explicit default server, then a next server with a "listen" 
       directive became the default server; the bug had appeared in 0.8.21.


Changes with nginx 0.8.52                                        28 Sep 2010

    *) Bugfix: nginx used SSL mode for a listen socket if any listen option 
       was set; the bug had appeared in 0.8.51.


Changes with nginx 0.8.51                                        27 Sep 2010

    *) Change: the "secure_link_expires" directive has been canceled.

    *) Change: a logging level of resolver errors has been lowered from 
       "alert" to "error".

    *) Feature: now a listen socket "ssl" parameter may be set several 
       times.


Changes with nginx 0.8.50                                        02 Sep 2010

    *) Feature: the "secure_link", "secure_link_md5", and 
       "secure_link_expires" directives of the ngx_http_secure_link_module.

    *) Feature: the -q switch.
       Thanks to Gena Makhomed.

    *) Bugfix: worker processes may got caught in an endless loop during 
       reconfiguration, if a caching was used; the bug had appeared in 
       0.8.48.

    *) Bugfix: in the "gzip_disable" directive.
       Thanks to Derrick Petzold.

    *) Bugfix: nginx/Windows could not send stop, quit, reopen, and reload 
       signals to a process run in other session.


Changes with nginx 0.8.49                                        09 Aug 2010

    *) Feature: the "image_filter_jpeg_quality" directive supports 
       variables.

    *) Bugfix: a segmentation fault might occur in a worker process, if the 
       $geoip_region_name variables was used; the bug had appeared in 
       0.8.48.

    *) Bugfix: errors intercepted by error_page were cached only for next 
       request; the bug had appeared in 0.8.48.


Changes with nginx 0.8.48                                        03 Aug 2010

    *) Change: now the "server_name" directive default value is an empty 
       name "".
       Thanks to Gena Makhomed.

    *) Change: now the "server_name_in_redirect" directive default value is 
       "off".

    *) Feature: the $geoip_dma_code, $geoip_area_code, and 
       $geoip_region_name variables.
       Thanks to Christine McGonagle.

    *) Bugfix: the "proxy_pass", "fastcgi_pass", "uwsgi_pass", and 
       "scgi_pass" directives were not inherited inside "limit_except" 
       blocks.

    *) Bugfix: the "proxy_cache_min_uses", "fastcgi_cache_min_uses" 
       "uwsgi_cache_min_uses", and "scgi_cache_min_uses" directives did not 
       work; the bug had appeared in 0.8.46.

    *) Bugfix: the "fastcgi_split_path_info" directive used incorrectly 
       captures, if only parts of an URI were captured.
       Thanks to Yuriy Taraday and Frank Enderle.

    *) Bugfix: the "rewrite" directive did not escape a ";" character 
       during copying from URI to query string.
       Thanks to Daisuke Murase.

    *) Bugfix: the ngx_http_image_filter_module closed a connection, if an 
       image was larger than "image_filter_buffer" size.


Changes with nginx 0.8.47                                        28 Jul 2010

    *) Bugfix: $request_time variable had invalid values for subrequests.

    *) Bugfix: errors intercepted by error_page could not be cached.

    *) Bugfix: a cache manager process may got caught in an endless loop, 
       if max_size parameter was used; the bug had appeared in 0.8.46.


Changes with nginx 0.8.46                                        19 Jul 2010

    *) Change: now the "proxy_no_cache", "fastcgi_no_cache", 
       "uwsgi_no_cache", and "scgi_no_cache" directives affect on a cached 
       response saving only.

    *) Feature: the "proxy_cache_bypass", "fastcgi_cache_bypass", 
       "uwsgi_cache_bypass", and "scgi_cache_bypass" directives.

    *) Bugfix: nginx did not free memory in cache keys zones if there was 
       an error during working with backend: the memory was freed only 
       after inactivity time or on memory low condition.


Changes with nginx 0.8.45                                        13 Jul 2010

    *) Feature: ngx_http_xslt_filter improvements.
       Thanks to Laurence Rowe.

    *) Bugfix: SSI response might be truncated after include with 
       wait="yes"; the bug had appeared in 0.7.25.
       Thanks to Maxim Dounin.

    *) Bugfix: the "listen" directive did not support the "setfib=0" 
       parameter.


Changes with nginx 0.8.44                                        05 Jul 2010

    *) Change: now nginx does not cache by default backend responses, if 
       they have a "Set-Cookie" header line.

    *) Feature: the "listen" directive supports the "setfib" parameter.
       Thanks to Andrew Filonov.

    *) Bugfix: the "sub_filter" directive might change character case on 
       partial match.

    *) Bugfix: compatibility with HP/UX.

    *) Bugfix: compatibility with AIX xlC_r compiler.

    *) Bugfix: nginx treated large SSLv2 packets as plain requests.
       Thanks to Miroslaw Jaworski.


Changes with nginx 0.8.43                                        30 Jun 2010

    *) Feature: large geo ranges base loading speed-up.

    *) Bugfix: an error_page redirection to "location /zero {return 204;}" 
       without changing status code kept the error body; the bug had 
       appeared in 0.8.42.

    *) Bugfix: nginx might close IPv6 listen socket during 
       reconfiguration.
       Thanks to Maxim Dounin.

    *) Bugfix: the $uid_set variable may be used at any request processing 
       stage.


Changes with nginx 0.8.42                                        21 Jun 2010

    *) Change: now nginx tests locations given by regular expressions, if 
       request was matched exactly by a location given by a prefix string. 
       The previous behavior has been introduced in 0.7.1.

    *) Feature: the ngx_http_scgi_module.
       Thanks to Manlio Perillo.

    *) Feature: a text answer may be added to a "return" directive.


Changes with nginx 0.8.41                                        15 Jun 2010

    *) Security: nginx/Windows worker might be terminated abnormally if a 
       requested file name has invalid UTF-8 encoding.

    *) Change: now nginx allows to use spaces in a request line.

    *) Bugfix: the "proxy_redirect" directive changed incorrectly a backend 
       "Refresh" response header line.
       Thanks to Andrey Andreew and Max Sogin.

    *) Bugfix: nginx did not support path without host name in 
       "Destination" request header line.


Changes with nginx 0.8.40                                        07 Jun 2010

    *) Security: now nginx/Windows ignores default file stream name.
       Thanks to Jose Antonio Vazquez Gonzalez.

    *) Feature: the ngx_http_uwsgi_module.
       Thanks to Roberto De Ioris.

    *) Feature: a "fastcgi_param" directive with value starting with 
       "HTTP_" overrides a client request header line.

    *) Bugfix: the "If-Modified-Since", "If-Range", etc. client request 
       header lines were passed to FastCGI-server while caching.

    *) Bugfix: listen unix domain socket could not be changed during 
       reconfiguration.
       Thanks to Maxim Dounin.


Changes with nginx 0.8.39                                        31 May 2010

    *) Bugfix: an inherited "alias" directive worked incorrectly in 
       inclusive location.

    *) Bugfix: in "alias" with variables and "try_files" directives 
       combination.

    *) Bugfix: listen unix domain and IPv6 sockets did not inherit while 
       online upgrade.
       Thanks to Maxim Dounin.


Changes with nginx 0.8.38                                        24 May 2010

    *) Feature: the "proxy_no_cache" and "fastcgi_no_cache" directives.

    *) Feature: now the "rewrite" directive does a redirect automatically 
       if the $scheme variable is used.
       Thanks to Piotr Sikora.

    *) Bugfix: now "limit_req" delay directive conforms to the described 
       algorithm.
       Thanks to Maxim Dounin.

    *) Bugfix: the $uid_got variable might not be used in the SSI and perl 
       modules.


Changes with nginx 0.8.37                                        17 May 2010

    *) Feature: the ngx_http_split_clients_module.

    *) Feature: the "map" directive supports keys more than 255 characters.

    *) Bugfix: nginx ignored the "private" and "no-store" values in the 
       "Cache-Control" backend response header line.

    *) Bugfix: a "stub" parameter of an "include" SSI directive was not 
       used, if empty response has 200 status code.

    *) Bugfix: if a proxied or FastCGI request was internally redirected to 
       another proxied or FastCGI location, then a segmentation fault might 
       occur in a worker process; the bug had appeared in 0.8.33.
       Thanks to Yichun Zhang.

    *) Bugfix: IMAP connections may hang until they timed out while talking 
       to Zimbra server.
       Thanks to Alan Batie.


Changes with nginx 0.8.36                                        22 Apr 2010

    *) Bugfix: the ngx_http_dav_module handled incorrectly the DELETE, 
       COPY, and MOVE methods for symlinks.

    *) Bugfix: values of the $query_string, $arg_..., etc. variables cached 
       in main request were used by the SSI module in subrequests.

    *) Bugfix: a variable value was repeatedly encoded after each an "echo" 
       SSI-command output; the bug had appeared in 0.6.14.

    *) Bugfix: a worker process hung if a FIFO file was requested.
       Thanks to Vicente Aguilar and Maxim Dounin.

    *) Bugfix: OpenSSL-1.0.0 compatibility on 64-bit Linux.
       Thanks to Maxim Dounin.

    *) Bugfix: nginx could not be built --without-http-cache; the bug had 
       appeared in 0.8.35.


Changes with nginx 0.8.35                                        01 Apr 2010

    *) Change: now the charset filter runs before the SSI filter.

    *) Feature: the "chunked_transfer_encoding" directive.

    *) Bugfix: an "&" character was not escaped when it was copied in 
       arguments part in a rewrite rule.

    *) Bugfix: nginx might be terminated abnormally while a signal 
       processing or if the directive "timer_resolution" was used on 
       platforms which do not support kqueue or eventport notification 
       methods.
       Thanks to George Xie and Maxim Dounin.

    *) Bugfix: if temporary files and permanent storage area resided at 
       different file systems, then permanent file modification times were 
       incorrect.
       Thanks to Maxim Dounin.

    *) Bugfix: ngx_http_memcached_module might issue the error message 
       "memcached sent invalid trailer".
       Thanks to Maxim Dounin.

    *) Bugfix: nginx could not built zlib-1.2.4 library using the library 
       sources.
       Thanks to Maxim Dounin.

    *) Bugfix: a segmentation fault occurred in a worker process, if there 
       was large stderr output before FastCGI response; the bug had 
       appeared in 0.8.34.
       Thanks to Maxim Dounin.


Changes with nginx 0.8.34                                        03 Mar 2010

    *) Bugfix: nginx did not support all ciphers and digests used in client 
       certificates.
       Thanks to Innocenty Enikeew.

    *) Bugfix: nginx cached incorrectly FastCGI responses if there was 
       large stderr output before response.

    *) Bugfix: nginx did not support HTTPS referrers.

    *) Bugfix: nginx/Windows might not find file if path in configuration 
       was given in other character case; the bug had appeared in 0.8.33.

    *) Bugfix: the $date_local variable has an incorrect value, if the "%s" 
       format was used.
       Thanks to Maxim Dounin.

    *) Bugfix: if ssl_session_cache was not set or was set to "none", then 
       during client certificate verify the error "session id context 
       uninitialized" might occur; the bug had appeared in 0.7.1.

    *) Bugfix: a geo range returned default value if the range included two 
       or more /16 networks and did not begin at /16 network boundary.

    *) Bugfix: a block used in a "stub" parameter of an "include" SSI 
       directive was output with "text/plain" MIME type.

    *) Bugfix: $r->sleep() did not work; the bug had appeared in 0.8.11.


Changes with nginx 0.8.33                                        01 Feb 2010

    *) Security: now nginx/Windows ignores trailing spaces in URI.
       Thanks to Dan Crowley, Core Security Technologies.

    *) Security: now nginx/Windows ignores short files names.
       Thanks to Dan Crowley, Core Security Technologies.

    *) Change: now keepalive connections after POST requests are not 
       disabled for MSIE 7.0+.
       Thanks to Adam Lounds.

    *) Workaround: now keepalive connections are disabled for Safari.
       Thanks to Joshua Sierles.

    *) Bugfix: if a proxied or FastCGI request was internally redirected to 
       another proxied or FastCGI location, then $upstream_response_time 
       variable may have abnormally large value; the bug had appeared in 
       0.8.7.

    *) Bugfix: a segmentation fault might occur in a worker process, while 
       discarding a request body; the bug had appeared in 0.8.11.


Changes with nginx 0.8.32                                        11 Jan 2010

    *) Bugfix: UTF-8 encoding usage in the ngx_http_autoindex_module.
       Thanks to Maxim Dounin.

    *) Bugfix: regular expression named captures worked for two names only. 
       Thanks to Maxim Dounin.

    *) Bugfix: now the "localhost" name is used in the "Host" request 
       header line, if an unix domain socket is defined in the "auth_http" 
       directive.
       Thanks to Maxim Dounin.

    *) Bugfix: nginx did not support chunked transfer encoding for 201 
       responses.
       Thanks to Julian Reich.

    *) Bugfix: if the "expires modified" set date in the past, then a 
       negative number was set in the "Cache-Control" response header line. 
       Thanks to Alex Kapranoff.


Changes with nginx 0.8.31                                        23 Dec 2009

    *) Feature: now the "error_page" directive may redirect the 301 and 302 
       responses.

    *) Feature: the $geoip_city_continent_code, $geoip_latitude, and 
       $geoip_longitude variables.
       Thanks to Arvind Sundararajan.

    *) Feature: now the ngx_http_image_filter_module deletes always EXIF 
       and other application specific data if the data consume more than 5% 
       of a JPEG file.

    *) Bugfix: nginx closed a connection if a cached response had an empty 
       body.
       Thanks to Piotr Sikora.

    *) Bugfix: nginx might not be built by gcc 4.x if the -O2 or higher 
       optimization option was used.
       Thanks to Maxim Dounin and Denis F. Latypoff.

    *) Bugfix: regular expressions in location were always tested in 
       case-sensitive mode; the bug had appeared in 0.8.25.

    *) Bugfix: nginx cached a 304 response if there was the "If-None-Match" 
       header line in a proxied request.
       Thanks to Tim Dettrick and David Kostal.

    *) Bugfix: nginx/Windows tried to delete a temporary file twice if the 
       file should replace an already existent file.


Changes with nginx 0.8.30                                        15 Dec 2009

    *) Change: now the default buffer size of the 
       "large_client_header_buffers" directive is 8K.
       Thanks to Andrew Cholakian.

    *) Feature: the conf/fastcgi.conf for simple FastCGI configurations.

    *) Bugfix: nginx/Windows tried to rename a temporary file twice if the 
       file should replace an already existent file.

    *) Bugfix: of "double free or corruption" error issued if host could 
       not be resolved; the bug had appeared in 0.8.22.
       Thanks to Konstantin Svist.

    *) Bugfix: in libatomic usage on some platforms.
       Thanks to W-Mark Kubacki.


Changes with nginx 0.8.29                                        30 Nov 2009

    *) Change: now the "009" status code is written to an access log for 
       proxied HTTP/0.9 responses.

    *) Feature: the "addition_types", "charset_types", "gzip_types", 
       "ssi_types", "sub_filter_types", and "xslt_types" directives support 
       an "*" parameter.

    *) Feature: GCC 4.1+ built-in atomic operations usage.
       Thanks to W-Mark Kubacki.

    *) Feature: the --with-libatomic[=DIR] option in the configure.
       Thanks to W-Mark Kubacki.

    *) Bugfix: listen unix domain socket had limited access rights.

    *) Bugfix: cached HTTP/0.9 responses were handled incorrectly.

    *) Bugfix: regular expression named captures given by "?P<...>" did not 
       work in a "server_name" directive.
       Thanks to Maxim Dounin.


Changes with nginx 0.8.28                                        23 Nov 2009

    *) Bugfix: nginx could not be built with the --without-pcre parameter; 
       the bug had appeared in 0.8.25.


Changes with nginx 0.8.27                                        17 Nov 2009

    *) Bugfix: regular expressions did not work in nginx/Windows; the bug 
       had appeared in 0.8.25.


Changes with nginx 0.8.26                                        16 Nov 2009

    *) Bugfix: in captures usage in "rewrite" directive; the bug had 
       appeared in 0.8.25.

    *) Bugfix: nginx could not be built without the --with-debug option; 
       the bug had appeared in 0.8.25.


Changes with nginx 0.8.25                                        16 Nov 2009

    *) Change: now no message is written in an error log if a variable is 
       not found by $r->variable() method.

    *) Feature: the ngx_http_degradation_module.

    *) Feature: regular expression named captures.

    *) Feature: now URI part is not required a "proxy_pass" directive if 
       variables are used.

    *) Feature: now the "msie_padding" directive works for Chrome too.

    *) Bugfix: a segmentation fault occurred in a worker process on low 
       memory condition; the bug had appeared in 0.8.18.

    *) Bugfix: nginx sent gzipped responses to clients those do not support 
       gzip, if "gzip_static on" and "gzip_vary off"; the bug had appeared 
       in 0.8.16.


Changes with nginx 0.8.24                                        11 Nov 2009

    *) Bugfix: nginx always added "Content-Encoding: gzip" response header 
       line in 304 responses sent by ngx_http_gzip_static_module.

    *) Bugfix: nginx could not be built without the --with-debug option; 
       the bug had appeared in 0.8.23.

    *) Bugfix: the "unix:" parameter of the "set_real_ip_from" directive 
       inherited incorrectly from previous level.

    *) Bugfix: in resolving empty name.


Changes with nginx 0.8.23                                        11 Nov 2009

    *) Security: now SSL/TLS renegotiation is disabled.
       Thanks to Maxim Dounin.

    *) Bugfix: listen unix domain socket did not inherit while online 
       upgrade.

    *) Bugfix: the "unix:" parameter of the "set_real_ip_from" directive 
       did not without yet another directive with any IP address.

    *) Bugfix: segmentation fault and infinite looping in resolver.

    *) Bugfix: in resolver.
       Thanks to Artem Bokhan.


Changes with nginx 0.8.22                                        03 Nov 2009

    *) Feature: the "proxy_bind", "fastcgi_bind", and "memcached_bind" 
       directives.

    *) Feature: the "access" and the "deny" directives support IPv6.

    *) Feature: the "set_real_ip_from" directive supports IPv6 addresses in 
       request headers.

    *) Feature: the "unix:" parameter of the "set_real_ip_from" directive.

    *) Bugfix: nginx did not delete unix domain socket after configuration 
       testing.

    *) Bugfix: nginx deleted unix domain socket while online upgrade.

    *) Bugfix: the "!-x" operator did not work.
       Thanks to Maxim Dounin.

    *) Bugfix: a segmentation fault might occur in a worker process, if 
       limit_rate was used in HTTPS server.
       Thanks to Maxim Dounin.

    *) Bugfix: a segmentation fault might occur in a worker process while 
       $limit_rate logging.
       Thanks to Maxim Dounin.

    *) Bugfix: a segmentation fault might occur in a worker process, if 
       there was no "listen" directive in "server" block; the bug had 
       appeared in 0.8.21.


Changes with nginx 0.8.21                                        26 Oct 2009

    *) Feature: now the "-V" switch shows TLS SNI support.

    *) Feature: the "listen" directive of the HTTP module supports unix 
       domain sockets.
       Thanks to Hongli Lai.

    *) Feature: the "default_server" parameter of the "listen" directive.

    *) Feature: now a "default" parameter is not required to set listen 
       socket options.

    *) Bugfix: nginx did not support dates in 2038 year on 32-bit platforms;

    *) Bugfix: socket leak; the bug had appeared in 0.8.11.


Changes with nginx 0.8.20                                        14 Oct 2009

    *) Change: now default SSL ciphers are "HIGH:!ADH:!MD5".

    *) Bugfix: the ngx_http_autoindex_module did not show the trailing 
       slash in links to a directory; the bug had appeared in 0.7.15.

    *) Bugfix: nginx did not close a log file set by the --error-log-path 
       configuration option; the bug had appeared in 0.7.53.

    *) Bugfix: nginx did not treat a comma as separator in the 
       "Cache-Control" backend response header line.

    *) Bugfix: nginx/Windows might not create temporary file, a cache file, 
       or "proxy/fastcgi_store"d file if a worker had no enough access 
       rights for top level directories.

    *) Bugfix: the "Set-Cookie" and "P3P" FastCGI response header lines 
       were not hidden while caching if no "fastcgi_hide_header" directives 
       were used with any parameters.

    *) Bugfix: nginx counted incorrectly disk cache size.


Changes with nginx 0.8.19                                        06 Oct 2009

    *) Change: now SSLv2 protocol is disabled by default.

    *) Change: now default SSL ciphers are "ALL:!ADH:RC4+RSA:+HIGH:+MEDIUM".

    *) Bugfix: a "limit_req" directive did not work; the bug had appeared 
       in 0.8.18.


