diff options
| author | Gerald Carter <jerry@samba.org> | 2001-02-21 15:12:55 +0000 |
|---|---|---|
| committer | Gerald Carter <jerry@samba.org> | 2001-02-21 15:12:55 +0000 |
| commit | f29e7f522f831db15409825cbd61709e46acb2b5 (patch) | |
| tree | afcccee0b6a46148a8f784ab926a3e1db5c95a0d /docs | |
| parent | e7108a18b2ba5754d402d72492cbcfded2713472 (diff) | |
| download | samba-f29e7f522f831db15409825cbd61709e46acb2b5.tar.gz | |
update as we go. Almost there....
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/docbook/smb.conf.5.sgml | 4036 |
1 files changed, 3951 insertions, 85 deletions
diff --git a/docs/docbook/smb.conf.5.sgml b/docs/docbook/smb.conf.5.sgml index ed2dd53f5d6..16d72a01ce6 100644 --- a/docs/docbook/smb.conf.5.sgml +++ b/docs/docbook/smb.conf.5.sgml @@ -25,7 +25,7 @@ </refsect1> <refsect1> - <title>FILE FORMAT</title> + <title id="fileformatsect">FILE FORMAT</title> <para>The file consists of sections and parameters. A section begins with the name of the section in square brackets and continues @@ -47,10 +47,10 @@ value is discarded. Internal whitespace within a parameter value is retained verbatim.</para> - <para>Any line beginning with a semicolon (';') or a hash ('#') + <para>Any line beginning with a semicolon (';') or a hash ('#') character is ignored, as are lines containing only whitespace.</para> - <para>Any line ending in a \ is "continued" + <para>Any line ending in a '\' is continued on the next line in the customary UNIX fashion.</para> <para>The values following the equals sign in parameters are all @@ -64,13 +64,13 @@ <title>SECTION DESCRIPTIONS</title> <para>Each section in the configuration file (except for the - [global] section) describes a shared resource (known - as a "share"). The section name is the name of the + [global] section) describes a shared resource (known + as a "share"). The section name is the name of the shared resource and the parameters within the section define the shares attributes.</para> - <para>There are three special sections, [global], - [homes] and [printers], which are + <para>There are three special sections, [global], + [homes] and [printers], which are described under <emphasis>special sections</emphasis>. The following notes apply to ordinary section descriptions.</para> @@ -92,7 +92,7 @@ <para>Sections other than guest services will require a password to access them. The client provides the username. As older clients only provide passwords and not usernames, you may specify a list - of usernames to check against the password using the "user=" + of usernames to check against the password using the "user=" option in the share definition. For modern clients such as Windows 95/98/ME/NT/2000, this should not be necessary.</para> @@ -103,7 +103,7 @@ <para>The following sample section defines a file space share. The user has write access to the path <filename>/home/bar</filename>. - The share is accessed via the share name "foo":</para> + The share is accessed via the share name "foo":</para> <screen> <computeroutput> @@ -135,16 +135,16 @@ <title>SPECIAL SECTIONS</title> <refsect2> - <title>The [global] section</title> + <title>The [global] section</title> - <para>Parameters in this section apply to the server + <para>parameters in this section apply to the server as a whole, or are defaults for sections which do not specifically define certain items. See the notes - under PARAMETERS for more information.</para> + under paraMETERS for more information.</para> </refsect2> <refsect2> - <title>The [homes] section</title> + <title id="homesect">The [homes] section</title> <para>If a section called homes is included in the configuration file, services connecting clients to their @@ -155,7 +155,7 @@ match is found, the requested section name is treated as a user name and looked up in the local password file. If the name exists and the correct password has been given, a share is - created by cloning the [homes] section.</para> + created by cloning the [homes] section.</para> <para>Some modifications are then made to the newly created share:</para> @@ -169,10 +169,10 @@ </itemizedlist> <para>If you decide to use a <emphasis>path=</emphasis> line - in your [homes] section then you may find it useful - to use the %S macro. For example :</para> + in your [homes] section then you may find it useful + to use the %S macro. For example :</para> - <para><userinput>path=/data/pchome/%S</userinput></para> + <para><userinput>path=/data/pchome/%S</userinput></para> <para>would be useful if you have different home directories for your PCs than for UNIX access.</para> @@ -182,14 +182,14 @@ of fuss.