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authorDaniel Earl Poirier <poirier@apache.org>2010-02-05 02:48:34 +0000
committerDaniel Earl Poirier <poirier@apache.org>2010-02-05 02:48:34 +0000
commit507e7472c6253d1055e631b01e780e358a1b38d4 (patch)
treee270592eb774297a0c53802201b2272f803773eb /docs/manual/configuring.xml
parenta73f54ac6a04129d64c4e265953423c762ac61d6 (diff)
downloadhttpd-507e7472c6253d1055e631b01e780e358a1b38d4.tar.gz
Be specific about which environment variables can be used in
expansions in the server configuration file. git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@906779 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'docs/manual/configuring.xml')
-rw-r--r--docs/manual/configuring.xml6
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/manual/configuring.xml b/docs/manual/configuring.xml
index 390a88ca85..c0efc00e3d 100644
--- a/docs/manual/configuring.xml
+++ b/docs/manual/configuring.xml
@@ -87,6 +87,12 @@ HTTP server.</p>
unchanged for use by later stages in the config file
processing.)</p>
+ <p>Only environment variables defined before the server is started
+ can be used in expansions. Variables defined in the
+ configuration file itself, for example with <directive
+ module="mod_env">SetEnv</directive>, take effect too late to be
+ used for expansions in the configuration file.</p>
+
<p>The maximum length of a line in the configuration file, after
environment-variable substitution, joining any continued lines and
removing leading and trailing white space, is 8192 characters.</p>