Changes with nginx 0.8.18                                        06 Oct 2009

    *) Feature: the "read_ahead" directive.

    *) Feature: now several "perl_modules" directives may be used.

    *) Feature: the "limit_req_log_level" and "limit_conn_log_level" 
       directives.

    *) Bugfix: now "limit_req" directive conforms to the leaky bucket 
       algorithm.
       Thanks to Maxim Dounin.

    *) Bugfix: nginx did not work on Linux/sparc.
       Thanks to Marcus Ramberg.

    *) Bugfix: nginx sent '\0' in a "Location" response header line on 
       MKCOL request.
       Thanks to Xie Zhenye.

    *) Bugfix: zero status code was logged instead of 499 status code; the 
       bug had appeared in 0.8.11.

    *) Bugfix: socket leak; the bug had appeared in 0.8.11.


Changes with nginx 0.8.17                                        28 Sep 2009

    *) Security: now "/../" are disabled in "Destination" request header 
       line.

    *) Change: now $host variable value is always low case.

    *) Feature: the $ssl_session_id variable.

    *) Bugfix: socket leak; the bug had appeared in 0.8.11.


Changes with nginx 0.8.16                                        22 Sep 2009

    *) Feature: the "image_filter_transparency" directive.

    *) Bugfix: "addition_types" directive was incorrectly named 
       "addtion_types".

    *) Bugfix: resolver cache poisoning.
       Thanks to Matthew Dempsky.

    *) Bugfix: memory leak in resolver.
       Thanks to Matthew Dempsky.

    *) Bugfix: invalid request line in $request variable was written in 
       access_log only if error_log was set to "info" or "debug" level.

    *) Bugfix: in PNG alpha-channel support in the 
       ngx_http_image_filter_module.

    *) Bugfix: nginx always added "Vary: Accept-Encoding" response header 
       line, if both "gzip_static" and "gzip_vary" were on.

    *) Bugfix: in UTF-8 encoding support by "try_files" directive in 
       nginx/Windows.

    *) Bugfix: in "post_action" directive usage; the bug had appeared in 
       0.8.11.
       Thanks to Igor Artemiev.


Changes with nginx 0.8.15                                        14 Sep 2009

    *) Security: a segmentation fault might occur in worker process while 
       specially crafted request handling.
       Thanks to Chris Ries.

    *) Bugfix: if names .domain.tld, .sub.domain.tld, and .domain-some.tld 
       were defined, then the name .sub.domain.tld was matched by 
       .domain.tld.

    *) Bugfix: in transparency support in the ngx_http_image_filter_module.

    *) Bugfix: in file AIO.

    *) Bugfix: in X-Accel-Redirect usage; the bug had appeared in 0.8.11.

    *) Bugfix: in embedded perl module; the bug had appeared in 0.8.11.


Changes with nginx 0.8.14                                        07 Sep 2009

    *) Bugfix: an expired cached response might stick in the "UPDATING" 
       state.

    *) Bugfix: a segmentation fault might occur in worker process, if 
       error_log was set to info or debug level.
       Thanks to Sergey Bochenkov.

    *) Bugfix: in embedded perl module; the bug had appeared in 0.8.11.

    *) Bugfix: an "error_page" directive did not redirect a 413 error; the 
       bug had appeared in 0.6.10.


Changes with nginx 0.8.13                                        31 Aug 2009

    *) Bugfix: in the "aio sendfile" directive; the bug had appeared in 
       0.8.12.

    *) Bugfix: nginx could not be built without the --with-file-aio option 
       on FreeBSD; the bug had appeared in 0.8.12.


Changes with nginx 0.8.12                                        31 Aug 2009

    *) Feature: the "sendfile" parameter in the "aio" directive on FreeBSD.

    *) Bugfix: in try_files; the bug had appeared in 0.8.11.

    *) Bugfix: in memcached; the bug had appeared in 0.8.11.


Changes with nginx 0.8.11                                        28 Aug 2009

    *) Change: now directive "gzip_disable msie6" does not disable gzipping 
       for MSIE 6.0 SV1.

    *) Feature: file AIO support on FreeBSD and Linux.

    *) Feature: the "directio_alignment" directive.


Changes with nginx 0.8.10                                        24 Aug 2009

    *) Bugfix: memory leaks if GeoIP City database was used.

    *) Bugfix: in copying temporary files to permanent storage area; the 
       bug had appeared in 0.8.9.


Changes with nginx 0.8.9                                         17 Aug 2009

    *) Feature: now the start cache loader runs in a separate process; this 
       should improve large caches handling.

    *) Feature: now temporary files and permanent storage area may reside 
       at different file systems.


Changes with nginx 0.8.8                                         10 Aug 2009

    *) Bugfix: in handling FastCGI headers split in records.

    *) Bugfix: a segmentation fault occurred in worker process, if a 
       request was handled in two proxied or FastCGIed locations and a 
       caching was enabled in the first location; the bug had appeared in 
       0.8.7.


Changes with nginx 0.8.7                                         27 Jul 2009

    *) Change: minimum supported OpenSSL version is 0.9.7.

    *) Change: the "ask" parameter of the "ssl_verify_client" directive was 
       changed to the "optional" parameter and now it checks a client 
       certificate if it was offered.
       Thanks to Brice Figureau.

    *) Feature: the $ssl_client_verify variable.
       Thanks to Brice Figureau.

    *) Feature: the "ssl_crl" directive.
       Thanks to Brice Figureau.

    *) Feature: the "proxy" parameter of the "geo" directive.

    *) Feature: the "image_filter" directive supports variables for setting 
       size.

    *) Bugfix: the $ssl_client_cert variable usage corrupted memory; the 
       bug had appeared in 0.7.7.
       Thanks to Sergey Zhuravlev.

    *) Bugfix: "proxy_pass_header" and "fastcgi_pass_header" directives did 
       not pass to a client the "X-Accel-Redirect", "X-Accel-Limit-Rate", 
       "X-Accel-Buffering", and "X-Accel-Charset" lines from backend 
       response header.
       Thanks to Maxim Dounin.

    *) Bugfix: in handling "Last-Modified" and "Accept-Ranges" backend 
       response header lines; the bug had appeared in 0.7.44.
       Thanks to Maxim Dounin.

    *) Bugfix: the "[alert] zero size buf" error if subrequest returns an 
       empty response; the bug had appeared in 0.8.5.


Changes with nginx 0.8.6                                         20 Jul 2009

    *) Feature: the ngx_http_geoip_module.

    *) Bugfix: XSLT filter may fail with message "not well formed XML 
       document" for valid XML document.
       Thanks to Kuramoto Eiji.

    *) Bugfix: now in MacOSX, Cygwin, and nginx/Windows locations given by 
       a regular expression are always tested in case insensitive mode.

    *) Bugfix: now nginx/Windows ignores trailing dots in URI.
       Thanks to Hugo Leisink.

    *) Bugfix: name of file specified in --conf-path was not honored during 
       installation; the bug had appeared in 0.6.6.
       Thanks to Maxim Dounin.


Changes with nginx 0.8.5                                         13 Jul 2009

    *) Bugfix: now nginx allows underscores in a request method.

    *) Bugfix: a 500 error code was returned for invalid login/password 
       while HTTP Basic authentication on Windows.

    *) Bugfix: ngx_http_perl_module responses did not work in subrequests.

    *) Bugfix: in ngx_http_limit_req_module.
       Thanks to Maxim Dounin.


Changes with nginx 0.8.4                                         22 Jun 2009

    *) Bugfix: nginx could not be built --without-http-cache; the bug had 
       appeared in 0.8.3.


Changes with nginx 0.8.3                                         19 Jun 2009

    *) Feature: the $upstream_cache_status variable.

    *) Bugfix: nginx could not be built on MacOSX 10.6.

    *) Bugfix: nginx could not be built --without-http-cache; the bug had 
       appeared in 0.8.2.

    *) Bugfix: a segmentation fault occurred in worker process, if a 
       backend 401 error was intercepted and the backend did not set the 
       "WWW-Authenticate" response header line.
       Thanks to Eugene Mychlo.


Changes with nginx 0.8.2                                         15 Jun 2009

    *) Bugfix: in open_file_cache and proxy/fastcgi cache interaction on 
       start up.

    *) Bugfix: open_file_cache might cache open file descriptors too long; 
       the bug had appeared in 0.7.4.


Changes with nginx 0.8.1                                         08 Jun 2009

    *) Feature: the "updating" parameter in "proxy_cache_use_stale" and 
       "fastcgi_cache_use_stale" directives.

    *) Bugfix: the "If-Modified-Since", "If-Range", etc. client request 
       header lines were passed to backend while caching if no 
       "proxy_set_header" directive was used with any parameters.

    *) Bugfix: the "Set-Cookie" and "P3P" response header lines were not 
       hidden while caching if no "proxy_hide_header/fastcgi_hide_header" 
       directives were used with any parameters.

    *) Bugfix: the ngx_http_image_filter_module did not support GIF87a 
       format.
       Thanks to Denis Ilyinyh.

    *) Bugfix: nginx could not be built modules on Solaris 10 and early; 
       the bug had appeared in 0.7.56.


Changes with nginx 0.8.0                                         02 Jun 2009

    *) Feature: the "keepalive_requests" directive.

    *) Feature: the "limit_rate_after" directive.
       Thanks to Ivan Debnar.

    *) Bugfix: XLST filter did not work in subrequests.

    *) Bugfix: in relative paths handling in nginx/Windows.

    *) Bugfix: in proxy_store, fastcgi_store, proxy_cache, and 
       fastcgi_cache in nginx/Windows.

    *) Bugfix: in memory allocation error handling.
       Thanks to Maxim Dounin and Kirill A. Korinskiy.


Changes with nginx 0.7.59                                        25 May 2009

    *) Feature: the "proxy_cache_methods" and "fastcgi_cache_methods" 
       directives.

    *) Bugfix: socket leak; the bug had appeared in 0.7.25.
       Thanks to Maxim Dounin.

    *) Bugfix: a segmentation fault occurred in worker process, 
       if a request had no body and the $request_body variable was used;
       the bug had appeared in 0.7.58.

    *) Bugfix: the SSL modules might not built on Solaris and Linux;
       the bug had appeared in 0.7.56.

    *) Bugfix: ngx_http_xslt_filter_module responses were not handled by 
       SSI, charset, and gzip filters.

    *) Bugfix: a "charset" directive did not set a charset to 
       ngx_http_gzip_static_module responses.


Changes with nginx 0.7.58                                        18 May 2009

    *) Feature: a "listen" directive of the mail proxy module supports IPv6.

    *) Feature: the "image_filter_jpeg_quality" directive.

    *) Feature: the "client_body_in_single_buffer" directive.

    *) Feature: the $request_body variable.

    *) Bugfix: in ngx_http_autoindex_module in file name links having a ":" 
       symbol in the name.

    *) Bugfix: "make upgrade" procedure did not work; the bug had appeared 
       in 0.7.53.
       Thanks to Denis F. Latypoff.


Changes with nginx 0.7.57                                        12 May 2009

    *) Bugfix: a floating-point fault occurred in worker process, if the 
       ngx_http_image_filter_module errors were redirected to named 
       location; the bug had appeared in 0.7.56.


Changes with nginx 0.7.56                                        11 May 2009

    *) Feature: nginx/Windows supports IPv6 in a "listen" directive of the 
       HTTP module.

    *) Bugfix: in ngx_http_image_filter_module.


Changes with nginx 0.7.55                                        06 May 2009

    *) Bugfix: the http_XXX parameters in "proxy_cache_use_stale" and 
       "fastcgi_cache_use_stale" directives did not work.

    *) Bugfix: fastcgi cache did not cache header only responses.

    *) Bugfix: of "select() failed (9: Bad file descriptor)" error in 
       nginx/Unix and "select() failed (10038: ...)" error in nginx/Windows.

    *) Bugfix: a segmentation fault might occur in worker process, if an 
       "debug_connection" directive was used; the bug had appeared in 
       0.7.54.

    *) Bugfix: fix ngx_http_image_filter_module building errors.

    *) Bugfix: the files bigger than 2G could not be transferred using 
       $r->sendfile.
       Thanks to Maxim Dounin.


Changes with nginx 0.7.54                                        01 May 2009

    *) Feature: the ngx_http_image_filter_module.

    *) Feature: the "proxy_ignore_headers" and "fastcgi_ignore_headers" 
       directives.

    *) Bugfix: a segmentation fault might occur in worker process, if an 
       "open_file_cache_errors off" directive was used; the bug had 
       appeared in 0.7.53.

    *) Bugfix: the "port_in_redirect off" directive did not work; the bug 
       had appeared in 0.7.39.

    *) Bugfix: improve handling of "select" method errors.

    *) Bugfix: of "select() failed (10022: ...)" error in nginx/Windows.

    *) Bugfix: in error text descriptions in nginx/Windows; the bug had 
       appeared in 0.7.53.


Changes with nginx 0.7.53                                        27 Apr 2009

    *) Change: now a log set by --error-log-path is created from the very 
       start-up.

    *) Feature: now the start up errors and warnings are outputted to an 
       error_log and stderr.

    *) Feature: the empty --prefix= configure parameter forces nginx to use 
       a directory where it was run as prefix.

    *) Feature: the -p switch.

    *) Feature: the -s switch on Unix platforms.

    *) Feature: the -? and -h switches.
       Thanks to Jerome Loyet.

    *) Feature: now switches may be set in condensed form.

    *) Bugfix: nginx/Windows did not work if configuration file was given 
       by the -c switch.

    *) Bugfix: temporary files might be not removed if the "proxy_store", 
       "fastcgi_store", "proxy_cache", or "fastcgi_cache" were used.
       Thanks to Maxim Dounin.

    *) Bugfix: an incorrect value was passed to mail proxy authentication 
       server in "Auth-Method" header line; the bug had appeared
       in 0.7.34.
       Thanks to Simon Lecaille.

    *) Bugfix: system error text descriptions were not logged on Linux;
       the bug had appeared in 0.7.45.

    *) Bugfix: the "fastcgi_cache_min_uses" directive did not work.
       Thanks to Andrew Vorobyoff.


Changes with nginx 0.7.52                                        20 Apr 2009

    *) Feature: the first native Windows binary release.

    *) Bugfix: in processing HEAD method while caching.

    *) Bugfix: in processing the "If-Modified-Since", "If-Range", etc. 
       client request header lines while caching.

    *) Bugfix: now the "Set-Cookie" and "P3P" header lines are hidden in 
       cacheable responses.

    *) Bugfix: if nginx was built with the ngx_http_perl_module and with a 
       perl which supports threads, then during a master process exit the 
       message "panic: MUTEX_LOCK" might be issued.

    *) Bugfix: nginx could not be built --without-http-cache; the bug had 
       appeared in 0.7.48.

    *) Bugfix: nginx could not be built on platforms different from i386, 
       amd64, sparc, and ppc; the bug had appeared in 0.7.42.


Changes with nginx 0.7.51                                        12 Apr 2009

    *) Feature: the "try_files" directive supports a response code in the 
       fallback parameter.

    *) Feature: now any response code can be used in the "return" directive.

    *) Bugfix: the "error_page" directive made an external redirect without 
       query string; the bug had appeared in 0.7.44.

    *) Bugfix: if servers listened on several defined explicitly addresses, 
       then virtual servers might not work; the bug had appeared in 0.7.39.


Changes with nginx 0.7.50                                        06 Apr 2009

    *) Bugfix: the $arg_... variables did not work; the bug had appeared in 
       0.7.49.


Changes with nginx 0.7.49                                        06 Apr 2009

    *) Bugfix: a segmentation fault might occur in worker process, if the 
       $arg_... variables were used; the bug had appeared in 0.7.48.


Changes with nginx 0.7.48                                        06 Apr 2009

    *) Feature: the "proxy_cache_key" directive.

    *) Bugfix: now nginx takes into account the "X-Accel-Expires", 
       "Expires", and "Cache-Control" header lines in a backend response.

    *) Bugfix: now nginx caches responses for the GET requests only.

    *) Bugfix: the "fastcgi_cache_key" directive was not inherited.

    *) Bugfix: the $arg_... variables did not work with SSI subrequests.
       Thanks to Maxim Dounin.

    *) Bugfix: nginx could not be built with uclibc library.
       Thanks to Timothy Redaelli.

    *) Bugfix: nginx could not be built on OpenBSD; the bug had 
       appeared in 0.7.46.


Changes with nginx 0.7.47                                        01 Apr 2009

    *) Bugfix: nginx could not be built on FreeBSD 6 and early versions; 
       the bug had appeared in 0.7.46.

    *) Bugfix: nginx could not be built on MacOSX; the bug had 
       appeared in 0.7.46.

    *) Bugfix: if the "max_size" parameter was set, then the cache manager 
       might purge a whole cache; the bug had appeared in 0.7.46.

    *) Change: a segmentation fault might occur in worker process, if the 
       "proxy_cache"/"fastcgi_cache" and the "proxy_cache_valid"/ 
       "fastcgi_cache_valid" were set on different levels; the bug had 
       appeared in 0.7.46.

    *) Bugfix: a segmentation fault might occur in worker process, if a 
       request was redirected to a proxied or FastCGI server via error_page 
       or try_files; the bug had appeared in 0.7.44.


Changes with nginx 0.7.46                                        30 Mar 2009

    *) Bugfix: the previous release tarball was incorrect.


Changes with nginx 0.7.45                                        30 Mar 2009

    *) Change: now the "proxy_cache" and the "proxy_cache_valid" directives 
       can be set on different levels.

    *) Change: the "clean_time" parameter of the "proxy_cache_path" 
       directive is canceled.

    *) Feature: the "max_size" parameter of the "proxy_cache_path" 
       directive.

    *) Feature: the ngx_http_fastcgi_module preliminary cache support.

    *) Feature: now on shared memory allocation errors directive and zone 
       names are logged.

    *) Bugfix: the directive "add_header last-modified ''" did not delete a 
       "Last-Modified" response header line; the bug had appeared in 0.7.44.

    *) Bugfix: a relative path in the "auth_basic_user_file" directive 
       given without variables did not work; the bug had appeared in 
       0.7.44.
       Thanks to Jerome Loyet.

    *) Bugfix: in an "alias" directive given using variables without 
       references to captures of regular expressions; the bug had appeared 
       in 0.7.42.


Changes with nginx 0.7.44                                        23 Mar 2009

    *) Feature: the ngx_http_proxy_module preliminary cache support.

    *) Feature: the --with-pcre option in the configure.

    *) Feature: the "try_files" directive is now allowed on the server 
       block level.

    *) Bugfix: the "try_files" directive handled incorrectly a query string 
       in a fallback parameter.

    *) Bugfix: the "try_files" directive might test incorrectly directories.

    *) Bugfix: if there was a single server for given address:port pair, 
       then captures in regular expressions in a "server_name" directive 
       did not work.


Changes with nginx 0.7.43                                        18 Mar 2009

    *) Bugfix: a request was handled incorrectly, if a "root" directive 
       used variables; the bug had appeared in 0.7.42.

    *) Bugfix: if a server listened on wildcard address, then the 
       $server_addr variable value was "0.0.0.0"; the bug had appeared in 
       0.7.36.


Changes with nginx 0.7.42                                        16 Mar 2009

    *) Change: now the "Invalid argument" error returned by 
       setsockopt(TCP_NODELAY) on Solaris, is ignored.

    *) Change: now if a file specified in a "auth_basic_user_file" 
       directive is absent, then the 403 error is returned instead of the 
       500 one.

    *) Feature: the "auth_basic_user_file" directive supports variables.
       Thanks to Kirill A. Korinskiy.

    *) Feature: the "listen" directive supports the "ipv6only" parameter. 
       Thanks to Zhang Hua.

    *) Bugfix: in an "alias" directive with references to captures of 
       regular expressions; the bug had appeared in 0.7.40.

    *) Bugfix: compatibility with Tru64 UNIX.
       Thanks to Dustin Marquess.

    *) Bugfix: nginx could not be built without PCRE library; the bug had 
       appeared in 0.7.41.


Changes with nginx 0.7.41                                        11 Mar 2009

    *) Bugfix: a segmentation fault might occur in worker process, if a 
       "server_name" or a "location" directives had captures in regular 
       expressions; the issue had appeared in 0.7.40.
       Thanks to Vladimir Sopot.


Changes with nginx 0.7.40                                        09 Mar 2009

    *) Feature: the "location" directive supports captures in regular 
       expressions.

    *) Feature: an "alias" directive with capture references may be used 
       inside a location given by a regular expression with captures.

    *) Feature: the "server_name" directive supports captures in regular 
       expressions.

    *) Workaround: the ngx_http_autoindex_module did not show the trailing 
       slash in directories on XFS filesystem; the issue had appeared in 
       0.7.15.
       Thanks to Dmitry Kuzmenko.