</para> <para>A similar process occurs if the requested section - name is "homes", except that the share name is not + name is "homes", except that the share name is not changed to that of the requesting user. This method of using - the [homes] section works well if different users share + the [homes] section works well if different users share a client PC.</para> - <para>The [homes] section can specify all the parameters + <para>The [homes] section can specify all the parameters a normal service section can specify, though some make more sense - than others. The following is a typical and suitable [homes] + than others. The following is a typical and suitable [homes] section:</para> <screen> @@ -200,7 +200,7 @@ </screen> <para>An important point is that if guest access is specified - in the [homes] section, all home directories will be + in the [homes] section, all home directories will be visible to all clients <emphasis>without a password</emphasis>. In the very unlikely event that this is actually desirable, it would be wise to also specify <emphasis>read only @@ -208,30 +208,30 @@ <para>Note that the <emphasis>browseable</emphasis> flag for auto home directories will be inherited from the global browseable - flag, not the [homes] browseable flag. This is useful as - it means setting browseable=no in the [homes] section - will hide the [homes] share but make any auto home + flag, not the [homes] browseable flag. This is useful as + it means setting browseable=no in the [homes] section + will hide the [homes] share but make any auto home directories visible.</para> </refsect2> <refsect2> - <title>The [printers] section</title> + <title id="printersect">The [printers] section</title> - <para>This section works like [homes], + <para>This section works like [homes], but for printers.</para> - <para>If a [printers] section occurs in the + <para>If a [printers] section occurs in the configuration file, users are able to connect to any printer specified in the local host's printcap file.</para> <para>When a connection request is made, the existing sections are scanned. If a match is found, it is used. If no match is found, - but a [homes] section exists, it is used as described + but a [homes] section exists, it is used as described above. Otherwise, the requested section name is treated as a printer name and the appropriate printcap file is scanned to see if the requested section name is a valid printer share name. If a match is found, a new printer share is created by cloning - the [printers] section.</para> + the [printers] section.</para> <para>A few modifications are then made to the newly created share:</para> @@ -248,13 +248,13 @@ printer name.</para></listitem> </itemizedlist> - <para>Note that the [printers] service MUST be + <para>Note that the [printers] service MUST be printable - if you specify otherwise, the server will refuse to load the configuration file.</para> <para>Typically the path specified would be that of a world-writeable spool directory with the sticky bit set on - it. A typical [printers] entry would look like + it. A typical [printers] entry would look like this:</para> <screen><computeroutput> @@ -277,7 +277,7 @@ </screen> <para>Each alias should be an acceptable printer name for - your printing subsystem. In the [global] section, specify + your printing subsystem. In the [global] section, specify the new file as your printcap. The server will then only recognize names found in your pseudo-printcap, which of course can contain whatever aliases you like. The same technique could be used @@ -286,35 +286,35 @@ <para>An alias, by the way, is defined as any component of the first entry of a printcap record. Records are separated by newlines, components (if there are more than one) are separated by vertical - bar symbols ("|").</para> + bar symbols ('|').</para> <para>NOTE: On SYSV systems which use lpstat to determine what printers are defined on the system you may be able to use - "printcap name = lpstat" to automatically obtain a list - of printers. See the "printcap name" option + "printcap name = lpstat" to automatically obtain a list + of printers. See the "printcap name" option for more details.</para> </refsect2> </refsect1> <refsect1> - <title>PARAMETRS</title> + <title>paraMETRS</title> - <para>Parameters define the specific attributes of sections.</para> + <para>parameters define the specific attributes of sections.</para> - <para>Some parameters are specific to the [global] section + <para>Some parameters are specific to the [global] section (e.g., <emphasis>security</emphasis>). Some parameters are usable in all sections (e.g., <emphasis>create mode</emphasis>). All others are permissible only in normal sections. For the purposes of the - following descriptions the [homes] and [printers] + following descriptions the [homes] and [printers] sections will be considered normal. The letter <emphasis>G</emphasis> in parentheses indicates that a parameter is specific to the - [global] section. The letter <emphasis>S</emphasis> + [global] section. The letter <emphasis>S</emphasis> indicates that a parameter can be specified in a service specific section. Note that all <emphasis>S</emphasis> parameters can also be specified in - the [global] section - in which case they will define + the [global] section - in which case they will define the default behavior for all services.