Changes with nginx 0.7.39                                        02 Mar 2009

    *) Bugfix: large response with SSI might hang, if gzipping was enabled; 
       the bug had appeared in 0.7.28.
       Thanks to Artem Bokhan.

    *) Bugfix: a segmentation fault might occur in worker process, if short 
       static variants are used in a "try_files" directive.


Changes with nginx 0.7.38                                        23 Feb 2009

    *) Feature: authentication failures logging.

    *) Bugfix: name/password in auth_basic_user_file were ignored after odd 
       number of empty lines.
       Thanks to Alexander Zagrebin.

    *) Bugfix: a segmentation fault occurred in a master process, if long 
       path was used in unix domain socket; the bug had appeared in 0.7.36.


Changes with nginx 0.7.37                                        21 Feb 2009

    *) Bugfix: directives using upstreams did not work; the bug had 
       appeared in 0.7.36.


Changes with nginx 0.7.36                                        21 Feb 2009

    *) Feature: a preliminary IPv6 support; the "listen" directive of the 
       HTTP module supports IPv6.

    *) Bugfix: the $ancient_browser variable did not work for browsers 
       preset by a "modern_browser" directives.


Changes with nginx 0.7.35                                        16 Feb 2009

    *) Bugfix: a "ssl_engine" directive did not use a SSL-accelerator for 
       asymmetric ciphers.
       Thanks to Marcin Gozdalik.

    *) Bugfix: a "try_files" directive set MIME type depending on an 
       original request extension.

    *) Bugfix: "*domain.tld" names were handled incorrectly in 
       "server_name", "valid_referers", and "map" directives, if 
       ".domain.tld" and ".subdomain.domain.tld" wildcards were used; 
       the bug had appeared in 0.7.9.


Changes with nginx 0.7.34                                        10 Feb 2009

    *) Feature: the "off" parameter of the "if_modified_since" directive.

    *) Feature: now nginx sends an HELO/EHLO command after a XCLIENT 
       command.
       Thanks to Maxim Dounin.

    *) Feature: Microsoft specific "AUTH LOGIN with User Name" mode support 
       in mail proxy server.
       Thanks to Maxim Dounin.

    *) Bugfix: in a redirect rewrite directive original arguments were 
       concatenated with new arguments by a "?" rather than an "&";
       the bug had appeared in 0.1.18.
       Thanks to Maxim Dounin.

    *) Bugfix: nginx could not be built on AIX.


Changes with nginx 0.7.33                                        02 Feb 2009

    *) Bugfix: a double response might be returned if the epoll or rtsig 
       methods are used and a redirect was returned to a request with 
       body.
       Thanks to Eden Li.

    *) Bugfix: the $sent_http_location variable was empty for some 
       redirects types.

    *) Bugfix: a segmentation fault might occur in worker process if 
       "resolver" directive was used in SMTP proxy.


Changes with nginx 0.7.32                                        26 Jan 2009

    *) Feature: now a directory existence testing can be set explicitly in 
       the "try_files" directive.

    *) Bugfix: fastcgi_store stored files not always.

    *) Bugfix: in geo ranges.

    *) Bugfix: in shared memory allocations if nginx was built without 
       debugging.
       Thanks to Andrey Kvasov.


Changes with nginx 0.7.31                                        19 Jan 2009

    *) Change: now the "try_files" directive tests files only and ignores 
       directories.

    *) Feature: the "fastcgi_split_path_info" directive.

    *) Bugfixes in an "Expect" request header line support.

    *) Bugfixes in geo ranges.

    *) Bugfix: in a miss case ngx_http_memcached_module returned the "END" 
       line as response body instead of default 404 page body; the bug had 
       appeared in 0.7.18.
       Thanks to Maxim Dounin.

    *) Bugfix: while SMTP proxying nginx issued message "250 2.0.0 OK" 
       instead of "235 2.0.0 OK"; the bug had appeared in 0.7.22.
       Thanks to Maxim Dounin.


Changes with nginx 0.7.30                                        24 Dec 2008

    *) Bugfix: a segmentation fault occurred in worker process, if 
       variables were used in the "fastcgi_pass" or "proxy_pass" directives 
       and host name must be resolved; the bug had appeared in 0.7.29.


Changes with nginx 0.7.29                                        24 Dec 2008

    *) Bugfix: the "fastcgi_pass" and "proxy_pass" directives did not 
       support variables if unix domain sockets were used.

    *) Bugfixes in subrequest processing; the bugs had appeared in 0.7.25.

    *) Bugfix: a "100 Continue" response was issued for HTTP/1.0 
       requests;
       Thanks to Maxim Dounin.

    *) Bugfix: in memory allocation in the ngx_http_gzip_filter_module on 
       Cygwin.


Changes with nginx 0.7.28                                        22 Dec 2008

    *) Change: in memory allocation in the ngx_http_gzip_filter_module.

    *) Change: the default "gzip_buffers" directive values have been 
       changed to 32 4k or 16 8k from 4 4k/8k.


Changes with nginx 0.7.27                                        15 Dec 2008

    *) Feature: the "try_files" directive.

    *) Feature: variables support in the "fastcgi_pass" directive.

    *) Feature: now the $geo variable may get an address from a 
       variable.
       Thanks to Andrei Nigmatulin.

    *) Feature: now a location's modifier may be used without space before 
       name.

    *) Feature: the $upstream_response_length variable.

    *) Bugfix: now a "add_header" directive does not add an empty value.

    *) Bugfix: if zero length static file was requested, then nginx just 
       closed connection; the bug had appeared in 0.7.25.

    *) Bugfix: a MOVE method could not move file in non-existent directory.

    *) Bugfix: a segmentation fault occurred in worker process, if no one 
       named location was defined in server, but some one was used in an 
       error_page directive.
       Thanks to Sergey Bochenkov.


Changes with nginx 0.7.26                                        08 Dec 2008

    *) Bugfix: in subrequest processing; the bug had appeared in 0.7.25.


Changes with nginx 0.7.25                                        08 Dec 2008

    *) Change: in subrequest processing.

    *) Change: now POSTs without "Content-Length" header line are allowed.

    *) Bugfix: now the "limit_req" and "limit_conn" directives log a 
       prohibition reason.

    *) Bugfix: in the "delete" parameter of the "geo" directive.


Changes with nginx 0.7.24                                        01 Dec 2008

    *) Feature: the "if_modified_since" directive.

    *) Bugfix: nginx did not process a FastCGI server response, if the 
       server send too many messages to stderr before response.

    *) Bugfix: the "$cookie_..." variables did not work in the SSI and the 
       perl module.


Changes with nginx 0.7.23                                        27 Nov 2008

    *) Feature: the "delete" and "ranges" parameters in the "geo" directive.

    *) Feature: speeding up loading of geo base with large number of values.

    *) Feature: decrease of memory required for geo base load.


Changes with nginx 0.7.22                                        20 Nov 2008

    *) Feature: the "none" parameter in the "smtp_auth" directive.
       Thanks to Maxim Dounin.

    *) Feature: the "$cookie_..." variables.

    *) Bugfix: the "directio" directive did not work in XFS filesystem.

    *) Bugfix: the resolver did not understand big DNS responses.
       Thanks to Zyb.


Changes with nginx 0.7.21                                        11 Nov 2008

    *) Changes in the ngx_http_limit_req_module.

    *) Feature: the EXSLT support in the ngx_http_xslt_module.
       Thanks to Denis F. Latypoff.

    *) Workaround: compatibility with glibc 2.3.
       Thanks to Eric Benson and Maxim Dounin.

    *) Bugfix: nginx could not run on MacOSX 10.4 and earlier; the bug had 
       appeared in 0.7.6.


Changes with nginx 0.7.20                                        10 Nov 2008

    *) Changes in the ngx_http_gzip_filter_module.

    *) Feature: the ngx_http_limit_req_module.

    *) Bugfix: worker processes might exit on a SIGBUS signal on sparc and 
       ppc platforms; the bug had appeared in 0.7.3.
       Thanks to Maxim Dounin.

    *) Bugfix: the "proxy_pass http://host/some:uri" directives did not 
       work; the bug had appeared in 0.7.12.

    *) Bugfix: in HTTPS mode requests might fail with the "bad write retry" 
       error.

    *) Bugfix: the ngx_http_secure_link_module did not work inside 
       locations, whose names are less than 3 characters.

    *) Bugfix: $server_addr variable might have no value.


Changes with nginx 0.7.19                                        13 Oct 2008

    *) Bugfix: version number update.


Changes with nginx 0.7.18                                        13 Oct 2008

    *) Change: the "underscores_in_headers" directive; now nginx does not 
       allows underscores in a client request header line names.

    *) Feature: the ngx_http_secure_link_module.

    *) Feature: the "real_ip_header" directive supports any header.

    *) Feature: the "log_subrequest" directive.

    *) Feature: the $realpath_root variable.

    *) Feature: the "http_502" and "http_504" parameters of the 
       "proxy_next_upstream" directive.

    *) Bugfix: the "http_503" parameter of the "proxy_next_upstream" or 
       "fastcgi_next_upstream" directives did not work.

    *) Bugfix: nginx might send a "Transfer-Encoding: chunked" header line 
       for HEAD requests.

    *) Bugfix: now accept threshold depends on worker_connections.


Changes with nginx 0.7.17                                        15 Sep 2008

    *) Feature: now the "directio" directive works on Linux.

    *) Feature: the $pid variable.

    *) Bugfix: the "directio" optimization that had appeared in 0.7.15 did 
       not work with open_file_cache.

    *) Bugfix: the "access_log" with variables did not work on Linux; the 
       bug had appeared in 0.7.7.

    *) Bugfix: the ngx_http_charset_module did not understand quoted 
       charset name received from backend.


Changes with nginx 0.7.16                                        08 Sep 2008

    *) Bugfix: nginx could not be built on 64-bit platforms; the bug had 
       appeared in 0.7.15.


Changes with nginx 0.7.15                                        08 Sep 2008

    *) Feature: the ngx_http_random_index_module.

    *) Feature: the "directio" directive has been optimized for file 
       requests starting from arbitrary position.

    *) Feature: the "directio" directive turns off sendfile if it is 
       necessary.

    *) Feature: now nginx allows underscores in a client request header 
       line names.


Changes with nginx 0.7.14                                        01 Sep 2008

    *) Change: now the ssl_certificate and ssl_certificate_key directives 
       have not default values.

    *) Feature: the "listen" directive supports the "ssl" parameter.

    *) Feature: now nginx takes into account a time zone change while 
       reconfiguration on FreeBSD and Linux.

    *) Bugfix: the "listen" directive parameters such as "backlog", 
       "rcvbuf", etc. were not set, if a default server was not the first 
       one.

    *) Bugfix: if URI part captured by a "rewrite" directive was used as a 
       query string, then the query string was not escaped.

    *) Bugfix: configuration file validity test improvements.


Changes with nginx 0.7.13                                        26 Aug 2008

    *) Bugfix: nginx could not be built on Linux and Solaris; the bug had 
       appeared in 0.7.12.


Changes with nginx 0.7.12                                        26 Aug 2008

    *) Feature: the "server_name" directive supports empty name "".

    *) Feature: the "gzip_disable" directive supports special "msie6" mask.

    *) Bugfix: if the "max_fails=0" parameter was used in upstream with 
       several servers, then a worker process exited on a SIGFPE signal.
       Thanks to Maxim Dounin.

    *) Bugfix: a request body was dropped while redirection via an 
       "error_page" directive.

    *) Bugfix: a full response was returned for request method HEAD while 
       redirection via an "error_page" directive.

    *) Bugfix: the $r->header_in() method did not return value of the 
       "Host", "User-Agent", and "Connection" request header lines; the bug 
       had appeared in 0.7.0.


Changes with nginx 0.7.11                                        18 Aug 2008

    *) Change: now ngx_http_charset_module does not work by default with 
       text/css MIME type.

    *) Feature: now nginx returns the 405 status code for POST method 
       requesting a static file only if the file exists.

    *) Feature: the "proxy_ssl_session_reuse" directive.

    *) Bugfix: a "proxy_pass" directive without URI part might use original 
       request after the "X-Accel-Redirect" redirection was used;

    *) Bugfix: if a directory has search only rights and the first index 
       file was absent, then nginx returned the 500 status code.

    *) Bugfix: in inclusive locations; the bugs had appeared in 0.7.1.


Changes with nginx 0.7.10                                        13 Aug 2008

    *) Bugfix: in the "addition_types", "charset_types", "gzip_types", 
       "ssi_types", "sub_filter_types", and "xslt_types" directives; the 
       bugs had appeared in 0.7.9.

    *) Bugfix: of recursive error_page for 500 status code.

    *) Bugfix: now the ngx_http_realip_module sets address not for whole 
       keepalive connection, but for each request passed via the connection.


Changes with nginx 0.7.9                                         12 Aug 2008

    *) Change: now ngx_http_charset_module works by default with following 
       MIME types: text/html, text/css, text/xml, text/plain, 
       text/vnd.wap.wml, application/x-javascript, and application/rss+xml.

    *) Feature: the "charset_types" and "addition_types" directives.

    *) Feature: now the "gzip_types", "ssi_types", and "sub_filter_types" 
       directives use hash.

    *) Feature: the ngx_cpp_test_module.

    *) Feature: the "expires" directive supports daily time.

    *) Feature: the ngx_http_xslt_module improvements and bug fixing.
       Thanks to Denis F. Latypoff and Maxim Dounin.

    *) Bugfix: the "log_not_found" directive did not work for index files 
       tests.

    *) Bugfix: HTTPS connections might hang, if kqueue, epoll, rtsig, or 
       eventport methods were used; the bug had appeared in 0.7.7.

    *) Bugfix: if the "server_name", "valid_referers", and "map" directives 
       used an "*.domain.tld" wildcard and exact name "domain.tld" was not 
       set, then the exact name was matched by the wildcard; the bug had 
       appeared in 0.3.18.


Changes with nginx 0.7.8                                         04 Aug 2008

    *) Feature: the ngx_http_xslt_module.

    *) Feature: the "$arg_..." variables.

    *) Feature: Solaris directio support.
       Thanks to Ivan Debnar.

    *) Bugfix: now if FastCGI server sends a "Location" header line without 
       status line, then nginx uses 302 status code.
       Thanks to Maxim Dounin.


Changes with nginx 0.7.7                                         30 Jul 2008

    *) Change: now the EAGAIN error returned by connect() is not considered 
       as temporary error.

    *) Change: now the $ssl_client_cert variable value is a certificate 
       with TAB character intended before each line except first one; an 
       unchanged certificate is available in the $ssl_client_raw_cert 
       variable.

    *) Feature: the "ask" parameter in the "ssl_verify_client" directive.

    *) Feature: byte-range processing improvements.
       Thanks to Maxim Dounin.

    *) Feature: the "directio" directive.
       Thanks to Jiang Hong.

    *) Feature: MacOSX 10.5 sendfile() support.

    *) Bugfix: now in MacOSX and Cygwin locations are tested in case 
       insensitive mode; however, the compare is provided by single-byte 
       locales only.

    *) Bugfix: mail proxy SSL connections hanged, if select, poll, or 
       /dev/poll methods were used.

    *) Bugfix: UTF-8 encoding usage in the ngx_http_autoindex_module.


Changes with nginx 0.7.6                                         07 Jul 2008

    *) Bugfix: now if variables are used in the "access_log" directive a 
       request root existence is always tested.

    *) Bugfix: the ngx_http_flv_module did not support several values in a 
       query string.


Changes with nginx 0.7.5                                         01 Jul 2008

    *) Bugfixes in variables support in the "access_log" directive; the 
       bugs had appeared in 0.7.4.

    *) Bugfix: nginx could not be built --without-http_gzip_module; the bug 
       had appeared in 0.7.3.
       Thanks to Kirill A. Korinskiy.

    *) Bugfix: if sub_filter and SSI were used together, then responses 
       might were transferred incorrectly.


Changes with nginx 0.7.4                                         30 Jun 2008

    *) Feature: variables support in the "access_log" directive.

    *) Feature: the "open_log_file_cache" directive.

    *) Feature: the -g switch.

    *) Feature: the "Expect" request header line support.

    *) Bugfix: large SSI inclusions might be truncated.


Changes with nginx 0.7.3                                         23 Jun 2008

    *) Change: the "rss" extension MIME type has been changed to 
       "application/rss+xml".

    *) Change: now the "gzip_vary" directive turned on issues a 
       "Vary: Accept-Encoding" header line for uncompressed responses too.

    *) Feature: now the "rewrite" directive does a redirect automatically 
       if the "https://" protocol is used.

    *) Bugfix: the "proxy_pass" directive did not work with the HTTPS 
       protocol; the bug had appeared in 0.6.9.


Changes with nginx 0.7.2                                         16 Jun 2008

    *) Feature: now nginx supports EDH key exchange ciphers.

    *) Feature: the "ssl_dhparam" directive.

    *) Feature: the $ssl_client_cert variable.
       Thanks to Manlio Perillo.

    *) Bugfix: after changing URI via a "rewrite" directive nginx did not 
       search a new location; the bug had appeared in 0.7.1.
       Thanks to Maxim Dounin.

    *) Bugfix: nginx could not be built without PCRE library; the bug had 
       appeared in 0.7.1.

    *) Bugfix: when a request to a directory was redirected with the slash 
       added, nginx dropped a query string from the original request.


Changes with nginx 0.7.1                                         26 May 2008

    *) Change: now locations are searched in a tree.

    *) Change: the "optimize_server_names" directive was canceled due to 
       the "server_name_in_redirect" directive introduction.

    *) Change: some long deprecated directives are not supported anymore.

    *) Change: the "none" parameter in the "ssl_session_cache" directive; 
       now this is default parameter.
       Thanks to Rob Mueller.

    *) Bugfix: worker processes might not catch reconfiguration and log 
       rotation signals.

    *) Bugfix: nginx could not be built on latest Fedora 9 Linux.
       Thanks to Roxis.


Changes with nginx 0.7.0                                         19 May 2008

    *) Change: now the 0x00-0x1F, '"' and '\' characters are escaped as 
       \xXX in an access_log.
       Thanks to Maxim Dounin.

    *) Change: now nginx allows several "Host" request header line.

    *) Feature: the "modified" flag in the "expires" directive.

    *) Feature: the $uid_got and $uid_set variables may be used at any 
       request processing stage.

    *) Feature: the $hostname variable.
       Thanks to Andrei Nigmatulin.

    *) Feature: DESTDIR support.
       Thanks to Todd A. Fisher and Andras Voroskoi.

    *) Bugfix: a segmentation fault might occur in worker process on Linux, 
       if keepalive was enabled.


Changes with nginx 0.6.31                                        12 May 2008

    *) Bugfix: nginx did not process FastCGI response if header was at the 
       end of FastCGI record; the bug had appeared in 0.6.2.
       Thanks to Sergey Serov.

    *) Bugfix: a segmentation fault might occur in worker process if a file 
       was deleted and the "open_file_cache_errors" directive was off.


Changes with nginx 0.6.30                                        29 Apr 2008

    *) Change: now if an "include" directive pattern does not match any 
       file, then nginx does not issue an error.

    *) Feature: now the time in directives may be specified without spaces, 
       for example, "1h50m".

    *) Bugfix: memory leaks if the "ssl_verify_client" directive was on.
       Thanks to Chavelle Vincent.

    *) Bugfix: the "sub_filter" directive might set text to change into 
       output.

    *) Bugfix: the "error_page" directive did not take into account 
       arguments in redirected URI.

    *) Bugfix: now nginx always opens files in binary mode under Cygwin.

    *) Bugfix: nginx could not be built on OpenBSD; the bug had appeared in 
       0.6.15.


Changes with nginx 0.6.29                                        18 Mar 2008

    *) Feature: the ngx_google_perftools_module.

    *) Bugfix: the ngx_http_perl_module could not be built on 64-bit 
       platforms; the bug had appeared in 0.6.27.


Changes with nginx 0.6.28                                        13 Mar 2008

    *) Bugfix: the rtsig method could not be built; the bug had appeared in 
       0.6.27.


Changes with nginx 0.6.27                                        12 Mar 2008

    *) Change: now by default the rtsig method is not built on 
       Linux 2.6.18+.

    *) Change: now a request method is not changed while redirection to a 
       named location via an "error_page" directive.

    *) Feature: the "resolver" and "resolver_timeout" directives in SMTP 
       proxy.

    *) Feature: the "post_action" directive supports named locations.

    *) Bugfix: a segmentation fault occurred in worker process, if a 
       request was redirected from proxy, FastCGI, or memcached location to 
       static named locations.

    *) Bugfix: browsers did not repeat SSL handshake if there is no valid 
       client certificate in first handshake. 
       Thanks to Alexander V. Inyukhin.

    *) Bugfix: if response code 495-497 was redirected via an "error_page" 
       directive without code change, then nginx tried to allocate too many 
       memory.

    *) Bugfix: memory leak in long-lived non buffered connections.

    *) Bugfix: memory leak in resolver.

    *) Bugfix: a segmentation fault occurred in worker process, if a 
       request was redirected from proxy, FastCGI, or memcached location to 
       static named locations.

    *) Bugfix: in the $proxy_host and $proxy_port variables caching.
       Thanks to Sergey Bochenkov.

    *) Bugfix: a "proxy_pass" directive with variables used incorrectly the 
       same port as in another "proxy_pass" directive with the same host 
       name and without variables.
       Thanks to Sergey Bochenkov.

    *) Bugfix: an alert "sendmsg() failed (9: Bad file descriptor)" on some 
       64-bit platforms while reconfiguration.

    *) Bugfix: a segmentation fault occurred in worker process, if empty 
       stub block was used second time in SSI.

    *) Bugfix: in copying URI part contained escaped symbols into arguments.


Changes with nginx 0.6.26                                        11 Feb 2008

    *) Bugfix: the "proxy_store" and "fastcgi_store" directives did not 
       check a response length.

    *) Bugfix: a segmentation fault occurred in worker process, if big 
       value was used in a "expires" directive.
       Thanks to Joaquin Cuenca Abela.

    *) Bugfix: nginx incorrectly detected cache line size on Pentium 4.
       Thanks to Gena Makhomed.

    *) Bugfix: in proxied or FastCGI subrequests a client original method 
       was used instead of the GET method.

    *) Bugfix: socket leak in HTTPS mode if deferred accept was used.
       Thanks to Ben Maurer.

    *) Bugfix: nginx issued the bogus error message "SSL_shutdown() failed 
       (SSL: )"; the bug had appeared in 0.6.23.

    *) Bugfix: in HTTPS mode requests might fail with the "bad write retry" 
       error; the bug had appeared in 0.6.23.


Changes with nginx 0.6.25                                        08 Jan 2008

    *) Change: now the "server_name_in_redirect" directive is used instead 
       of the "server_name" directive's special "*" parameter.

    *) Change: now wildcard and regex names can be used as main name in a 
       "server_name" directive.

    *) Change: the "satisfy_any" directive was replaced by the "satisfy" 
       directive.

    *) Workaround: old worker processes might hog CPU after reconfiguration 
       if they was run under Linux OpenVZ.

    *) Feature: the "min_delete_depth" directive.

    *) Bugfix: the COPY and MOVE methods did not work with single files.

    *) Bugfix: the ngx_http_gzip_static_module did not allow the 
       ngx_http_dav_module to work; the bug had appeared in 0.6.23.

    *) Bugfix: socket leak in HTTPS mode if deferred accept was used.
       Thanks to Ben Maurer.

    *) Bugfix: nginx could not be built without PCRE library; the bug had 
       appeared in 0.6.23.


Changes with nginx 0.6.24                                        27 Dec 2007

    *) Bugfix: a segmentation fault might occur in worker process if HTTPS 
       was used; the bug had appeared in 0.6.23.


Changes with nginx 0.6.23                                        27 Dec 2007

    *) Change: the "off" parameter in the "ssl_session_cache" directive; 
       now this is default parameter.

    *) Change: the "open_file_cache_retest" directive was renamed to the 
       "open_file_cache_valid".

    *) Feature: the "open_file_cache_min_uses" directive.

    *) Feature: the ngx_http_gzip_static_module.

    *) Feature: the "gzip_disable" directive.

    *) Feature: the "memcached_pass" directive may be used inside the "if" 
       block.

    *) Bugfix: a segmentation fault occurred in worker process, if the 
       "memcached_pass" and "if" directives were used in the same location.

    *) Bugfix: if a "satisfy_any on" directive was used and not all access 
       and auth modules directives were set, then other given access and 
       auth directives were not tested;

    *) Bugfix: regex parameters in a "valid_referers" directive were not 
       inherited from previous level.

    *) Bugfix: a "post_action" directive did run if a request was completed 
       with 499 status code.

    *) Bugfix: optimization of 16K buffer usage in a SSL connection.
       Thanks to Ben Maurer.

    *) Bugfix: the STARTTLS in SMTP mode did not work.
       Thanks to Oleg Motienko.

    *) Bugfix: in HTTPS mode requests might fail with the "bad write retry" 
       error; the bug had appeared in 0.5.13.


Changes with nginx 0.6.22                                        19 Dec 2007

    *) Change: now all ngx_http_perl_module methods return values copied to 
       perl's allocated memory.

    *) Bugfix: if nginx was built with ngx_http_perl_module, the perl 
       before 5.8.6 was used, and perl supported threads, then during 
       reconfiguration the master process aborted; the bug had appeared in 
       0.5.9.
       Thanks to Boris Zhmurov.

    *) Bugfix: the ngx_http_perl_module methods may get invalid values of 
       the regex captures.

    *) Bugfix: a segmentation fault occurred in worker process, if the 
       $r->has_request_body() method was called for a request whose small 
       request body was already received.

    *) Bugfix: large_client_header_buffers did not freed before going to 
       keep-alive state.
       Thanks to Olexander Shtepa.

    *) Bugfix: the last address was missed in the $upstream_addr variable; 
       the bug had appeared in 0.6.18.

    *) Bugfix: the "fastcgi_catch_stderr" directive did return error code; 
       now it returns 502 code, that can be rerouted to a next server using 
       the "fastcgi_next_upstream invalid_header" directive.

    *) Bugfix: a segmentation fault occurred in master process if the 
       "fastcgi_catch_stderr" directive was used; the bug had appeared in 
       0.6.10.
       Thanks to Manlio Perillo.


Changes with nginx 0.6.21                                        03 Dec 2007

    *) Change: if variable values used in a "proxy_pass" directive contain 
       IP-addresses only, then a "resolver" directive is not mandatory.

    *) Bugfix: a segmentation fault might occur in worker process if a 
       "proxy_pass" directive with URI-part was used; the bug had appeared 
       in 0.6.19.

    *) Bugfix: if resolver was used on platform that does not support 
       kqueue, then nginx issued an alert "name is out of response".
       Thanks to Andrei Nigmatulin.

    *) Bugfix: if the $server_protocol was used in FastCGI parameters and a 
       request line length was near to the "client_header_buffer_size" 
       directive value, then nginx issued an alert "fastcgi: the request 
       record is too big".

    *) Bugfix: if a plain text HTTP/0.9 version request was made to HTTPS 
       server, then nginx returned usual response.


Changes with nginx 0.6.20                                        28 Nov 2007

    *) Bugfix: a segmentation fault might occur in worker process if a 
       "proxy_pass" directive with URI-part was used; the bug had appeared 
       in 0.6.19.


Changes with nginx 0.6.19                                        27 Nov 2007

    *) Bugfix: the 0.6.18 version could not be built.


Changes with nginx 0.6.18                                        27 Nov 2007

    *) Change: now the ngx_http_userid_module adds start time microseconds 
       to the cookie field contains a pid value.

    *) Change: now the full request line instead of URI only is written to 
       error_log.

    *) Feature: variables support in the "proxy_pass" directive.

    *) Feature: the "resolver" and "resolver_timeout" directives.

    *) Feature: now the directive "add_header last-modified ''" deletes a 
       "Last-Modified" response header line.

    *) Bugfix: the "limit_rate" directive did not allow to use full 
       throughput, even if limit value was very high.


Changes with nginx 0.6.17                                        15 Nov 2007

    *) Feature: the "If-Range" request header line support.
       Thanks to Alexander V. Inyukhin.

    *) Bugfix: URL double escaping in a redirect of the "msie_refresh" 
       directive; the bug had appeared in 0.6.4.

    *) Bugfix: the "autoindex" directive did not work with the "alias /" 
       directive.

    *) Bugfix: a segmentation fault might occur in worker process if 
       subrequests were used.

    *) Bugfix: the big responses may be transferred truncated if SSL and 
       gzip were used.

    *) Bugfix: the $status variable was equal to 0 if a proxied server 
       returned response in HTTP/0.9 version.


Changes with nginx 0.6.16                                        29 Oct 2007

    *) Change: now the uname(2) is used on Linux instead of procfs.
       Thanks to Ilya Novikov.

    *) Bugfix: if the "?" character was in a "error_page" directive, then 
       it was escaped in a proxied request; the bug had appeared in 0.6.11.

    *) Bugfix: compatibility with mget.


Changes with nginx 0.6.15                                        22 Oct 2007

    *) Feature: Cygwin compatibility.
       Thanks to Vladimir Kutakov.

    *) Feature: the "merge_slashes" directive.

    *) Feature: the "gzip_vary" directive.

    *) Feature: the "server_tokens" directive.

    *) Bugfix: nginx did not unescape URI in the "include" SSI command.

    *) Bugfix: the segmentation fault was occurred on start or while 
       reconfiguration if variable was used in the "charset" or 
       "source_charset" directives.

    *) Bugfix: nginx returned the 400 response on requests like 
       "GET http://www.domain.com HTTP/1.0".
       Thanks to James Oakley.

    *) Bugfix: if request with request body was redirected using the 
       "error_page" directive, then nginx tried to read the request body 
       again; the bug had appeared in 0.6.7.

    *) Bugfix: a segmentation fault occurred in worker process if no 
       server_name was explicitly defined for server processing request; 
       the bug had appeared in 0.6.7.


Changes with nginx 0.6.14                                        15 Oct 2007

    *) Change: now by default the "echo" SSI command uses entity encoding.

    *) Feature: the "encoding" parameter in the "echo" SSI command.

    *) Feature: the "access_log" directive may be used inside the 
       "limit_except" block.

    *) Bugfix: if all upstream servers were failed, then all servers had 
       got weight the was equal one until servers became alive; the bug had 
       appeared in 0.6.6.

    *) Bugfix: a segmentation fault occurred in worker process if 
       $date_local and $date_gmt were used outside the 
       ngx_http_ssi_filter_module.

    *) Bugfix: a segmentation fault might occur in worker process if debug 
       log was enabled.
       Thanks to Andrei Nigmatulin.

    *) Bugfix: ngx_http_memcached_module did not set 
       $upstream_response_time.
       Thanks to Maxim Dounin.

    *) Bugfix: a worker process may got caught in an endless loop, if the 
       memcached was used.

    *) Bugfix: nginx supported low case only "close" and "keep-alive" 
       values in the "Connection" request header line; the bug had appeared 
       in 0.6.11.

    *) Bugfix: sub_filter did not work with empty substitution.

    *) Bugfix: in sub_filter parsing.


Changes with nginx 0.6.13                                        24 Sep 2007

    *) Bugfix: nginx did not close directory file on HEAD request if 
       autoindex was used.
       Thanks to Arkadiusz Patyk.


Changes with nginx 0.6.12                                        21 Sep 2007

    *) Change: mail proxy was split on three modules: pop3, imap and smtp.

    *) Feature: the --without-mail_pop3_module, --without-mail_imap_module, 
       and --without-mail_smtp_module configuration parameters.

    *) Feature: the "smtp_greeting_delay" and "smtp_client_buffer" 
       directives of the ngx_mail_smtp_module.

    *) Bugfix: the trailing wildcards did not work; the bug had appeared in 
       0.6.9.

    *) Bugfix: nginx could not start on Solaris if the shared PCRE library 
       located in non-standard place was used.

    *) Bugfix: the "proxy_hide_header" and "fastcgi_hide_header" directives 
       did not hide response header lines whose name was longer than 32 
       characters.
       Thanks to Manlio Perillo.


Changes with nginx 0.6.11                                        11 Sep 2007

    *) Bugfix: active connection counter always increased if mail proxy was 
       used.

    *) Bugfix: if backend returned response header only using non-buffered 
       proxy, then nginx closed backend connection on timeout.

    *) Bugfix: nginx did not support several "Connection" request header 
       lines.

    *) Bugfix: if the "max_fails" was set for upstream server, then after 
       first failure server weight was always one; the bug had appeared in 
       0.6.6.


Changes with nginx 0.6.10                                        03 Sep 2007

    *) Feature: the "open_file_cache", "open_file_cache_retest", and 
       "open_file_cache_errors" directives.

    *) Bugfix: socket leak; the bug had appeared in 0.6.7.

    *) Bugfix: a charset set by the "charset" directive was not appended to 
       the "Content-Type" header set by $r->send_http_header().

    *) Bugfix: a segmentation fault might occur in worker process if 
       /dev/poll method was used.


Changes with nginx 0.6.9                                         28 Aug 2007

    *) Bugfix: a worker process may got caught in an endless loop, if the 
       HTTPS protocol was used; the bug had appeared in 0.6.7.

    *) Bugfix: if server listened on two addresses or ports and trailing 
       wildcard was used, then nginx did not run.

    *) Bugfix: the "ip_hash" directive might incorrectly mark servers as 
       down.

    *) Bugfix: nginx could not be built on amd64; the bug had appeared in 
       0.6.8.


Changes with nginx 0.6.8                                         20 Aug 2007

    *) Change: now nginx tries to set the "worker_priority", 
       "worker_rlimit_nofile", "worker_rlimit_core", and 
       "worker_rlimit_sigpending" without super-user privileges.

    *) Change: now nginx escapes space and "%" in request to a mail proxy 
       authentication server.

    *) Change: now nginx escapes "%" in $memcached_key variable.

    *) Bugfix: nginx used path relative to configuration prefix for 
       non-absolute configuration file path specified in the "-c" key; the 
       bug had appeared in 0.6.6.

    *) Bugfix: nginx did not work on FreeBSD/sparc64.


Changes with nginx 0.6.7                                         15 Aug 2007

    *) Change: now the paths specified in the "include", 
       "auth_basic_user_file", "perl_modules", "ssl_certificate", 
       "ssl_certificate_key", and "ssl_client_certificate" directives are 
       relative to directory of nginx configuration file nginx.conf, but 
       not to nginx prefix directory.

    *) Change: the --sysconfdir=PATH option in configure was canceled.

    *) Change: the special make target "upgrade1" was defined for online 
       upgrade of 0.1.x versions.

    *) Feature: the "server_name" and "valid_referers" directives support 
       regular expressions.

    *) Feature: the "server" directive in the "upstream" context supports 
       the "backup" parameter.

    *) Feature: the ngx_http_perl_module supports the 
       $r->discard_request_body.

    *) Feature: the "add_header Last-Modified ..." directive changes the 
       "Last-Modified" response header line.

    *) Bugfix: if a response different than 200 was returned to a request 
       with body and connection went to the keep-alive state after the 
       request, then nginx returned 400 for the next request.

    *) Bugfix: a segmentation fault occurred in worker process if invalid 
       address was set in the "auth_http" directive.

    *) Bugfix: now nginx uses default listen backlog value 511 on all 
       platforms except FreeBSD.
       Thanks to Jiang Hong.

    *) Bugfix: a worker process may got caught in an endless loop, if a 
       "server" inside "upstream" block was marked as "down"; the bug had 
       appeared in 0.6.6.

    *) Bugfix: now Solaris sendfilev() is not used to transfer the client 
       request body to FastCGI-server via the unix domain socket.


Changes with nginx 0.6.6                                         30 Jul 2007

    *) Feature: the --sysconfdir=PATH option in configure.

    *) Feature: named locations.

    *) Feature: the $args variable can be set with the "set" directive.

    *) Feature: the $is_args variable.

    *) Bugfix: fair big weight upstream balancer.

    *) Bugfix: if a client has closed connection to mail proxy then nginx 
       might not close connection to backend.

    *) Bugfix: if the same host without specified port was used as backend 
       for HTTP and HTTPS, then nginx used only one port - 80 or 443.

    *) Bugfix: fix building on Solaris/amd64 by Sun Studio 11 and early 
       versions; the bug had appeared in 0.6.4.


Changes with nginx 0.6.5                                         23 Jul 2007

    *) Feature: $nginx_version variable.
       Thanks to Nick S. Grechukh.

    *) Feature: the mail proxy supports AUTHENTICATE in IMAP mode.
       Thanks to Maxim Dounin.

    *) Feature: the mail proxy supports STARTTLS in SMTP mode.
       Thanks to Maxim Dounin.

    *) Bugfix: now nginx escapes space in $memcached_key variable.

    *) Bugfix: nginx was incorrectly built by Sun Studio on 
       Solaris/amd64.
       Thanks to Jiang Hong.

    *) Bugfix: of minor potential bugs.
       Thanks to Coverity's Scan.


Changes with nginx 0.6.4                                         17 Jul 2007

    *) Security: the "msie_refresh" directive allowed XSS.
       Thanks to Maxim Boguk.

    *) Change: the "proxy_store" and "fastcgi_store" directives were 
       changed.

    *) Feature: the "proxy_store_access" and "fastcgi_store_access" 
       directives.

    *) Bugfix: nginx did not work on Solaris/sparc64 if it was built by Sun 
       Studio.
       Thanks to Andrei Nigmatulin.

    *) Workaround: for Sun Studio 12.
       Thanks to Jiang Hong.


Changes with nginx 0.6.3                                         12 Jul 2007

    *) Feature: the "proxy_store" and "fastcgi_store" directives.

    *) Bugfix: a segmentation fault might occur in worker process if the 
       "auth_http_header" directive was used.
       Thanks to Maxim Dounin.

    *) Bugfix: a segmentation fault occurred in worker process if the 
       CRAM-MD5 authentication method was used, but it was not enabled.

    *) Bugfix: a segmentation fault might occur in worker process when the 
       HTTPS protocol was used in the "proxy_pass" directive.

    *) Bugfix: a segmentation fault might occur in worker process if the 
       eventport method was used.

    *) Bugfix: the "proxy_ignore_client_abort" and 
       "fastcgi_ignore_client_abort" directives did not work; the bug had 
       appeared in 0.5.13.


Changes with nginx 0.6.2                                         09 Jul 2007

    *) Bugfix: if the FastCGI header was split in records, then nginx 
       passed garbage in the header to a client.


Changes with nginx 0.6.1                                         17 Jun 2007

    *) Bugfix: in SSI parsing.

    *) Bugfix: if remote SSI subrequest was used, then posterior local file 
       subrequest might transferred to client in wrong order.

    *) Bugfix: large SSI inclusions buffered in temporary files were 
       truncated.

    *) Bugfix: the perl $$ variable value in ngx_http_perl_module was equal 
       to the master process identification number.


Changes with nginx 0.6.0                                         14 Jun 2007

    *) Feature: the "server_name", "map", and "valid_referers" directives 
       support the "www.example.*" wildcards.


Changes with nginx 0.5.25                                        11 Jun 2007

    *) Bugfix: nginx could not be built with the 
       --without-http_rewrite_module parameter; the bug had appeared in 
       0.5.24.


Changes with nginx 0.5.24                                        06 Jun 2007

    *) Security: the "ssl_verify_client" directive did not work if request 
       was made using HTTP/0.9.

    *) Bugfix: a part of response body might be passed uncompressed if gzip 
       was used; the bug had appeared in 0.5.23.


Changes with nginx 0.5.23                                        04 Jun 2007

    *) Feature: the ngx_http_ssl_module supports Server Name Indication TLS 
       extension.

    *) Feature: the "fastcgi_catch_stderr" directive.
       Thanks to Nick S. Grechukh, OWOX project.

    *) Bugfix: a segmentation fault occurred in master process if two 
       virtual servers should bind() to the overlapping ports.

    *) Bugfix: if nginx was built with ngx_http_perl_module and perl 
       supported threads, then during second reconfiguration the error 
       messages "panic: MUTEX_LOCK" and "perl_parse() failed" were issued.

    *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.


Changes with nginx 0.5.22                                        29 May 2007

    *) Bugfix: a big request body might not be passed to backend; the bug 
       had appeared in 0.5.21.


Changes with nginx 0.5.21                                        28 May 2007

    *) Bugfix: if server has more than about ten locations, then regex 
       locations might be choosen not in that order as they were specified.

    *) Bugfix: a worker process may got caught in an endless loop on 64-bit 
       platform, if the 33-rd or next in succession backend has failed.
       Thanks to Anton Povarov.

    *) Bugfix: a bus error might occur on Solaris/sparc64 if the PCRE 
       library was used.
       Thanks to Andrei Nigmatulin.

    *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.


Changes with nginx 0.5.20                                        07 May 2007

    *) Feature: the "sendfile_max_chunk" directive.

    *) Feature: the "$http_...", "$sent_http_...", and "$upstream_http_..." 
       variables may be changed using the "set" directive.

    *) Bugfix: a segmentation fault might occur in worker process if the 
       SSI command 'if expr="$var = /"' was used.