</para> - <para>Parameters are arranged here in alphabetical order - this may + <para>parameters are arranged here in alphabetical order - this may not create best bedfellows, but at least you can find them! Where there are synonyms, the preferred synonym is described, others refer to the preferred synonym.</para> @@ -324,9 +324,9 @@ <title>VARIABLE SUBSTITUTIONS</title> <para>Many of the strings that are settable in the config file - can take substitutions. For example the option "path = - /tmp/%u" would be interpreted as "path = - /tmp/john" if the user connected with the username john.</para> + can take substitutions. For example the option "path = + /tmp/%u" would be interpreted as "path = + /tmp/john" if the user connected with the username john.</para> <para>These substitutions are mostly noted in the descriptions below, but there are some general substitutions which apply whenever they @@ -334,128 +334,128 @@ <variablelist> <varlistentry> - <term>%S</term> + <term>%S</term> <listitem><para>the name of the current service, if any.</para> </listitem> </varlistentry> <varlistentry> - <term>%P</term> + <term>%P</term> <listitem><para>the root directory of the current service, if any.</para></listitem> </varlistentry> <varlistentry> - <term>%u</term> + <term>%u</term> <listitem><para>user name of the current service, if any.</para> </listitem> </varlistentry> <varlistentry> - <term>%g</term> - <listitem><para>primary group name of %u.</para></listitem> + <term>%g</term> + <listitem><para>primary group name of %u.</para></listitem> </varlistentry> <varlistentry> - <term>%U</term> + <term>%U</term> <listitem><para>session user name (the user name that the client wanted, not necessarily the same as the one they got).</para></listitem> </varlistentry> <varlistentry> - <term>%G</term> - <listitem><para>primary group name of %U.</para></listitem> + <term>%G</term> + <listitem><para>primary group name of %U.</para></listitem> </varlistentry> <varlistentry> - <term>%H</term> + <term>%H</term> <listitem><para>the home directory of the user given - by %u.</para></listitem> + by %u.</para></listitem> </varlistentry> <varlistentry> - <term>%v</term> + <term>%v</term> <listitem><para>the Samba version.</para></listitem> </varlistentry> <varlistentry> - <term>%h</term> + <term>%h</term> <listitem><para>the internet hostname that Samba is running on.</para></listitem> </varlistentry> <varlistentry> - <term>%m</term> + <term>%m</term> <listitem><para>the NetBIOS name of the client machine (very useful).</para></listitem> </varlistentry> <varlistentry> - <term>%L</term> + <term>%L</term> <listitem><para>the NetBIOS name of the server. This allows you to change your config based on what the client calls you. Your - server can have a "dual personality".</para></listitem> + server can have a "dual personality".</para></listitem> </varlistentry> <varlistentry> - <term>%M</term> + <term>%M</term> <listitem><para>the internet name of the client machine. </para></listitem> </varlistentry> <varlistentry> - <term>%N</term> + <term>%N</term> <listitem><para>the name of your NIS home directory server. This is obtained from your NIS auto.map entry. If you have not compiled Samba with the <emphasis>--with-automount</emphasis> - option then this value will be the same as %.</para> + option then this value will be the same as %.</para> </listitem> </varlistentry> <varlistentry> - <term>%p</term> + <term>%p</term> <listitem><para>the path of the service's home directory, obtained from your NIS auto.map entry. The NIS auto.map entry - is split up as "%N:%p".</para></listitem> + is split up as "%N:%p".</para></listitem> </varlistentry> <varlistentry> - <term>%R</term> + <term>%R</term> <listitem><para>the selected protocol level after protocol negotiation. It can be one of CORE, COREPLUS, LANMAN1, LANMAN2 or NT1.</para></listitem> </varlistentry> <varlistentry> - <term>%d</term> + <term>%d</term> <listitem><para>The process id of the current server process.</para></listitem> </varlistentry> <varlistentry> - <term>%a</term> + <term>%a</term> <listitem><para>the architecture of the remote machine. Only some are recognized, and those may not be - 100% reliable. It currently recognizes Samba, WfWg, + 100% reliable. It currently recognizes Samba, WfWg, WinNT and Win95. Anything else will be known as - "UNKNOWN". If it gets it wrong then sending a level - 3 log to <ulink url="mailto:samba@samba.org">samba@samba.org + "UNKNOWN". If it gets it wrong then sending a level + 3 log to <ulink url="mailto:samba@samba.org">samba@samba.org </ulink> should allow it to be fixed.