    *) Bugfix: trailing boundary of multipart range response was 
       transferred incorrectly.
       Thanks to Evan Miller.

    *) Bugfix: nginx did not work on Solaris/sparc64 if it was built by Sun 
       Studio.
       Thanks to Andrei Nigmatulin.

    *) Bugfix: the ngx_http_perl_module could not be built by Solaris 
       make.
       Thanks to Andrei Nigmatulin.


Changes with nginx 0.5.19                                        24 Apr 2007

    *) Change: now the $request_time variable has millisecond precision.

    *) Change: the method $r->rflush of ngx_http_perl_module was renamed to 
       the $r->flush.

    *) Feature: the $upstream_addr variable.

    *) Feature: the "proxy_headers_hash_max_size" and 
       "proxy_headers_hash_bucket_size" directives.
       Thanks to Volodymyr Kostyrko.

    *) Bugfix: the files more than 2G could not be transferred using 
       sendfile and limit_rate on 64-bit platforms.

    *) Bugfix: the files more than 2G could not be transferred using 
       sendfile on 64-bit Linux.


Changes with nginx 0.5.18                                        19 Apr 2007

    *) Feature: the ngx_http_sub_filter_module.

    *) Feature: the "$upstream_http_..." variables.

    *) Feature: now the $upstream_status and $upstream_response_time 
       variables keep data about all upstreams before X-Accel-Redirect.

    *) Bugfix: a segmentation fault occurred in master process after first 
       reconfiguration and receiving any signal if nginx was built with 
       ngx_http_perl_module and perl did not support multiplicity; the bug 
       had appeared in 0.5.9.

    *) Bugfix: if perl did not support multiplicity, then after 
       reconfiguration perl code did not work; the bug had appeared in 
       0.3.38.


Changes with nginx 0.5.17                                        02 Apr 2007

    *) Change: now nginx always returns the 405 status for the TRACE method.

    *) Feature: now nginx supports the "include" directive inside the 
       "types" block.

    *) Bugfix: the $document_root variable usage in the "root" and "alias" 
       directives is disabled: this caused recursive stack overflow.

    *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.

    *) Bugfix: in some cases non-cachable variables (such as $uri variable) 
       returned old cached value.


Changes with nginx 0.5.16                                        26 Mar 2007

    *) Bugfix: the C-class network was not used as hash key in the 
       "ip_hash" directive.
       Thanks to Pavel Yarkovoy.

    *) Bugfix: a segmentation fault might occur in worker process if a 
       charset was set in the "Content-Type" header line and the line has 
       trailing ";"; the bug had appeared in 0.3.50.

    *) Bugfix: the "[alert] zero size buf" error when FastCGI server was 
       used and a request body written in a temporary file was multiple of 
       32K.

    *) Bugfix: nginx could not be built on Solaris without the --with-debug 
       option; the bug had appeared in 0.5.15.


Changes with nginx 0.5.15                                        19 Mar 2007

    *) Feature: the mail proxy supports authenticated SMTP proxying and the 
       "smtp_auth", "smtp_capablities", and "xclient" directives.
       Thanks to Anton Yuzhaninov and Maxim Dounin.

    *) Feature: now the keep-alive connections are closed just after 
       receiving the reconfiguration signal.

    *) Change: the "imap" and "auth" directives were renamed to the "mail" 
       and "pop3_auth" directives.

    *) Bugfix: a segmentation fault occurred in worker process if the 
       CRAM-MD5 authentication method was used and the APOP method was 
       disabled.

    *) Bugfix: if the "starttls only" directive was used in POP3 protocol, 
       then nginx allowed authentication without switching to the SSL mode.

    *) Bugfix: worker processes did not exit after reconfiguration and did 
       not rotate logs if the eventport method was used.

    *) Bugfix: a worker process may got caught in an endless loop, if the 
       "ip_hash" directive was used.

    *) Bugfix: now nginx does not log some alerts if eventport or /dev/poll 
       methods are used.


Changes with nginx 0.5.14                                        23 Feb 2007

    *) Bugfix: nginx ignored superfluous closing "}" in the end of 
       configuration file.


Changes with nginx 0.5.13                                        19 Feb 2007

    *) Feature: the COPY and MOVE methods.

    *) Bugfix: the ngx_http_realip_module set garbage for requests passed 
       via keep-alive connection.

    *) Bugfix: nginx did not work on big-endian 64-bit Linux.
       Thanks to Andrei Nigmatulin.

    *) Bugfix: now when IMAP/POP3 proxy receives too long command it closes 
       the connection right away, but not after timeout.

    *) Bugfix: if the "epoll" method was used and a client closed a 
       connection prematurely, then nginx closed the connection after a 
       send timeout only.

    *) Bugfix: nginx could not be built on platforms different from i386, 
       amd64, sparc, and ppc; the bug had appeared in 0.5.8.


Changes with nginx 0.5.12                                        12 Feb 2007

    *) Bugfix: nginx could not be built on platforms different from i386, 
       amd64, sparc, and ppc; the bug had appeared in 0.5.8.

    *) Bugfix: a segmentation fault might occur in worker process if the 
       temporary files were used while working with FastCGI server; the bug 
       had appeared in 0.5.8.

    *) Bugfix: a segmentation fault might occur in worker process if the 
       $fastcgi_script_name variable was logged.

    *) Bugfix: ngx_http_perl_module could not be built on Solaris.


Changes with nginx 0.5.11                                        05 Feb 2007

    *) Feature: now configure detects system PCRE library in MacPorts.
       Thanks to Chris McGrath.

    *) Bugfix: the response was incorrect if several ranges were requested; 
       the bug had appeared in 0.5.6.

    *) Bugfix: the "create_full_put_path" directive could not create the 
       intermediate directories if no "dav_access" directive was set.
       Thanks to Evan Miller.

    *) Bugfix: the "0" response code might be logged in the access_log 
       instead of the "400" and "408" error codes.

    *) Bugfix: a segmentation fault might occur in worker process if nginx 
       was built with -O2 optimization.


Changes with nginx 0.5.10                                        26 Jan 2007

    *) Bugfix: while online executable file upgrade the new master process 
       did not inherit the listening sockets; the bug had appeared in 0.5.9.

    *) Bugfix: a segmentation fault might occur in worker process if nginx 
       was built with -O2 optimization; the bug had appeared in 0.5.1.


Changes with nginx 0.5.9                                         25 Jan 2007

    *) Change: now the ngx_http_memcached_module uses the $memcached_key 
       variable value as a key.

    *) Feature: the $memcached_key variable.

    *) Feature: the "clean" parameter in the "client_body_in_file_only" 
       directive.

    *) Feature: the "env" directive.

    *) Feature: the "sendfile" directive is available inside the "if" block.

    *) Feature: now on failure of the writing to access nginx logs a 
       message to error_log, but not more often than once a minute.

    *) Bugfix: the "access_log off" directive did not always turn off the 
       logging.


Changes with nginx 0.5.8                                         19 Jan 2007

    *) Bugfix: a segmentation fault might occur if 
       "client_body_in_file_only on" was used and a request body was small.

    *) Bugfix: a segmentation fault occurred if 
       "client_body_in_file_only on" and "proxy_pass_request_body off" or 
       "fastcgi_pass_request_body off" directives were used, and nginx 
       switched to a next upstream.

    *) Bugfix: if the "proxy_buffering off" directive was used and a client 
       connection was non-active, then the connection was closed after send 
       timeout; the bug had appeared in 0.4.7.

    *) Bugfix: if the "epoll" method was used and a client closed a 
       connection prematurely, then nginx closed the connection after a 
       send timeout only.

    *) Bugfix: the "[alert] zero size buf" error when FastCGI server was 
       used.

    *) Bugfixes in the "limit_zone" directive.


Changes with nginx 0.5.7                                         15 Jan 2007

    *) Feature: the ssl_session_cache storage optimization.

    *) Bugfixes in the "ssl_session_cache" and "limit_zone" directives.

    *) Bugfix: the segmentation fault was occurred on start or while 
       reconfiguration if the "ssl_session_cache" or "limit_zone" 
       directives were used on 64-bit platforms.

    *) Bugfix: a segmentation fault occurred if the "add_before_body" or 
       "add_after_body" directives were used and there was no 
       "Content-Type" header line in response.

    *) Bugfix: the OpenSSL library was always built with the threads 
       support.
       Thanks to Den Ivanov.

    *) Bugfix: the PCRE-6.5+ library and the icc compiler compatibility.


Changes with nginx 0.5.6                                         09 Jan 2007

    *) Change: now the ngx_http_index_module ignores all methods except the 
       GET, HEAD, and POST methods.

    *) Feature: the ngx_http_limit_zone_module.

    *) Feature: the $binary_remote_addr variable.

    *) Feature: the "ssl_session_cache" directives of the 
       ngx_http_ssl_module and ngx_imap_ssl_module.

    *) Feature: the DELETE method supports recursive removal.

    *) Bugfix: the byte-ranges were transferred incorrectly if the 
       $r->sendfile() was used.


Changes with nginx 0.5.5                                         24 Dec 2006

    *) Change: the -v switch does not show compiler information any more.

    *) Feature: the -V switch.

    *) Feature: the "worker_rlimit_core" directive supports size in K, M, 
       and G.

    *) Bugfix: the nginx.pm module now could be installed by an 
       unprivileged user.

    *) Bugfix: a segmentation fault might occur if the $r->request_body or 
       $r->request_body_file methods were used.

    *) Bugfix: the ppc platform specific bugs.


Changes with nginx 0.5.4                                         15 Dec 2006

    *) Feature: the "perl" directive may be used inside the "limit_except" 
       block.

    *) Bugfix: the ngx_http_dav_module required the "Date" request header 
       line for the DELETE method.

    *) Bugfix: if one only parameter was used in the "dav_access" 
       directive, then nginx might report about configuration error.

    *) Bugfix: a segmentation fault might occur if the $host variable was 
       used; the bug had appeared in 0.4.14.


Changes with nginx 0.5.3                                         13 Dec 2006

    *) Feature: the ngx_http_perl_module supports the $r->status, 
       $r->log_error, and $r->sleep methods.

    *) Feature: the $r->variable method supports variables that do not 
       exist in nginx configuration.

    *) Bugfix: the $r->has_request_body method did not work.


Changes with nginx 0.5.2                                         11 Dec 2006

    *) Bugfix: if the "proxy_pass" directive used the name of the 
       "upstream" block, then nginx tried to resolve the name; the bug had 
       appeared in 0.5.1.


Changes with nginx 0.5.1                                         11 Dec 2006

    *) Bugfix: the "post_action" directive might not run after a 
       unsuccessful completion of a request.

    *) Workaround: for Eudora for Mac; the bug had appeared in 0.4.11.
       Thanks to Bron Gondwana.

    *) Bugfix: if the "upstream" name was used in the "fastcgi_pass", then 
       the message "no port in upstream" was issued; the bug had appeared 
       in 0.5.0.

    *) Bugfix: if the "proxy_pass" and "fastcgi_pass" directives used the 
       same servers but different ports, then these directives uses the 
       first described port; the bug had appeared in 0.5.0.

    *) Bugfix: if the "proxy_pass" and "fastcgi_pass" directives used the 
       unix domain sockets, then these directives used first described 
       socket; the bug had appeared in 0.5.0.

    *) Bugfix: ngx_http_auth_basic_module ignored the user if it was in the 
       last line in the password file and there was no the carriage return, 
       the line feed, or the ":" symbol after the password.

    *) Bugfix: the $upstream_response_time variable might be equal to 
       "0.000", although response time was more than 1 millisecond.


Changes with nginx 0.5.0                                         04 Dec 2006

    *) Change: the parameters in the "%name" form in the "log_format" 
       directive are not supported anymore.

    *) Change: the "proxy_upstream_max_fails", 
       "proxy_upstream_fail_timeout", "fastcgi_upstream_max_fails", 
       "fastcgi_upstream_fail_timeout", "memcached_upstream_max_fails", and 
       "memcached_upstream_fail_timeout" directives are not supported 
       anymore.

    *) Feature: the "server" directive in the "upstream" context supports 
       the "max_fails", "fail_timeout", and "down" parameters.

    *) Feature: the "ip_hash" directive inside the "upstream" block.

    *) Feature: the WAIT status in the "Auth-Status" header line of the 
       IMAP/POP3 proxy authentication server response.

    *) Bugfix: nginx could not be built on 64-bit platforms; the bug had 
       appeared in 0.4.14.


Changes with nginx 0.4.14                                        27 Nov 2006

    *) Feature: the "proxy_pass_error_message" directive in IMAP/POP3 proxy.

    *) Feature: now configure detects system PCRE library on FreeBSD, 
       Linux, and NetBSD.

    *) Bugfix: ngx_http_perl_module did not work with perl built with the 
       threads support; the bug had appeared in 0.3.38.

    *) Bugfix: ngx_http_perl_module did not work if perl was called 
       recursively.

    *) Bugfix: nginx ignored a host name in a request line.

    *) Bugfix: a worker process may got caught in an endless loop, if a 
       FastCGI server sent too many data to the stderr.

    *) Bugfix: the $upstream_response_time variable may be negative if the 
       system time was changed backward.

    *) Bugfix: the "Auth-Login-Attempt" parameter was not sent to IMAP/POP3 
       proxy authentication server when POP3 was used.

    *) Bugfix: a segmentation fault might occur if connect to IMAP/POP3 
       proxy authentication server failed.


Changes with nginx 0.4.13                                        15 Nov 2006

    *) Feature: the "proxy_pass" directive may be used inside the 
       "limit_except" block.

    *) Feature: the "limit_except" directive supports all WebDAV methods.

    *) Bugfix: if the "add_before_body" directive was used without the 
       "add_after_body" directive, then a response did not transferred 
       complete.

    *) Bugfix: a large request body did not receive if the epoll method and 
       the deferred accept() were used.

    *) Bugfix: a charset could not be set for ngx_http_autoindex_module 
       responses; the bug had appeared in 0.3.50.

    *) Bugfix: the "[alert] zero size buf" error when FastCGI server was 
       used;

    *) Bugfix: the --group= configuration parameter was ignored.
       Thanks to Thomas Moschny.

    *) Bugfix: the 50th subrequest in SSI response did not work; the bug 
       had appeared in 0.3.50.


Changes with nginx 0.4.12                                        31 Oct 2006

    *) Feature: the ngx_http_perl_module supports the $r->variable method.

    *) Bugfix: if a big static file was included using SSI in a response, 
       then the response may be transferred incomplete.

    *) Bugfix: nginx did not omit the "#fragment" part in URI.


Changes with nginx 0.4.11                                        25 Oct 2006

    *) Feature: the POP3 proxy supports the AUTH LOGIN PLAIN and CRAM-MD5.

    *) Feature: the ngx_http_perl_module supports the $r->allow_ranges 
       method.

    *) Bugfix: if the APOP was enabled in the POP3 proxy, then the 
       USER/PASS commands might not work; the bug had appeared in 0.4.10.


Changes with nginx 0.4.10                                        23 Oct 2006

    *) Feature: the POP3 proxy supports the APOP command.

    *) Bugfix: if the select, poll or /dev/poll methods were used, then 
       while waiting authentication server response the IMAP/POP3 proxy 
       hogged CPU.

    *) Bugfix: a segmentation fault might occur if the $server_addr 
       variable was used in the "map" directive.

    *) Bugfix: the ngx_http_flv_module did not support the byte ranges for 
       full responses; the bug had appeared in 0.4.7.

    *) Bugfix: nginx could not be built on Debian amd64; the bug had 
       appeared in 0.4.9.


Changes with nginx 0.4.9                                         13 Oct 2006

    *) Feature: the "set" parameter in the "include" SSI command.

    *) Feature: the ngx_http_perl_module now tests the nginx.pm module 
       version.


Changes with nginx 0.4.8                                         11 Oct 2006

    *) Bugfix: if an "include" SSI command were before another "include" 
       SSI command with a "wait" parameter, then the "wait" parameter might 
       not work.

    *) Bugfix: the ngx_http_flv_module added the FLV header to the full 
       responses.
       Thanks to Alexey Kovyrin.


Changes with nginx 0.4.7                                         10 Oct 2006

    *) Feature: the ngx_http_flv_module.

    *) Feature: the $request_body_file variable.

    *) Feature: the "charset" and "source_charset" directives support the 
       variables.

    *) Bugfix: if an "include" SSI command were before another "include" 
       SSI command with a "wait" parameter, then the "wait" parameter might 
       not work.

    *) Bugfix: if the "proxy_buffering off" directive was used or while 
       working with memcached the connections might not be closed on 
       timeout.

    *) Bugfix: nginx did not run on 64-bit platforms except amd64, sparc64, 
       and ppc64.


Changes with nginx 0.4.6                                         06 Oct 2006

    *) Bugfix: nginx did not run on 64-bit platforms except amd64, sparc64, 
       and ppc64.

    *) Bugfix: nginx sent the chunked response for HTTP/1.1 request,
       if its length was set by text string in the 
       $r->headers_out("Content-Length", ...) method.

    *) Bugfix: after redirecting error by an "error_page" directive any 
       ngx_http_rewrite_module directive returned this error code; the bug 
       had appeared in 0.4.4.


Changes with nginx 0.4.5                                         02 Oct 2006

    *) Bugfix: nginx could not be built on Linux and Solaris; the bug had 
       appeared in 0.4.4.


Changes with nginx 0.4.4                                         02 Oct 2006

    *) Feature: the $scheme variable.

    *) Feature: the "expires" directive supports the "max" parameter.

    *) Feature: the "include" directive supports the "*" mask.
       Thanks to Jonathan Dance.

    *) Bugfix: the "return" directive always overrode the "error_page" 
       response code redirected by the "error_page" directive.

    *) Bugfix: a segmentation fault occurred if zero-length body was in PUT 
       method.

    *) Bugfix: the redirect was changed incorrectly if the variables were 
       used in the "proxy_redirect" directive.


Changes with nginx 0.4.3                                         26 Sep 2006

    *) Change: now the 499 error could not be redirected using an 
       "error_page" directive.

    *) Feature: the Solaris 10 event ports support.

    *) Feature: the ngx_http_browser_module.

    *) Bugfix: a segmentation fault may occur while redirecting the 400 
       error to the proxied server using a "proxy_pass" directive.

    *) Bugfix: a segmentation fault occurred if an unix domain socket was 
       used in a "proxy_pass" directive; the bug had appeared in 0.3.47.

    *) Bugfix: SSI did work with memcached and nonbuffered responses.

    *) Workaround: of the Sun Studio PAUSE hardware capability bug.


Changes with nginx 0.4.2                                         14 Sep 2006

    *) Bugfix: the O_NOATIME flag support on Linux was canceled; the bug 
       had appeared in 0.4.1.


Changes with nginx 0.4.1                                         14 Sep 2006

    *) Bugfix: the DragonFlyBSD compatibility.
       Thanks to Pavel Nazarov.

    *) Workaround: of bug in 64-bit Linux sendfile(), when file is more 
       than 2G.

    *) Feature: now on Linux nginx uses O_NOATIME flag for static 
       requests.
       Thanks to Yusuf Goolamabbas.


Changes with nginx 0.4.0                                         30 Aug 2006

    *) Change in internal API: the HTTP modules initialization was moved 
       from the init module phase to the HTTP postconfiguration phase.

    *) Change: now the request body is not read beforehand for the 
       ngx_http_perl_module: it's required to start the reading using the 
       $r->has_request_body method.

    *) Feature: the ngx_http_perl_module supports the DECLINED return code.

    *) Feature: the ngx_http_dav_module supports the incoming "Date" header 
       line for the PUT method.

    *) Feature: the "ssi" directive is available inside the "if" block.

    *) Bugfix: a segmentation fault occurred if there was an "index" 
       directive with variables and the first index name was without 
       variables; the bug had appeared in 0.1.29.


Changes with nginx 0.3.61                                        28 Aug 2006

    *) Change: now the "tcp_nodelay" directive is turned on by default.

    *) Feature: the "msie_refresh" directive.

    *) Feature: the "recursive_error_pages" directive.

    *) Bugfix: the "rewrite" directive returned incorrect redirect, if the 
       redirect had the captured escaped symbols from original URI.


Changes with nginx 0.3.60                                        18 Aug 2006

    *) Bugfix: a worker process may got caught in an endless loop while an 
       error redirection; the bug had appeared in 0.3.59.


Changes with nginx 0.3.59                                        16 Aug 2006

    *) Feature: now is possible to do several redirection using the 
       "error_page" directive.

    *) Bugfix: the "dav_access" directive did not support three parameters.

    *) Bugfix: the "error_page" directive did not changes the 
       "Content-Type" header line after the "X-Accel-Redirect" was used; 
       the bug had appeared in 0.3.58.


Changes with nginx 0.3.58                                        14 Aug 2006

    *) Feature: the "error_page" directive supports the variables.

    *) Change: now the procfs interface instead of sysctl is used on Linux.

    *) Change: now the "Content-Type" header line is inherited from first 
       response when the "X-Accel-Redirect" was used.

    *) Bugfix: the "error_page" directive did not redirect the 413 error.

    *) Bugfix: the trailing "?" did not remove old arguments if no new 
       arguments were added to a rewritten URI.

    *) Bugfix: nginx could not run on 64-bit FreeBSD 7.0-CURRENT.


Changes with nginx 0.3.57                                        09 Aug 2006

    *) Feature: the $ssl_client_serial variable.

    *) Bugfix: in the "!-e" operator of the "if" directive.
       Thanks to Andrian Budanstov.

    *) Bugfix: while a client certificate verification nginx did not send 
       to a client the required certificates information.

    *) Bugfix: the $document_root variable did not support the variables in 
       the "root" directive.


Changes with nginx 0.3.56                                        04 Aug 2006

    *) Feature: the "dav_access" directive.

    *) Feature: the "if" directive supports the "-d", "!-d", "-e", "!-e", 
       "-x", and "!-x" operators.

    *) Bugfix: a segmentation fault occurred if a request returned a 
       redirect and some sent to client header lines were logged in the 
       access log.


Changes with nginx 0.3.55                                        28 Jul 2006

    *) Feature: the "stub" parameter in the "include" SSI command.

    *) Feature: the "block" SSI command.

    *) Feature: the unicode2nginx script was added to contrib.

    *) Bugfix: if a "root" was specified by variable only, then the root 
       was relative to a server prefix.

    *) Bugfix: if the request contained "//" or "/./" and escaped symbols 
       after them, then the proxied request was sent unescaped.

    *) Bugfix: the $r->header_in("Cookie") of the ngx_http_perl_module now 
       returns all "Cookie" header lines.

    *) Bugfix: a segmentation fault occurred if 
       "client_body_in_file_only on" was used and nginx switched to a next 
       upstream.

    *) Bugfix: on some condition while reconfiguration character codes 
       inside the "charset_map" may be treated invalid; the bug had 
       appeared in 0.3.50.


Changes with nginx 0.3.54                                        11 Jul 2006

    *) Feature: nginx now logs the subrequest information to the error log.

    *) Feature: the "proxy_next_upstream", "fastcgi_next_upstream", and 
       "memcached_next_upstream" directives support the "off" parameter.

    *) Feature: the "debug_connection" directive supports the CIDR address 
       form.

    *) Bugfix: if a response of proxied server or FastCGI server was 
       converted from UTF-8 or back, then it may be transferred incomplete.

    *) Bugfix: the $upstream_response_time variable had the time of the 
       first request to a backend only.

    *) Bugfix: nginx could not be built on amd64 platform; the bug had 
       appeared in 0.3.53.


Changes with nginx 0.3.53                                        07 Jul 2006

    *) Change: the "add_header" directive adds the string to 204, 301, and 
       302 responses.

    *) Feature: the "server" directive in the "upstream" context supports 
       the "weight" parameter.

    *) Feature: the "server_name" directive supports the "*" wildcard.

    *) Feature: nginx supports the request body size more than 2G.

    *) Bugfix: if a client was successfully authorized using "satisfy_any 
       on", then anyway the message "access forbidden by rule" was written 
       in the log.

    *) Bugfix: the "PUT" method may erroneously not create a file and 
       return the 409 code.

    *) Bugfix: if the IMAP/POP3 backend returned an error, then nginx 
       continued proxying anyway.


Changes with nginx 0.3.52                                        03 Jul 2006

    *) Change: the ngx_http_index_module behavior for the "POST /" requests 
       is reverted to the 0.3.40 version state: the module now does not 
       return the 405 error.

    *) Bugfix: the worker process may got caught in an endless loop if the 
       limit rate was used; the bug had appeared in 0.3.37.

    *) Bugfix: ngx_http_charset_module logged "unknown charset" alert, even 
       if the recoding was not needed; the bug had appeared in 0.3.50.

    *) Bugfix: if a code response of the PUT request was 409, then a 
       temporary file was not removed.


Changes with nginx 0.3.51                                        30 Jun 2006

    *) Bugfix: the "<" symbols might disappeared some conditions in the 
       SSI; the bug had appeared in 0.3.50.


Changes with nginx 0.3.50                                        28 Jun 2006

    *) Change: the "proxy_redirect_errors" and "fastcgi_redirect_errors" 
       directives was renamed to the "proxy_intercept_errors" and 
       "fastcgi_intercept_errors" directives.

    *) Feature: the ngx_http_charset_module supports the recoding from the 
       single byte encodings to the UTF-8 encoding and back.

    *) Feature: the "X-Accel-Charset" response header line is supported in 
       proxy and FastCGI mode.

    *) Bugfix: the "\" escape symbol in the "\"" and "\'" pairs in the SSI 
       command was removed only if the command also has the "$" symbol.

    *) Bugfix: the "<!--" string might be added on some conditions in the 
       SSI after inclusion.

    *) Bugfix: if the "Content-Length: 0" header line was in response, then 
       in nonbuffered proxying mode the client connection was not closed.


Changes with nginx 0.3.49                                        31 May 2006

    *) Bugfix: in the "set" directive.

    *) Bugfix: if two or more FastCGI subrequests was in SSI, then first 
       subrequest output was included instead of second and following 
       subrequests.


Changes with nginx 0.3.48                                        29 May 2006

    *) Change: now the ngx_http_charset_module works for subrequests, if 
       the response has no "Content-Type" header line.

    *) Bugfix: if the "proxy_pass" directive has no URI part, then the 
       "proxy_redirect default" directive add the unnecessary slash in 
       start of the rewritten redirect.

    *) Bugfix: the internal redirect always transform client's HTTP method 
       to GET, now the transformation is made for the "X-Accel-Redirect" 
       redirects only and if the method is not HEAD; the bug had appeared 
       in 0.3.42.

    *) Bugfix: the ngx_http_perl_module could not be built, if the perl was 
       built with the threads support; the bug had appeared in 0.3.46.


Changes with nginx 0.3.47                                        23 May 2006

    *) Feature: the "upstream" directive.

    *) Change: now the "\" escape symbol in the "\"" and "\'" pairs in the 
       SSI command is always removed.


Changes with nginx 0.3.46                                        11 May 2006

    *) Feature: the "proxy_hide_header", "proxy_pass_header", 
       "fastcgi_hide_header", and "fastcgi_pass_header" directives.

    *) Change: the "proxy_pass_x_powered_by", "fastcgi_x_powered_by", and 
       "proxy_pass_server" directives were canceled.

    *) Feature: the "X-Accel-Buffering" response header line is supported 
       in proxy mode.

    *) Bugfix: the reconfiguration bug and memory leaks in the 
       ngx_http_perl_module.


Changes with nginx 0.3.45                                        06 May 2006

    *) Feature: the "ssl_verify_client", "ssl_verify_depth", and 
       "ssl_client_certificate" directives.

    *) Change: the $request_method variable now returns the main request 
       method.

    *) Change: the &deg; symbol codes were changed in koi-win conversion 
       table.

    *) Feature: the euro and N symbols were added to koi-win conversion 
       table.

    *) Bugfix: if nginx distributed the requests among several backends and 
       some backend failed, then requests intended for this backend was 
       directed to one live backend only instead of being distributed among 
       the rest.


Changes with nginx 0.3.44                                        04 May 2006

    *) Feature: the "wait" parameter in the "include" SSI command.

    *) Feature: the Ukrainian and Byelorussian characters were added to 
       koi-win conversion table.

    *) Bugfix: in the SSI.


Changes with nginx 0.3.43                                        26 Apr 2006

    *) Bugfix: in the SSI.


Changes with nginx 0.3.42                                        26 Apr 2006

    *) Feature: the "bind" option of the "listen" directive in IMAP/POP3 
       proxy.

    *) Bugfix: if the same capture in the "rewrite" directive was used more 
       then once.

    *) Bugfix: the $sent_http_content_type, $sent_http_content_length, 
       $sent_http_last_modified, $sent_http_connection, 
       $sent_http_keep_alive, and $sent_http_transfer_encoding variables 
       were not written to access log.

    *) Bugfix: the $sent_http_cache_control returned value of the single 
       "Cache-Control" response header line.


Changes with nginx 0.3.41                                        21 Apr 2006

    *) Feature: the -v switch.

    *) Bugfix: the segmentation fault may occurred if the SSI page has 
       remote subrequests.

    *) Bugfix: in FastCGI handling.

    *) Bugfix: if the perl modules path was not set using 
       --with-perl_modules_path=PATH or the "perl_modules", then the 
       segmentation fault was occurred.


Changes with nginx 0.3.40                                        19 Apr 2006

    *) Feature: the ngx_http_dav_module supports the MKCOL method.

    *) Feature: the "create_full_put_path" directive.

    *) Feature: the "$limit_rate" variable.


Changes with nginx 0.3.39                                        17 Apr 2006

    *) Feature: the "uninitialized_variable_warn" directive; the logging 
       level of the "uninitialized variable" message was lowered from 
       "alert" to "warn".

    *) Feature: the "override_charset" directive.

    *) Change: now if the unknown variable is used in the "echo" and "if 
       expr='$name'" SSI-commands, then the "unknown variable" message is 
       not logged.

    *) Bugfix: the active connection counter increased on the exceeding of 
       the connection limit specified by the "worker_connections" 
       directive; the bug had appeared in 0.2.0.

    *) Bugfix: the limit rate might not work on some condition; the bug had 
       appeared in 0.3.38.


Changes with nginx 0.3.38                                        14 Apr 2006

    *) Feature: the ngx_http_dav_module.

    *) Change: the ngx_http_perl_module optimizations.
       Thanks to Sergey Skvortsov.

    *) Feature: the ngx_http_perl_module supports the $r->request_body_file 
       method.

    *) Feature: the "client_body_in_file_only" directive.

    *) Workaround: now on disk overflow nginx tries to write access logs 
       once a second only.
       Thanks to Anton Yuzhaninov and Maxim Dounin.

    *) Bugfix: now the "limit_rate" directive more precisely limits rate if 
       rate is more than 100 Kbyte/s.
       Thanks to ForJest.

    *) Bugfix: now the IMAP/POP3 proxy escapes the "\r" and "\n" symbols in 
       login and password to pass authorization server.
       Thanks to Maxim Dounin.


Changes with nginx 0.3.37                                        07 Apr 2006

    *) Feature: the "limit_except" directive.

    *) Feature: the "if" directive supports the "!~", "!~*", "-f", and 
       "!-f" operators.

    *) Feature: the ngx_http_perl_module supports the $r->request_body 
       method.

    *) Bugfix: in the ngx_http_addition_filter_module.


Changes with nginx 0.3.36                                        05 Apr 2006

    *) Feature: the ngx_http_addition_filter_module.

    *) Feature: the "proxy_pass" and "fastcgi_pass" directives may be used 
       inside the "if" block.

    *) Feature: the "proxy_ignore_client_abort" and 
       "fastcgi_ignore_client_abort" directives.

    *) Feature: the "$request_completion" variable.

    *) Feature: the ngx_http_perl_module supports the $r->request_method 
       and $r->remote_addr.

    *) Feature: the ngx_http_ssi_module supports the "elif" command.

    *) Bugfix: the "\/" string in the expression of the "if" command of the 
       ngx_http_ssi_module was treated incorrectly.

    *) Bugfix: in the regular expressions in the "if" command of the 
       ngx_http_ssi_module.

    *) Bugfix: if the relative path was specified in the 
       "client_body_temp_path", "proxy_temp_path", "fastcgi_temp_path", and 
       "perl_modules" directives, then the directory was used relatively to 
       a current path but not to a server prefix.


Changes with nginx 0.3.35                                        22 Mar 2006

    *) Bugfix: the accept-filter and the TCP_DEFER_ACCEPT option were set 
       for first "listen" directive only; the bug had appeared in 0.3.31.

    *) Bugfix: in the "proxy_pass" directive without the URI part in a 
       subrequest.


Changes with nginx 0.3.34                                        21 Mar 2006

    *) Feature: the "add_header" directive supports the variables.


Changes with nginx 0.3.33                                        15 Mar 2006

    *) Feature: the "http_503" parameter of the "proxy_next_upstream" or 
       "fastcgi_next_upstream" directives.

    *) Bugfix: ngx_http_perl_module did not work with inlined in the 
       configuration code, if it was not started with the "sub" word.

    *) Bugfix: in the "post_action" directive.


Changes with nginx 0.3.32                                        11 Mar 2006

    *) Bugfix: the debug logging on startup and reconfiguration time was 
       removed; the bug had appeared in 0.3.31.


Changes with nginx 0.3.31                                        10 Mar 2006

    *) Change: now nginx passes the malformed proxied backend responses.

    *) Feature: the "listen" directives support the address in the "*:port" 
       form.

    *) Feature: the EVFILER_TIMER support in MacOSX 10.4.

    *) Workaround: for MacOSX 64-bit kernel kqueue millisecond timeout 
       bug.
       Thanks to Andrei Nigmatulin.

    *) Bugfix: if there were several "listen" directives listening one 
       various addresses inside one server, then server names like 
       "*.domain.tld" worked for first address only; the bug had appeared 
       in 0.3.18.

    *) Bugfix: if the HTTPS protocol was used in the "proxy_pass" directive 
       and the request body was in temporary file then the request was not 
       transferred.

    *) Bugfix: perl 5.8.8 compatibility.


Changes with nginx 0.3.30                                        22 Feb 2006

    *) Change: the ECONNABORTED error log level was changed to "error" from 
       "crit".

    *) Bugfix: the ngx_http_perl_module could not be build without the 
       ngx_http_ssi_filter_module.

    *) Bugfix: nginx could not be built on i386 platform, if the PIC was 
       used; the bug had appeared in 0.3.27.


Changes with nginx 0.3.29                                        20 Feb 2006

    *) Feature: now nginx uses less memory, if PHP in FastCGI mode sends 
       many warnings before the response.

    *) Bugfix: the "Transfer-Encoding: chunked" header line was issued in 
       the 204 responses for the HTTP/1.1 requests.

    *) Bugfix: nginx returned the 502 response, if the complete response 
       header lines were transferred in a separate FastCGI records.

    *) Bugfix: if the proxied URI was specified in the "post_action" 
       directive, then it ran only after a successful completion of a 
       request.


Changes with nginx 0.3.28                                        16 Feb 2006

    *) Feature: the "restrict_host_names" directive was canceled.

    *) Feature: the --with-cpu-opt=ppc64 configuration parameter.

    *) Bugfix: on some condition the proxied connection with a client was 
       terminated prematurely.
       Thanks to Vladimir Shutoff.

    *) Bugfix: the "X-Accel-Limit-Rate" header line was not taken into 
       account if the request was redirected using the "X-Accel-Redirect" 
       header line.

    *) Bugfix: the "post_action" directive ran only after a successful 
       completion of a request.

    *) Bugfix: the proxied response body generated by the "post_action" 
       directive was transferred to a client.


Changes with nginx 0.3.27                                        08 Feb 2006

    *) Change: the "variables_hash_max_size" and 
       "variables_hash_bucket_size" directives.

    *) Feature: the $body_bytes_sent variable can be used not only in the 
       "log_format" directive.

    *) Feature: the $ssl_protocol and $ssl_cipher variables.

    *) Feature: the cache line size detection for widespread CPUs at start 
       time.

    *) Feature: now the "accept_mutex" directive is supported using 
       fcntl(2) on platforms different from i386, amd64, sparc64, and ppc.

    *) Feature: the "lock_file" directive and the --with-lock-path=PATH 
       autoconfiguration directive.

    *) Bugfix: if the HTTPS protocol was used in the "proxy_pass" directive 
       then the requests with the body was not transferred.


Changes with nginx 0.3.26                                        03 Feb 2006

    *) Change: the "optimize_host_names" directive was renamed to the 
       "optimize_server_names".

    *) Bugfix: if in the "proxy_pass" directive was no the URI part, then 
       the main request URI was transferred to a backend while proxying the 
       SSI subrequest.


Changes with nginx 0.3.25                                        01 Feb 2006

    *) Bugfix: the segmentation fault was occurred on start or while 
       reconfiguration if there was invalid configuration; the bug had 
       appeared in 0.3.24.


Changes with nginx 0.3.24                                        01 Feb 2006

    *) Workaround: for bug in FreeBSD kqueue.

    *) Bugfix: now a response generated by the "post_action" directive is 
       not transferred to a client.

    *) Bugfix: the memory leaks were occurring if many log files were used.

    *) Bugfix: the first "proxy_redirect" directive was working inside one 
       location.

    *) Bugfix: on 64-bit platforms segmentation fault may occurred on start 
       if the many names were used in the "server_name" directives; the bug 
       had appeared in 0.3.18.


Changes with nginx 0.3.23                                        24 Jan 2006

    *) Feature: the "optimize_host_names" directive.

    *) Bugfix: in using of the variables in the "path" and "alias" 
       directives.

    *) Bugfix: the ngx_http_perl_module was incorrectly built on Linux and 
       Solaris.


Changes with nginx 0.3.22                                        17 Jan 2006

    *) Feature: the ngx_http_perl_module supports the $r->args and 
       $r->unescape methods.

    *) Feature: the method $r->query_string of ngx_http_perl_module was 
       canceled.

    *) Bugfix: segmentation fault was occurred if the "none" or "blocked" 
       values was specified in the "valid_referers" directive; the bug had 
       appeared in 0.3.18.


Changes with nginx 0.3.21                                        16 Jan 2006

    *) Feature: the ngx_http_perl_module.

    *) Change: the "valid_referers" directive allows the referreres without 
       URI part.


Changes with nginx 0.3.20                                        11 Jan 2006

    *) Bugfix: in SSI handling.

    *) Bugfix: the ngx_http_memcached_module did not support the keys in 
       the "/usr?args" form.


Changes with nginx 0.3.19                                        28 Dec 2005

    *) Feature: the "path" and "alias" directives support the variables.

    *) Change: now the "valid_referers" directive again checks the URI part.

    *) Bugfix: in SSI handling.


Changes with nginx 0.3.18                                        26 Dec 2005

    *) Feature: the "server_names" directive supports the ".domain.tld" 
       names.

    *) Feature: the "server_names" directive uses the hash for the 
       "*.domain.tld" names and more effective hash for usual names.

    *) Change: the "server_names_hash_max_size" and 
       "server_names_hash_bucket_size" directives.

    *) Change: the "server_names_hash" and "server_names_hash_threshold" 
       directives were canceled.

    *) Feature: the "valid_referers" directive uses the hash site names.

    *) Change: now the "valid_referers" directive checks the site names 
       only without the URI part.

    *) Bugfix: some ".domain.tld" names incorrectly processed by the 
       ngx_http_map_module.

    *) Bugfix: segmentation fault was occurred if configuration file did 
       not exist; the bug had appeared in 0.3.12.

    *) Bugfix: on 64-bit platforms segmentation fault may occurred on 
       start; the bug had appeared in 0.3.16.


Changes with nginx 0.3.17                                        18 Dec 2005

    *) Change: now on Linux configure checks the presence of epoll and 
       sendfile64() in kernel.

    *) Feature: the "map" directive supports domain names in the 
       ".domain.tld" form.

    *) Bugfix: the timeouts were not used in SSL handshake; the bug had 
       appeared in 0.2.4.

    *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.

    *) Bugfix: when the HTTPS protocol was used in the "proxy_pass" 
       directive the port 80 was used by default.


Changes with nginx 0.3.16                                        16 Dec 2005

    *) Feature: the ngx_http_map_module.

    *) Feature: the "types_hash_max_size" and "types_hash_bucket_size" 
       directives.

    *) Feature: the "ssi_value_length" directive.

    *) Feature: the "worker_rlimit_core" directive.

    *) Workaround: the connection number in logs was always 1 if nginx was 
       built by the icc 8.1 or 9.0 compilers with optimization for 
       Pentium 4.

    *) Bugfix: the "config timefmt" SSI command set incorrect time format.

    *) Bugfix: nginx did not close connection to IMAP/POP3 backend for the 
       SSL connections; the bug had appeared in 0.3.13.
       Thanks to Rob Mueller.

    *) Bugfix: segmentation fault may occurred in at SSL shutdown; the bug 
       had appeared in 0.3.13.


Changes with nginx 0.3.15                                        07 Dec 2005

    *) Feature: the new 444 code of the "return" directive to close 
       connection.

    *) Feature: the "so_keepalive" directive in IMAP/POP3 proxy.