</para></listitem> </varlistentry> <varlistentry> - <term>%I</term> + <term>%I</term> <listitem><para>The IP address of the client machine.</para> </listitem> </varlistentry> <varlistentry> - <term>%T</term> + <term>%T</term> <listitem><para>the current date and time.</para></listitem> </varlistentry> <varlistentry> - <term>%$(<replaceable>envvar</replaceable>)</term> + <term>%$(<replaceable>envvar</replaceable>)</term> <listitem><para>The value of the environment variable <replaceable>envar</replaceable>.</para></listitem> </varlistentry> @@ -466,10 +466,66 @@ </refsect1> <refsect1> - <title>NAME MANGLING</title + <title id="namemanglingsect">NAME MANGLING</title> + + <para>Samba supports "name mangling" so that DOS and + Windows clients can use files that don't conform to the 8.3 format. + It can also be set to adjust the case of 8.3 format filenames.</para> + + <para>There are several options that control the way mangling is + performed, and they are grouped here rather than listed separately. + For the defaults look at the output of the testparm program. </para> + + <para>All of these options can be set separately for each service + (or globally, of course). </para> + + <para>The options are: </para> + + <variablelist> + + <varlistentry> + <term>mangle case= yes/no</term> + <listitem><para> controls if names that have characters that + aren't of the "default" case are mangled. For example, + if this is yes then a name like "Mail" would be mangled. + Default <emphasis>no</emphasis>.</para></listitem> + </varlistentry> + + <varlistentry> + <term>case sensitive = yes/no</term> + <listitem><para>controls whether filenames are case sensitive. If + they aren't then Samba must do a filename search and match on passed + names. Default <emphasis>no</emphasis>.</para></listitem> + </varlistentry> + + <varlistentry> + <term>default case = upper/lower</term> + <listitem><para>controls what the default case is for new + filenames. Default <emphasis>lower</emphasis>.</para></listitem> + </varlistentry> + + <varlistentry> + <term>preserve case = yes/no</term> + <listitem><para>controls if new files are created with the + case that the client passes, or if they are forced to be the + "default" case. Default <emphasis>yes</emphasis>. + </para></listitem> + </varlistentry> + + <varlistentry> + <term>short preserve case = yes/no</term> + <listitem><para>controls if new files which conform to 8.3 syntax, + that is all in upper case and of suitable length, are created + upper case, or if they are forced to be the "default" + case. This option can be use with "preserve case = yes" + to permit long filenames to retain their case, while short names + are lowered. Default <emphasis>yes</emphasis>.</para></listitem> + </varlistentry> + </variablelist> <para>By default, Samba 2.2 has the same semantics as a Windows NT server, in that it is case insensitive but case preserving.</para> + </refsect1> <refsect1> @@ -481,7 +537,7 @@ steps fail then the connection request is rejected. If one of the steps pass then the following steps are not checked.</para> - <para>If the service is marked "guest only = yes" then + <para>If the service is marked "guest only = yes" then steps 1 to 5 are skipped.</para> <orderedlist numeration="Arabic"> @@ -489,7 +545,7 @@ pair and that username/password pair is validated by the UNIX system's password programs then the connection is made as that username. Note that this includes the - \\server\service%username method of passing + \\server\service%<replaceable>username</replaceable> method of passing a username.</para></listitem> <listitem><para>If the client has previously registered a username @@ -505,19 +561,19 @@ username/password pair with the server and the client has passed the validation token then that username is used. </para></listitem> - <listitem><para>If a "user = " field is given in the + <listitem><para>If a "user = " field is given in the <filename>smb.conf</filename> file for the service and the client has supplied a password, and that password matches (according to the UNIX system's password checking) with one of the usernames - from the "user=" field then the connection is made as - the username in the "user=" line. If one - of the username in the "user=" list begins with a - @ then that name expands to a list of names in + from the "user=" field then the connection is made as + the username in the "user=" line. If one + of the username in the "user=" list begins with a + '@' then that name expands to a list of names in the group of the same name.