    *) Bugfix: if there are unclosed connection nginx now calls abort() 
       only on gracefull quit and active "debug_points" directive.


Changes with nginx 0.3.14                                        05 Dec 2005

    *) Bugfix: in the 304 response the body was transferred; the bug had 
       appeared in 0.3.13.


Changes with nginx 0.3.13                                        05 Dec 2005

    *) Feature: the IMAP/POP3 proxy supports STARTTLS and STLS.

    *) Bugfix: the IMAP/POP3 proxy did not work with the select, poll, and 
       /dev/poll methods.

    *) Bugfix: in SSI handling.

    *) Bugfix: now Solaris sendfilev() is not used to transfer the client 
       request body to FastCGI-server via the unix domain socket.

    *) Bugfix: the "auth_basic" directive did not disable the 
       authorization; the bug had appeared in 0.3.11.


Changes with nginx 0.3.12                                        26 Nov 2005

    *) Security: if nginx was built with the ngx_http_realip_module and the 
       "satisfy_any on" directive was used, then access and authorization 
       directives did not work. The ngx_http_realip_module was not built 
       and is not built by default.

    *) Change: the "$time_gmt" variable name was changed to "$time_local".

    *) Change: the "proxy_header_buffer_size" and 
       "fastcgi_header_buffer_size" directives was renamed to the 
       "proxy_buffer_size" and "fastcgi_buffer_size" directives.

    *) Feature: the ngx_http_memcached_module.

    *) Feature: the "proxy_buffering" directive.

    *) Bugfix: the changes in accept mutex handling when the "rtsig" method 
       was used; the bug had appeared in 0.3.0.

    *) Bugfix: if the client sent the "Transfer-Encoding: chunked" header 
       line, then nginx returns the 411 error.

    *) Bugfix: if the "auth_basic" directive was inherited from the http 
       level, then the realm in the "WWW-Authenticate" header line was 
       without the "Basic realm" text.

    *) Bugfix: if the "combined" format was explicitly specified in the 
       "access_log" directive, then the empty lines was written to the log; 
       the bug had appeared in 0.3.8.

    *) Bugfix: nginx did not run on the sparc platform under any OS except 
       Solaris.

    *) Bugfix: now it is not necessary to place space between the quoted 
       string and closing bracket in the "if" directive.


Changes with nginx 0.3.11                                        15 Nov 2005

    *) Bugfix: nginx did not pass the client request headers and body while 
       proxying; the bug had appeared in 0.3.10.


Changes with nginx 0.3.10                                        15 Nov 2005

    *) Change: the "valid_referers" directive and the "$invalid_referer" 
       variable were moved to the new ngx_http_referer_module from the 
       ngx_http_rewrite_module.

    *) Change: the "$apache_bytes_sent" variable name was changed to 
       "$body_bytes_sent".

    *) Feature: the "$sent_http_..." variables.

    *) Feature: the "if" directive supports the "=" and "!=" operations.

    *) Feature: the "proxy_pass" directive supports the HTTPS protocol.

    *) Feature: the "proxy_set_body" directive.

    *) Feature: the "post_action" directive.

    *) Feature: the ngx_http_empty_gif_module.

    *) Feature: the "worker_cpu_affinity" directive for Linux.

    *) Bugfix: the "rewrite" directive did not unescape URI part in 
       redirect, now it is unescaped except the %00-%25 and %7F-%FF 
       characters.

    *) Bugfix: nginx could not be built by the icc 9.0 compiler.

    *) Bugfix: if the SSI was enabled for zero size static file, then the 
       chunked response was encoded incorrectly.


Changes with nginx 0.3.9                                         10 Nov 2005

    *) Bugfix: nginx considered URI as unsafe if two any symbols was 
       between two slashes; the bug had appeared in 0.3.8.


Changes with nginx 0.3.8                                         09 Nov 2005

    *) Security: nginx now checks URI got from a backend in 
       "X-Accel-Redirect" header line or in SSI file for the "/../" paths 
       and zeroes.

    *) Change: nginx now does not treat the empty user name in the 
       "Authorization" header line as valid one.

    *) Feature: the "ssl_session_timeout" directives of the 
       ngx_http_ssl_module and ngx_imap_ssl_module.

    *) Feature: the "auth_http_header" directive of the 
       ngx_imap_auth_http_module.

    *) Feature: the "add_header" directive.

    *) Feature: the ngx_http_realip_module.

    *) Feature: the new variables to use in the "log_format" directive: 
       $bytes_sent, $apache_bytes_sent, $status, $time_gmt, $uri, 
       $request_time, $request_length, $upstream_status, 
       $upstream_response_time, $gzip_ratio, $uid_got, $uid_set, 
       $connection, $pipe, and $msec. The parameters in the "%name" form 
       will be canceled soon.

    *) Change: now the false variable values in the "if" directive are the 
       empty string "" and string starting with "0".

    *) Bugfix: while using proxied or FastCGI-server nginx may leave 
       connections and temporary files with client requests in open state.

    *) Bugfix: the worker processes did not flush the buffered logs on 
       graceful exit.

    *) Bugfix: if the request URI was changes by the "rewrite" directive 
       and the request was proxied in location given by regular expression, 
       then the incorrect request was transferred to backend; the bug had 
       appeared in 0.2.6.

    *) Bugfix: the "expires" directive did not remove the previous 
       "Expires" header.

    *) Bugfix: nginx may stop to accept requests if the "rtsig" method and 
       several worker processes were used.

    *) Bugfix: the "\"" and "\'" escape symbols were incorrectly handled in 
       SSI commands.

    *) Bugfix: if the response was ended just after the SSI command and 
       gzipping was used, then the response did not transferred complete or 
       did not transferred at all.


Changes with nginx 0.3.7                                         27 Oct 2005

    *) Feature: the "access_log" supports the "buffer=" parameter.

    *) Bugfix: nginx could not be built on platforms different from i386, 
       amd64, sparc, and ppc; the bug had appeared in 0.3.2.


Changes with nginx 0.3.6                                         24 Oct 2005

    *) Change: now the IMAP/POP3 proxy do not send the empty login to 
       authorization server.

    *) Feature: the "log_format" supports the variables in the $name form.

    *) Bugfix: if at least in one server was no the "listen" directive, 
       then nginx did not listen on the 80 port; the bug had appeared in 
       0.3.3.

    *) Bugfix: if the URI part is omitted in "proxy_pass" directive, the 
       the 80 port was always used.


Changes with nginx 0.3.5                                         21 Oct 2005

    *) Bugfix: the segmentation fault may occurred if the IMAP/POP3 login 
       was changed by authorization server; the bug had appeared in 0.2.2.

    *) Bugfix: the accept mutex did not work and all connections were 
       handled by one process; the bug had appeared in 0.3.3.

    *) Bugfix: the timeout did not work if the "rtsig" method and the 
       "timer_resolution" directive were used.


Changes with nginx 0.3.4                                         19 Oct 2005

    *) Bugfix: nginx could not be built on Linux 2.4+ and MacOS X; the bug 
       had appeared in 0.3.3.


Changes with nginx 0.3.3                                         19 Oct 2005

    *) Change: the "bl" and "af" parameters of the "listen" directive was 
       renamed to the "backlog" and "accept_filter".

    *) Feature: the "rcvbuf" and "sndbuf" parameters of the "listen" 
       directive.

    *) Change: the "$msec" log parameter does not require now the 
       additional the gettimeofday() system call.

    *) Feature: the -t switch now tests the "listen" directives.

    *) Bugfix: if the invalid address was specified in the "listen" 
       directive, then after the -HUP signal nginx left an open socket in 
       the CLOSED state.

    *) Bugfix: the mime type may be incorrectly set to default value for 
       index file with variable in the name; the bug had appeared in 0.3.0.

    *) Feature: the "timer_resolution" directive.

    *) Feature: the millisecond "$upstream_response_time" log parameter.

    *) Bugfix: a temporary file with client request body now is removed 
       just after the response header was transferred to a client.

    *) Bugfix: OpenSSL 0.9.6 compatibility.

    *) Bugfix: the SSL certificate and key file paths could not be relative.

    *) Bugfix: the "ssl_prefer_server_ciphers" directive did not work in 
       the ngx_imap_ssl_module.

    *) Bugfix: the "ssl_protocols" directive allowed to specify the single 
       protocol only.


Changes with nginx 0.3.2                                         12 Oct 2005

    *) Feature: the Sun Studio 10 C compiler support.

    *) Feature: the "proxy_upstream_max_fails", 
       "proxy_upstream_fail_timeout", "fastcgi_upstream_max_fails", and 
       "fastcgi_upstream_fail_timeout" directives.


Changes with nginx 0.3.1                                         10 Oct 2005

    *) Bugfix: the segmentation fault occurred when the signal queue 
       overflowed if the "rtsig" method was used; the bug had appeared in 
       0.2.0.

    *) Change: correct handling of the "\\", "\"", "\'", and "\$" pairs in 
       SSI.


Changes with nginx 0.3.0                                         07 Oct 2005

    *) Change: the 10-days live time limit of worker process was 
       eliminated. The limit was introduced because of millisecond timers 
       overflow.


Changes with nginx 0.2.6                                         05 Oct 2005

    *) Change: while using load-balancing the time before the failed 
       backend retry was decreased from 60 to 10 seconds.

    *) Change: the "proxy_pass_unparsed_uri" was canceled, the original URI 
       now passed, if the URI part is omitted in "proxy_pass" directive.

    *) Feature: the "error_page" directive supports redirects and allows 
       more flexible to change an error code.

    *) Change: the charset in the "Content-Type" header line now is ignored 
       in proxied subrequests.

    *) Bugfix: if the URI was changed in the "if" block and request did not 
       found new configuration, then the ngx_http_rewrite_module rules ran 
       again.

    *) Bugfix: if the "set" directive set the ngx_http_geo_module variable 
       in some configuration part, the this variable was not available in 
       other configuration parts and the "using uninitialized variable" 
       error was occurred; the bug had appeared in 0.2.2.


Changes with nginx 0.2.5                                         04 Oct 2005

    *) Change: the duplicate value of the ngx_http_geo_module variable now 
       causes the warning and changes old value.

    *) Feature: the ngx_http_ssi_module supports the "set" command.

    *) Feature: the ngx_http_ssi_module supports the "file" parameter in 
       the "include" command.

    *) Feature: the ngx_http_ssi_module supports the variable value 
       substitutions in expressions of the "if" command.


Changes with nginx 0.2.4                                         03 Oct 2005

    *) Feature: the ngx_http_ssi_module supports "$var=text", "$var!=text", 
       "$var=/text/", and "$var!=/text/" expressions in the "if" command.

    *) Bugfix: in proxying location without trailing slash; the bug had 
       appeared in 0.1.44.

    *) Bugfix: the segmentation fault may occurred if the "rtsig" method 
       was used; the bug had appeared in 0.2.0.


Changes with nginx 0.2.3                                         30 Sep 2005

    *) Bugfix: nginx could not be built without the --with-debug option; 
       the bug had appeared in 0.2.2.


Changes with nginx 0.2.2                                         30 Sep 2005

    *) Feature: the "config errmsg" command of the ngx_http_ssi_module.

    *) Change: the ngx_http_geo_module variables can be overridden by the 
       "set" directive.

    *) Feature: the "ssl_protocols" and "ssl_prefer_server_ciphers" 
       directives of the ngx_http_ssl_module and ngx_imap_ssl_module.

    *) Bugfix: the ngx_http_autoindex_module did not show correctly the 
       long file names;

    *) Bugfix: the ngx_http_autoindex_module now do not show the files 
       starting by dot.

    *) Bugfix: if the SSL handshake failed then another connection may be 
       closed too.
       Thanks to Rob Mueller.

    *) Bugfix: the export versions of MSIE 5.x could not connect via HTTPS.


Changes with nginx 0.2.1                                         23 Sep 2005

    *) Bugfix: if all backend using in load-balancing failed after one 
       error, then nginx may got caught in an endless loop; the bug had 
       appeared in 0.2.0.


Changes with nginx 0.2.0                                         23 Sep 2005

    *) The pid-file names used during online upgrade was changed and now is 
       not required a manual rename operation. The old master process adds 
       the ".oldbin" suffix to its pid-file and executes a new binary file. 
       The new master process creates usual pid-file without the ".newbin" 
       suffix. If the master process exits, then old master process renames 
       back its pid-file with the ".oldbin" suffix to the pid-file without 
       suffix.

    *) Change: the "worker_connections" directive, new name of the 
       "connections" directive; now the directive specifies maximum number 
       of connections, but not maximum socket descriptor number.

    *) Feature: SSL supports the session cache inside one worker process.

    *) Feature: the "satisfy_any" directive.

    *) Change: the ngx_http_access_module and ngx_http_auth_basic_module do 
       not run for subrequests.

    *) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending" 
       directives.

    *) Bugfix: if all backend using in load-balancing failed after one 
       error, then nginx did not try do connect to them during 60 seconds.

    *) Bugfix: in IMAP/POP3 command argument parsing.
       Thanks to Rob Mueller.

    *) Bugfix: errors while using SSL in IMAP/POP3 proxy.

    *) Bugfix: errors while using SSI and gzipping.

    *) Bugfix: the "Expires" and "Cache-Control" header lines were omitted 
       from the 304 responses.
       Thanks to Alexandr Kukushkin.


Changes with nginx 0.1.45                                        08 Sep 2005

    *) Change: the "ssl_engine" directive was canceled in the 
       ngx_http_ssl_module and now is introduced at global level.

    *) Bugfix: the responses with SSI subrequests did not transferred via 
       SSL connection.

    *) Various bug fixes in the IMAP/POP3 proxy.


Changes with nginx 0.1.44                                        06 Sep 2005

    *) Feature: the IMAP/POP3 proxy supports SSL.

    *) Feature: the "proxy_timeout" directive of the ngx_imap_proxy_module.

    *) Feature: the "userid_mark" directive.

    *) Feature: the $remote_user variable value is determined independently 
       of authorization use.


Changes with nginx 0.1.43                                        30 Aug 2005

    *) Feature: the listen(2) backlog in the "listen" directive can be 
       changed using the -HUP signal.

    *) Feature: the geo2nginx.pl script was added to contrib.

    *) Change: the FastCGI parameters with the empty values now are passed 
       to a server.

    *) Bugfix: the segmentation fault occurred or the worker process may 
       got caught in an endless loop if the proxied or FastCGI server sent 
       the "Cache-Control" header line and the "expires" directive was 
       used; in the proxied mode the the bug had appeared in 0.1.29.


Changes with nginx 0.1.42                                        23 Aug 2005

    *) Bugfix: if the request URI had a zero length after the processing in 
       the ngx_http_proxy_module, then the segmentation fault or bus error 
       occurred in the ngx_http_proxy_module.

    *) Bugfix: the "limit_rate" directive did not work inside the "if" 
       block; the bug had appeared in 0.1.38.


Changes with nginx 0.1.41                                        25 Jul 2005

    *) Bugfix: if the variable was used in the configuration file, then it 
       can not be used in SSI.


Changes with nginx 0.1.40                                        22 Jul 2005

    *) Bugfix: if a client sent too long header line, then the request 
       information did not logged in the error log.

    *) Bugfix: the "Set-Cookie" header line was not transferred when the 
       "X-Accel-Redirect" was used; the bug had appeared in 0.1.39.

    *) Bugfix: the "Content-Disposition" header line was not transferred 
       when the "X-Accel-Redirect" was used.

    *) Bugfix: the master process did not close the listen socket on the 
       SIGQUIT signal.

    *) Bugfix: after on-line upgrade on Linux and Solaris the process name 
       became shorter in the "ps" command.


Changes with nginx 0.1.39                                        14 Jul 2005

    *) The changes in the ngx_http_charset_module: the "default_charset" 
       directive was canceled; the "charset" directive sets the response 
       charset; the "source_charset" directive sets the source charset only.

    *) Bugfix: the backend "WWW-Authenticate" header line did not 
       transferred while the 401 response code redirecting.

    *) Bugfix: the ngx_http_proxy_module and ngx_http_fastcgi_module may 
       close a connection before anything was transferred to a client; the 
       bug had appeared in 0.1.38.

    *) Workaround: the Linux glibc crypt_r() initialization bug.

    *) Bugfix: the ngx_http_ssi_module did not support the relative URI in 
       the "include virtual" command.

    *) Bugfix: if the backend response had the "Location" header line and 
       nginx should not rewrite this line, then the 500 code response body 
       was transferred; the bug had appeared in 0.1.29.

    *) Bugfix: some directives of the ngx_http_proxy_module and 
       ngx_http_fastcgi_module were not inherited from the server to the 
       location level; the bug had appeared in 0.1.29.

    *) Bugfix: the ngx_http_ssl_module did not support the certificate 
       chain.

    *) Bugfix: the ngx_http_autoindex_module did not show correctly the 
       long file names; the bug had appeared in 0.1.38.

    *) Bugfixes in IMAP/POP3 proxy in interaction with a backend at the 
       login state.


Changes with nginx 0.1.38                                        08 Jul 2005

    *) Feature: the "limit_rate" directive is supported in in proxy and 
       FastCGI mode.

    *) Feature: the "X-Accel-Limit-Rate" response header line is supported 
       in proxy and FastCGI mode.

    *) Feature: the "break" directive.

    *) Feature: the "log_not_found" directive.

    *) Bugfix: the response status code was not changed when request was 
       redirected by the ""X-Accel-Redirect" header line.

    *) Bugfix: the variables set by the "set" directive could not be used 
       in SSI.

    *) Bugfix: the segmentation fault may occurred if the SSI page has more 
       than one remote subrequest.

    *) Bugfix: nginx treated the backend response as invalid if the status 
       line in the header was transferred in two packets; the bug had 
       appeared in 0.1.29.

    *) Feature: the "ssi_types" directive.

    *) Feature: the "autoindex_exact_size" directive.

    *) Bugfix: the ngx_http_autoindex_module did not support the long file 
       names in UTF-8.

    *) Feature: the IMAP/POP3 proxy.


Changes with nginx 0.1.37                                        23 Jun 2005

    *) Change: now the "\n" is added to the end of the "nginx.pid" file.

    *) Bugfix: the responses may be transferred not completely, if many 
       parts or the big parts were included by SSI.

    *) Bugfix: if all backends had returned the 404 reponse and the 
       "http_404" parameter of the "proxy_next_upstream" or 
       "fastcgi_next_upstream" directives was used, then nginx started to 
       request all backends again.


Changes with nginx 0.1.36                                        15 Jun 2005

    *) Change: if the request header has duplicate the "Host", 
       "Connection", "Content-Length", or "Authorization" lines, then nginx 
       now returns the 400 error.

    *) Change: the "post_accept_timeout" directive was canceled.

    *) Feature: the "default", "af=", "bl=", "deferred", and "bind" 
       parameters of the "listen" directive.

    *) Feature: the FreeBSD accept filters support.

    *) Feature: the Linux TCP_DEFER_ACCEPT support.

    *) Bugfix: the ngx_http_autoindex_module did not support the file names 
       in UTF-8.

    *) Bugfix: the new log file can be rotated by the -USR1 signal only if 
       the reconfiguration by the -HUP signal was made twice.


Changes with nginx 0.1.35                                        07 Jun 2005

    *) Feature: the "working_directory" directive.

    *) Feature: the "port_in_redirect" directive.

    *) Bugfix: the segmentation fault was occurred if the backend response 
       header was in several packets; the bug had appeared in 0.1.29.

    *) Bugfix: if more than 10 servers were configured or some server did 
       not use the "listen" directive, then the segmentation fault was 
       occurred on the start.

    *) Bugfix: the segmentation fault might occur if the response was 
       bigger than the temporary file.

    *) Bugfix: nginx returned the 400 response on requests like 
       "GET http://www.domain.com/uri HTTP/1.0"; the bug had appeared in 
       0.1.28.


Changes with nginx 0.1.34                                        26 May 2005

    *) Bugfix: the worker process may got caught in an endless loop if the 
       big response part were include by SSI.

    *) Bugfix: the variables set by the "set" directive were not available 
       in SSI.

    *) Feature: the "autoindex_localtime" directive.

    *) Bugfix: the empty value of the "proxy_set_header" directive forbids 
       the client request header line passing.


Changes with nginx 0.1.33                                        23 May 2005

    *) Bugfix: nginx could not be built with the --without-pcre parameter; 
       the bug had appeared in 0.1.29.

    *) Bugfix: 3, 4, 7, and 8 the "proxy_set_header" directives in one 
       level cause the bus fault on start up.

    *) Bugfix: the HTTP protocol was specified in the HTTPS redirects.

    *) Bugfix: if the "rewrite" directive used the captures inside the "if" 
       directive, then the 500 error code was returned.


Changes with nginx 0.1.32                                        19 May 2005

    *) Bugfix: the arguments were omitted in the redirects, issued by the 
       "rewrite" directive; the bug had appeared in 0.1.29.

    *) Feature: the "if" directive supports the captures in regular 
       expressions.

    *) Feature: the "set" directive supports the variables and the captures 
       of regular expressions.

    *) Feature: the "X-Accel-Redirect" response header line is supported in 
       proxy and FastCGI mode.


Changes with nginx 0.1.31                                        16 May 2005

    *) Bugfix: the response encrypted by SSL may not transferred complete.

    *) Bugfix: errors while processing FastCGI response by SSI.

    *) Bugfix: errors while using SSI and gzipping.

    *) Bugfix: the redirect with the 301 code was transferred without 
       response body; the bug had appeared in 0.1.30.


Changes with nginx 0.1.30                                        14 May 2005

    *) Bugfix: the worker process may got caught in an endless loop if the 
       SSI was used.

    *) Bugfix: the response encrypted by SSL may not transferred complete.

    *) Bugfix: if the length of the response part received at once from 
       proxied or FastCGI server was equal to 500, then nginx returns the 
       500 response code; in proxy mode the the bug had appeared in 0.1.29 
       only.

    *) Bugfix: nginx did not consider the directives with 8 or 9 parameters 
       as invalid.

    *) Feature: the "return" directive can return the 204 response code.

    *) Feature: the "ignore_invalid_headers" directive.


Changes with nginx 0.1.29                                        12 May 2005

    *) Feature: the ngx_http_ssi_module supports "include virtual" command.

    *) Feature: the ngx_http_ssi_module supports the condition command like 
       'if expr="$NAME"' and "else" and "endif" commands. Only one nested 
       level is supported.

    *) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and 
       DATE_GMT variables and "config timefmt" command.

    *) Feature: the "ssi_ignore_recycled_buffers" directive.

    *) Bugfix: the "echo" command did not show the default value for the 
       empty QUERY_STRING variable.

    *) Change: the ngx_http_proxy_module was rewritten.

    *) Feature: the "proxy_redirect", "proxy_pass_request_headers", 
       "proxy_pass_request_body", and "proxy_method" directives.

    *) Feature: the "proxy_set_header" directive. The "proxy_x_var" was 
       canceled and must be replaced with the proxy_set_header directive.

    *) Change: the "proxy_preserve_host" is canceled and must be replaced 
       with the "proxy_set_header Host $host" and the "proxy_redirect off" 
       directives, the "proxy_set_header Host $host:$proxy_port" directive 
       and the appropriate proxy_redirect directives.

    *) Change: the "proxy_set_x_real_ip" is canceled and must be replaced 
       with the "proxy_set_header X-Real-IP $remote_addr" directive.

    *) Change: the "proxy_add_x_forwarded_for" is canceled and must be 
       replaced with 
       the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for" 
       directive.

    *) Change: the "proxy_set_x_url" is canceled and must be replaced with 
       the "proxy_set_header X-URL http://$host:$server_port$request_uri" 
       directive.

    *) Feature: the "fastcgi_param" directive.

    *) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params" 
       directive are canceled and must be replaced with the fastcgi_param 
       directives.

    *) Feature: the "index" directive can use the variables.

    *) Feature: the "index" directive can be used at http and server levels.

    *) Change: the last index only in the "index" directive can be absolute.

    *) Feature: the "rewrite" directive can use the variables.

    *) Feature: the "internal" directive.

    *) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR, 
       SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME, 
       REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables.

    *) Change: nginx now passes the invalid lines in a client request 
       headers or a backend response header.

    *) Bugfix: if the backend did not transfer response for a long time and 
       the "send_timeout" was less than "proxy_read_timeout", then nginx 
       returned the 408 response.

    *) Bugfix: the segmentation fault was occurred if the backend sent an 
       invalid line in response header; the bug had appeared in 0.1.26.

    *) Bugfix: the segmentation fault may occurred in FastCGI fault 
       tolerance configuration.

    *) Bugfix: the "expires" directive did not remove the previous 
       "Expires" and "Cache-Control" headers.

    *) Bugfix: nginx did not take into account trailing dot in "Host" 
       header line.

    *) Bugfix: the ngx_http_auth_module did not work under Linux.

    *) Bugfix: the rewrite directive worked incorrectly, if the arguments 
       were in a request.

    *) Bugfix: nginx could not be built on MacOS X.


Changes with nginx 0.1.28                                        08 Apr 2005

    *) Bugfix: nginx hogs CPU while proxying the huge files.

    *) Bugfix: nginx could not be built by gcc 4.0 on Linux.


Changes with nginx 0.1.27                                        28 Mar 2005

    *) Feature: the "blocked" parameter of the "valid_referers" directive.

    *) Change: the errors while handling the request header now logged at 
       "info" level. The server name and the "Host" and "Referer" header 
       lines also logged.

    *) Change: the "Host" header line is also logged in error log.

    *) Feature: the proxy_pass_unparsed_uri directive. The special handling 
       of the "://" symbols in URI, appeared in 0.1.11 version, now is 
       canceled.

    *) Bugfix: nginx could not be built on FreeBSD and Linux, if the 
       --without-ngx_http_auth_basic_module configuration parameter was 
       used.


Changes with nginx 0.1.26                                        22 Mar 2005

    *) Change: the invalid client header lines are now ignored and logged 
       at the info level.

    *) Change: the server name is also logged in error log.

    *) Feature: the ngx_http_auth_basic_module module and the auth_basic 
       and auth_basic_user_file directives.


Changes with nginx 0.1.25                                        19 Mar 2005

    *) Bugfix: nginx did run on Linux parisc.

    *) Feature: nginx now does not start under FreeBSD if the sysctl 
       kern.ipc.somaxconn value is too big.

    *) Bugfix: if a request was internally redirected by the 
       ngx_http_index_module module to the ngx_http_proxy_module or 
       ngx_http_fastcgi_module modules, then the index file was not closed 
       after request completion.

    *) Feature: the "proxy_pass" can be used in location with regular 
       expression.

    *) Feature: the ngx_http_rewrite_filter_module module supports the 
       condition like "if ($HTTP_USER_AGENT ~ MSIE)".

    *) Bugfix: nginx started too slow if the large number of addresses and 
       text values were used in the "geo" directive.

    *) Change: a variable name must be declared as "$name" in the "geo" 
       directive. The previous variant without "$" is still supported, but 
       will be removed soon.

    *) Feature: the "%{VARIABLE}v" logging parameter.

    *) Feature: the "set $name value" directive.

    *) Bugfix: gcc 4.0 compatibility.

    *) Feature: the --with-openssl-opt=OPTIONS autoconfiguration directive.


Changes with nginx 0.1.24                                        04 Mar 2005

    *) Feature: the ngx_http_ssi_filter_module supports the QUERY_STRING 
       and DOCUMENT_URI variables.

    *) Bugfix: the ngx_http_autoindex_module may some times return the 404 
       response for existent directory, if this directory was used in 
       "alias" directive.

    *) Bugfix: the ngx_http_ssi_filter_module ran incorrectly for large 
       responses.

    *) Bugfix: the lack of the "Referer" header line was always accounted 
       as valid referrer.


Changes with nginx 0.1.23                                        01 Mar 2005

    *) Feature: the ngx_http_ssi_filter_module and the ssi, 
       ssi_silent_errors, and ssi_min_file_chunk directives. The 'echo 
       var="HTTP_..." default=""' and 'echo var="REMOTE_ADDR"' commands are 
       supported.

    *) Feature: the %request_time log parameter.

    *) Feature: if the request has no the "Host" header line, then the 
       "proxy_preserve_host" directive set this header line to the first 
       server name of the "server_name" directive.

    *) Bugfix: nginx could not be built on platforms different from i386, 
       amd64, sparc, and ppc; the bug had appeared in 0.1.22.

    *) Bugfix: the ngx_http_autoindex_module now shows the information not 
       about the symlink, but about file or directory it points to.

    *) Bugfix: the %apache_length parameter logged the negative length of 
       the response header if the no response was transferred to a client.


Changes with nginx 0.1.22                                        22 Feb 2005

    *) Bugfix: the ngx_http_stub_status_module showed incorrect handled 
       connections statistics if the proxying or FastCGI server were used.

    *) Bugfix: the installation paths were incorrectly quoted on Linux and 
       Solaris; the bug had appeared in 0.1.21.


Changes with nginx 0.1.21                                        22 Feb 2005

    *) Bugfix: the ngx_http_stub_status_module showed incorrect statistics 
       if "rtsig" method was used or if several worker process ran on SMP.

    *) Bugfix: nginx could not be built by the icc compiler on Linux or if 
       the zlib-1.2.x library was building from sources.

    *) Bugfix: nginx could not be built on NetBSD 2.0.


Changes with nginx 0.1.20                                        17 Feb 2005

    *) Feature: the new "script_filename" and "remote_port" parameters of 
       the fastcgi_params directive.

    *) Bugfix: the FastCGI stderr stream was handled incorrectly.


Changes with nginx 0.1.19                                        16 Feb 2005

    *) Bugfix: now, if request contains the zero, then the 404 error is 
       returned for the local requests.

    *) Bugfix: nginx could not be built on NetBSD 2.0.

    *) Bugfix: the timeout may occur while reading of the the client 
       request body via SSL connections.


Changes with nginx 0.1.18                                        09 Feb 2005

    *) Workaround: the default values of the devpoll_events and the 
       devpoll_changes directives changed from 512 to 32 to be compatible 
       with Solaris 10.

    *) Bugfix: the proxy_set_x_var and fastcgi_set_var directives were not 
       inherited.

    *) Bugfix: in a redirect rewrite directive arguments were concatenated 
       with URI by an "&" rather than a "?".

    *) Bugfix: the lines without trailing ";" in the file being included by 
       the ngx_http_geo_module were silently ignored.

    *) Feature: the ngx_http_stub_status_module.

    *) Bugfix: the unknown log format in the access_log directive caused 
       the segmentation fault.

    *) Feature: the new "document_root" parameter of the fastcgi_params 
       directive.

    *) Feature: the fastcgi_redirect_errors directive.

    *) Feature: the new "break" modifier of the "rewrite" directive allows 
       to stop the rewrite/location cycle and sets the current 
       configuration to the request.


Changes with nginx 0.1.17                                        03 Feb 2005

    *) Change: the ngx_http_rewrite_module was rewritten from the scratch. 
       Now it is possible to redirect, to return the error codes, to check 
       the variables and referrers. The directives can be used inside 
       locations. The redirect directive was canceled.

    *) Feature: the ngx_http_geo_module.

    *) Feature: the proxy_set_x_var and fastcgi_set_var directives.

    *) Bugfix: the location configuration with "=" modifier may be used in 
       another location.

    *) Bugfix: the correct content type was set only for requests that use 
       small caps letters in extension.

    *) Bugfix: if the proxy_pass or fastcgi_pass directives were set in the 
       location, and access was denied, and the error was redirected to a 
       static page, then the segmentation fault occurred.

    *) Bugfix: if in a proxied "Location" header was a relative URL, then a 
       host name and a slash were added to them; the bug had appeared in 
       0.1.14.

    *) Bugfix: the system error message was not logged on Linux.


Changes with nginx 0.1.16                                        25 Jan 2005

    *) Bugfix: if the response were transferred by chunks, then on the HEAD 
       request the final chunk was issued.

    *) Bugfix: the "Connection: keep-alive" header were issued, even if the 
       keepalive_timeout directive forbade the keep-alive use.

    *) Bugfix: the errors in the ngx_http_fastcgi_module caused the 
       segmentation faults.

    *) Bugfix: the compressed response encrypted by SSL may not transferred 
       complete.

    *) Bugfix: the TCP-specific TCP_NODELAY, TCP_NOPSUH, and TCP_CORK 
       options, are not used for the unix domain sockets.

    *) Feature: the rewrite directive supports the arguments rewriting.

    *) Bugfix: the response code 400 was returned for the POST request with 
       the "Content-Length: 0" header; the bug had appeared in 0.1.14.


Changes with nginx 0.1.15                                        19 Jan 2005

    *) Bugfix: the error while the connecting to the FastCGI server caused 
       segmentation fault.

    *) Bugfix: the correct handling of the regular expression, that has 
       different number of the captures and substitutions.

    *) Feature: the location, that is passed to the FastCGI server, can be 
       regular expression.

    *) Bugfix: the FastCGI's parameter REQUEST_URI is now passed with the 
       arguments and in the original state.

    *) Bugfix: the ngx_http_rewrite_module module was required to be built 
       to use the regular expressions in locations.

    *) Bugfix: the directive "proxy_preserve_host  on" adds port 80 to the 
       "Host" headers, if upstream listen on port 80; the bug had appeared 
       in 0.1.14.

    *) Bugfix: the same paths in autoconfiguration parameters 
       --http-client-body-temp-path=PATH and --http-proxy-temp-path=PATH, 
       or --http-client-body-temp-path=PATH and 
       --http-fastcgi-temp-path=PATH caused segmentation fault.


Changes with nginx 0.1.14                                        18 Jan 2005

    *) Feature: the autoconfiguration directives: 
       --http-client-body-temp-path=PATH, --http-proxy-temp-path=PATH, and 
       --http-fastcgi-temp-path=PATH

    *) Change: the directory name for the temporary files with the client 
       request body is specified by directive client_body_temp_path, by 
       default it is <prefix>/client_body_temp.

    *) Feature: the ngx_http_fastcgi_module and the directives: 
       fastcgi_pass, fastcgi_root, fastcgi_index, fastcgi_params, 
       fastcgi_connect_timeout, fastcgi_send_timeout, fastcgi_read_timeout, 
       fastcgi_send_lowat, fastcgi_header_buffer_size, fastcgi_buffers, 
       fastcgi_busy_buffers_size, fastcgi_temp_path, 
       fastcgi_max_temp_file_size, fastcgi_temp_file_write_size, 
       fastcgi_next_upstream, and fastcgi_x_powered_by.

    *) Bugfix: the "[alert] zero size buf" error; the bug had appeared in 
       0.1.3.

    *) Change: the URI must be specified after the host name in the 
       proxy_pass directive.

    *) Change: the %3F symbol in the URI was considered as the argument 
       string start.

    *) Feature: the unix domain sockets support in the 
       ngx_http_proxy_module.

    *) Feature: the ssl_engine and ssl_ciphers directives.
       Thanks to Sergey Skvortsov for SSL-accelerator.


Changes with nginx 0.1.13                                        21 Dec 2004

    *) Feature: the server_names_hash and server_names_hash_threshold 
       directives.

    *) Bugfix: the *.domain.tld names in the "server_name" directive did 
       not work.

    *) Bugfix: the %request_length log parameter logged the incorrect 
       length.


Changes with nginx 0.1.12                                        06 Dec 2004

    *) Feature: the %request_length log parameter.

    *) Bugfix: when using the /dev/poll, select and poll on the platforms, 
       where these methods may do the false reports, there may be the long 
       delay when the request was passed via the keep-alive connection. It 
       may be at least on Solaris when using the /dev/poll.

    *) Bugfix: the send_lowat directive is ignored on Linux because Linux 
       does not support the SO_SNDLOWAT option.


Changes with nginx 0.1.11                                        02 Dec 2004

    *) Feature: the worker_priority directive.

    *) Change: both tcp_nopush and tcp_nodelay directives affect the 
       transferred response.

    *) Bugfix: nginx did not call initgroups().
       Thanks to Andrew Sitnikov and Andrei Nigmatulin.

    *) Change: now the ngx_http_autoindex_module shows the file size in the 
       bytes.

    *) Bugfix: the ngx_http_autoindex_module returned the 500 error if the 
       broken symlink was in a directory.

    *) Bugfix: the files bigger than 4G could not be transferred using 
       sendfile.

    *) Bugfix: if the backend was resolved to several backends and there 
       was an error while the response waiting then process may got caught 
       in an endless loop.

    *) Bugfix: the worker process may exit with the "unknown cycle" message 
       when the /dev/poll method was used.

    *) Bugfix: "close() channel failed" errors.

    *) Bugfix: the autodetection of the "nobody" and "nogroup" groups.

    *) Bugfix: the send_lowat directive did not work on Linux.

    *) Bugfix: the segmentation fault occurred if there was no events 
       section in configuration.

    *) Bugfix: nginx could not be built on OpenBSD.

    *) Bugfix: the double slashes in "://" in the URI were converted to 
       ":/".


Changes with nginx 0.1.10                                        26 Nov 2004

    *) Bugfix: if the request without arguments contains "//", "/./", 
       "/../" or "%XX" then the last character in the request line was 
       lost; the bug had appeared in 0.1.9.

    *) Bugfix: the fix in 0.1.9 for the files bigger than 2G on Linux did 
       not work.


Changes with nginx 0.1.9                                         25 Nov 2004

    *) Bugfix: the proxied request was sent without arguments if the 
       request contains "//", "/./", "/../" or "%XX".

    *) Bugfix: the large compressed responses may be transferred not 
       completely.

    *) Bugfix: the files bigger than 2G was not transferred on Linux that 
       does not support sendfile64().

    *) Bugfix: while the build configuration on Linux the 
       --with-poll_module parameter was required; the bug had appeared in 
       0.1.8.


Changes with nginx 0.1.8                                         20 Nov 2004

    *) Bugfix: in the ngx_http_autoindex_module if the long file names were 
       in the listing.

    *) Feature: the "^~" modifier in the location directive.

    *) Feature: the proxy_max_temp_file_size directive.


Changes with nginx 0.1.7                                         12 Nov 2004

    *) Bugfix: on FreeBSD the segmentation fault may occur if the size of 
       the transferred file was changed; the bug had appeared in 0.1.5.


Changes with nginx 0.1.6                                         11 Nov 2004

    *) Bugfix: some location directive combinations with the regular 
       expressions caused the wrong configuration choose.


Changes with nginx 0.1.5                                         11 Nov 2004

    *) Bugfix: on Solaris and Linux there may be too many "recvmsg() 
       returned not enough data" alerts.

    *) Bugfix: there were the "writev() failed (22: Invalid argument)" 
       errors on Solaris in proxy mode without sendfile. On other platforms 
       that do not support sendfile at all the process got caught in an 
       endless loop.

    *) Bugfix: segmentation fault on Solaris in proxy mode and using 
       sendfile.

    *) Bugfix: segmentation fault on Solaris.

    *) Bugfix: on-line upgrade did not work on Linux.

    *) Bugfix: the ngx_http_autoindex_module module did not escape the 
       spaces, the quotes, and the percent signs in the directory listing.

    *) Change: the decrease of the copy operations.

    *) Feature: the userid_p3p directive.


Changes with nginx 0.1.4                                         26 Oct 2004

    *) Bugfix: in the ngx_http_autoindex_module.


Changes with nginx 0.1.3                                         25 Oct 2004

    *) Feature: the ngx_http_autoindex_module and the autoindex directive.

    *) Feature: the proxy_set_x_url directive.

    *) Bugfix: proxy module may get caught in an endless loop when sendfile 
       is not used.


Changes with nginx 0.1.2                                         21 Oct 2004

    *) Feature: the --user=USER, --group=GROUP, and --with-ld-opt=OPTIONS 
       options in configure.

    *) Feature: the server_name directive supports *.domain.tld.

    *) Bugfix: the portability improvements.

    *) Bugfix: if configuration file was set in command line, the 
       reconfiguration was impossible; the bug had appeared in 0.1.1.

    *) Bugfix: proxy module may get caught in an endless loop when sendfile 
       is not used.

    *) Bugfix: with sendfile the response was not recoded according to the 
       charset module directives; the bug had appeared in 0.1.1.

    *) Bugfix: very seldom bug in the kqueue processing.

    *) Bugfix: the gzip module compressed the proxied responses that was 
       already compressed.


Changes with nginx 0.1.1                                         11 Oct 2004

    *) Feature: the gzip_types directive.

    *) Feature: the tcp_nodelay directive.

    *) Feature: the send_lowat directive is working not only on OSes that 
       support kqueue NOTE_LOWAT, but also on OSes that support SO_SNDLOWAT.

    *) Feature: the setproctitle() emulation for Linux and Solaris.

    *) Bugfix: the "Location" header rewrite bug fixed while the proxying.

    *) Bugfix: the ngx_http_chunked_module module may get caught in an 
       endless loop.

    *) Bugfix: the /dev/poll module bugs fixed.

    *) Bugfix: the responses were corrupted when the temporary files were 
       used while the proxying.

    *) Bugfix: the unescaped requests were passed to the backend.

    *) Bugfix: while the build configuration on Linux 2.4 the 
       --with-poll_module parameter was required.


Changes with nginx 0.1.0                                         04 Oct 2004

    *) The first public version.