</para></listitem> <listitem><para>If the service is a guest service then a - connection is made as the username given in the "guest - account =" for the service, irrespective of the + connection is made as the username given in the "guest + account =" for the service, irrespective of the supplied password.</para></listitem> </orderedlist> @@ -529,5 +585,3815 @@ <para>Here is a list of all global parameters. See the section of each parameter for details. Note that some are synonyms.</para> + <itemizedlist> + <listitem><para><parameter>add user script</parameter> </para></listitem> + <listitem><para><parameter>allow trusted domains</parameter> </para></listitem> + <listitem><para><parameter>announce as</parameter> </para></listitem> + <listitem><para><parameter>announce version</parameter> </para></listitem> + <listitem><para><parameter>auto services</parameter> </para></listitem> + <listitem><para><parameter>bind interfaces only</parameter> </para></listitem> + <listitem><para><parameter>browse list</parameter></para></listitem> + <listitem><para><parameter>change notify timeout</parameter> </para></listitem> + <listitem><para><parameter>character set</parameter> </para></listitem> + <listitem><para><parameter>client code page</parameter> </para></listitem> + <listitem><para><parameter>coding system</parameter></para></listitem> + <listitem><para><parameter>config file</parameter> </para></listitem> + <listitem><para><parameter>deadtime</parameter> </para></listitem> + <listitem><para><parameter>debug hires timestamp</parameter> </para></listitem> + <listitem><para><parameter>debug pid</parameter> </para></listitem> + <listitem><para><parameter>debug timestamp</parameter></para></listitem> + <listitem><para><parameter>debug uid</parameter> </para></listitem> + <listitem><para><parameter>debug level</parameter> </para></listitem> + <listitem><para><parameter>default</parameter> </para></listitem> + <listitem><para><parameter>default service</parameter> </para></listitem> + <listitem><para><parameter>delete user script</parameter> </para></listitem> + <listitem><para><parameter>dfree command</parameter> </para></listitem> + <listitem><para><parameter>dns proxy</parameter> </para></listitem> + <listitem><para><parameter>domain admin group</parameter> </para></listitem> + <listitem><para><parameter>domain admin users</parameter> </para></listitem> + <listitem><para><parameter>domain groups</parameter></para></listitem> + <listitem><para><parameter>domain guest group</parameter> </para></listitem> + <listitem><para><parameter>domain guest users</parameter> </para></listitem> + <listitem><para><parameter>domain logons</parameter> </para></listitem> + <listitem><para><parameter>domain master</parameter> </para></listitem> + <listitem><para><parameter>encrypt passwords</parameter> </para></listitem> + <listitem><para><parameter>getwd cache</parameter> </para></listitem> + <listitem><para><parameter>hide local users</parameter> </para></listitem> + <listitem><para><parameter>homedir map</parameter> </para></listitem> + <listitem><para><parameter>hosts equiv</parameter> </para></listitem> + <listitem><para><parameter>interfaces</parameter></para></listitem> + <listitem><para><parameter>keepalive</parameter> </para></listitem> + <listitem><para><parameter>kernel oplocks</parameter> </para></listitem> + <listitem><para><parameter>ldap filter</parameter> </para></listitem> + <listitem><para><parameter>ldap port</parameter> </para></listitem> + <listitem><para><parameter>ldap root</parameter> </para></listitem> + <listitem><para><parameter>ldap root passwd</parameter> </para></listitem> + <listitem><para><parameter>ldap server</parameter> </para></listitem> + <listitem><para><parameter>ldap suffix</parameter> </para></listitem> + <listitem><para><parameter>lm announce</parameter> </para></listitem> + <listitem><para><parameter>lm interval</parameter> </para></listitem> + <listitem><para><parameter>load printers</parameter></para></listitem> + <listitem><para><parameter>local master</parameter> </para></listitem> + <listitem><para><parameter>lock dir</parameter> </para></listitem> + <listitem><para><parameter>lock directory</parameter> </para></listitem> + <listitem><para><parameter>log file</parameter> </para></listitem> + <listitem><para><parameter>log level</parameter> </para></listitem> + <listitem><para><parameter>logon drive</parameter></para></listitem> + <listitem><para><parameter>logon home</parameter> </para></listitem> + <listitem><para><parameter>logon path</parameter> </para></listitem> + <listitem><para><parameter>logon script</parameter> </para></listitem> + <listitem><para><parameter>lpq cache time</parameter> </para></listitem> + <listitem><para><parameter>machine password timeout</parameter> </para></listitem> + <listitem><para><parameter>mangled stack</parameter> </para></listitem> + <listitem><para><parameter>map to guest</parameter> </para></listitem> + <listitem><para><parameter>max disk size</parameter> </para></listitem> + <listitem><para><parameter>max log size</parameter> </para></listitem> + <listitem><para><parameter>max mux</parameter> </para></listitem> + <listitem><para><parameter>max open files</parameter> </para></listitem> + <listitem><para><parameter>max packet</parameter> </para></listitem> + <listitem><para><parameter>max ttl</parameter> </para></listitem> + <listitem><para><parameter>max wins ttl</parameter> </para></listitem> + <listitem><para><parameter>max xmit</parameter> </para></listitem> + <listitem><para><parameter>message command</parameter> </para></listitem> + <listitem><para><parameter>min passwd length</parameter> </para></listitem> + <listitem><para><parameter>min password length</parameter> </para></listitem> + <listitem><para><parameter>min wins ttl</parameter> </para></listitem> + <listitem><para><parameter>name resolve order</parameter> </para></listitem> + <listitem><para><parameter>netbios aliases</parameter> </para></listitem> + <listitem><para><parameter>netbios name</parameter> </para></listitem> + <listitem><para><parameter>netbios scope</parameter> </para></listitem> + <listitem><para><parameter>nis homedir</parameter> </para></listitem> + <listitem><para><parameter>nt acl support</parameter> </para></listitem> + <listitem><para><parameter>nt pipe support</parameter> </para></listitem> + <listitem><para><parameter>nt smb support</parameter> </para></listitem> + <listitem><para><parameter>null passwords</parameter> </para></listitem> + <listitem><para><parameter>ole locking compatibility</parameter></para></listitem> + <listitem><para><parameter>oplock break wait time</parameter> </para></listitem> + <listitem><para><parameter>os level</parameter> </para></listitem> + <listitem><para><parameter>packet size</parameter> </para></listitem> + <listitem><para><parameter>panic action</parameter> </para></listitem> + <listitem><para><parameter>passwd chat</parameter></para></listitem> + <listitem><para><parameter>passwd chat debug</parameter> </para></listitem> + <listitem><para><parameter>passwd program</parameter> </para></listitem> + <listitem><para><parameter>password level</parameter> </para></listitem> + <listitem><para><parameter>password server</parameter> </para></listitem> + <listitem><para><parameter>prefered master</parameter> </para></listitem> + <listitem><para><parameter>preferred master</parameter> </para></listitem> + <listitem><para><parameter>preload</parameter> </para></listitem> + <listitem><para><parameter>printcap</parameter> </para></listitem> + <listitem><para><parameter>printcap name</parameter> </para></listitem> + <listitem><para><parameter>printer driver file</parameter> </para></listitem> + <listitem><para><parameter>private dir</parameter> </para></listitem> + <listitem><para><parameter>protocol</parameter> </para></listitem> + <listitem><para><parameter>read bmpx</parameter> </para></listitem> + <listitem><para><parameter>read prediction</parameter> </para></listitem> + <listitem><para><parameter>read raw</parameter> </para></listitem> + <listitem><para><parameter>read size</parameter> </para></listitem> + <listitem><para><parameter>remote announce</parameter> </para></listitem> + <listitem><para><parameter>remote browse sync</parameter> </para></listitem> + <listitem><para><parameter>restrict anonymous</parameter> </para></listitem> + <listitem><para><parameter>root</parameter> </para></listitem> + <listitem><para><parameter>root dir</parameter> </para></listitem> + <listitem><para><parameter>root directory</parameter> </para></listitem> + <listitem><para><parameter>security</parameter> </para></listitem> + <listitem><para><parameter>server string</parameter> </para></listitem> + <listitem><para><parameter>shared mem size</parameter> </para></listitem> + <listitem><para><parameter>smb passwd file</parameter> </para></listitem> + <listitem><para><parameter>smbrun</parameter> </para></listitem> + <listitem><para><parameter>socket address</parameter> </para></listitem> + <listitem><para><parameter>socket options</parameter> </para></listitem> + <listitem><para><parameter>source environment</parameter> </para></listitem> + <listitem><para><parameter>ssl</parameter> </para></listitem> + <listitem><para><parameter>ssl CA certDir</parameter> </para></listitem> + <listitem><para><parameter>ssl CA certFile</parameter> </para></listitem> + <listitem><para><parameter>ssl ciphers</parameter> </para></listitem> + <listitem><para><parameter>ssl client cert</parameter> </para></listitem> + <listitem><para><parameter>ssl client key</parameter></para></listitem> + <listitem><para><parameter>ssl compatibility</parameter> </para></listitem> + <listitem><para><parameter>ssl hosts</parameter> </para></listitem> + <listitem><para><parameter>ssl hosts resign</parameter> </para></listitem> + <listitem><para><parameter>ssl require clientcert</parameter></para></listitem> + <listitem><para><parameter>ssl require servercert</parameter> </para></listitem> + <listitem><para><parameter>ssl server cert</parameter> </para></listitem> + <listitem><para><parameter>ssl server key</parameter> </para></listitem> + <listitem><para><parameter>ssl version</parameter> </para></listitem> + <listitem><para><parameter>stat cache</parameter> </para></listitem> + <listitem><para><parameter>stat cache size</parameter> </para></listitem> + <listitem><para><parameter>strip dot</parameter> </para></listitem> + <listitem><para><parameter>syslog</parameter> </para></listitem> + <listitem><para><parameter>syslog only</parameter> </para></listitem> + <listitem><para><parameter>template homedir</parameter></para></listitem> + <listitem><para><parameter>template shell</parameter> </para></listitem> + <listitem><para><parameter>time offset</parameter> </para></listitem> + <listitem><para><parameter>time server</parameter> </para></listitem> + <listitem><para><parameter>timestamp logs</parameter> </para></listitem> + <listitem><para><parameter>unix password sync</parameter> </para></listitem> + <listitem><para><parameter>unix realname</parameter> </para></listitem> + <listitem><para><parameter>update encrypted</parameter> </para></listitem> + <listitem><para><parameter>use rhosts</parameter> </para></listitem> + <listitem><para><parameter>username level</parameter> </para></listitem> + <listitem><para><parameter>username map</parameter> </para></listitem> + <listitem><para><parameter>utmp directory</parameter> </para></listitem> + <listitem><para><parameter>valid chars</parameter> </para></listitem> + <listitem><para><parameter>winbind cache time</parameter> </para></listitem> + <listitem><para><parameter>winbind gid</parameter> </para></listitem> + <listitem><para><parameter>winbind uid</parameter> </para></listitem> + <listitem><para><parameter>wins hook</parameter> </para></listitem> + <listitem><para><parameter>wins proxy</parameter> </para></listitem> + <listitem><para><parameter>wins server</parameter> </para></listitem> + <listitem><para><parameter>wins support</parameter> </para></listitem> + <listitem><para><parameter>workgroup</parameter> </para></listitem> + <listitem><para><parameter>write raw</parameter> </para></listitem> + </itemizedlist> + </refsect1> + +<refsect1> + <title>COMPLETE LIST OF SERVICE PARAMETERS</title> + + <para>Here is a list of all service parameters. See the section of + each parameter for details. Note that some are synonyms.</para> + + <itemizedlist> + <listitem><para><parameter>admin users</parameter> </para></listitem> + <listitem><para><parameter>allow hosts</parameter> </para></listitem> + <listitem><para><parameter>alternate permissions</parameter> </para></listitem> + <listitem><para><parameter>available</parameter> </para></listitem> + <listitem><para><parameter>blocking locks</parameter></para></listitem> + <listitem><para><parameter>browsable</parameter> </para></listitem> + <listitem><para><parameter>browseable</parameter> </para></listitem> + <listitem><para><parameter>case sensitive</parameter> </para></listitem> + <listitem><para><parameter>casesignames</parameter> </para></listitem> + <listitem><para><parameter>comment</parameter> </para></listitem> + <listitem><para><parameter>copy</parameter> </para></listitem> + <listitem><para><parameter>create mask</parameter> </para></listitem> + <listitem><para><parameter>create mode</parameter> </para></listitem> + <listitem><para><parameter>default case</parameter> </para></listitem> + <listitem><para><parameter>delete readonly</parameter> </para></listitem> + <listitem><para><parameter>delete veto files</parameter> </para></listitem> + <listitem><para><parameter>deny hosts</parameter> </para></listitem> + <listitem><para><parameter>directory</parameter> </para></listitem> + <listitem><para><parameter>directory mask</parameter> </para></listitem> + <listitem><para><parameter>directory mode</parameter> </para></listitem> + <listitem><para><parameter>directory security mask</parameter></para></listitem> + <listitem><para><parameter>dont descend</parameter> </para></listitem> + <listitem><para><parameter>dos filetime resolution</parameter> </para></listitem> + <listitem><para><parameter>dos filetimes</parameter> </para></listitem> + <listitem><para><parameter>exec</parameter> </para></listitem> + <listitem><para><parameter>fake directory create times</parameter> </para></listitem> + <listitem><para><parameter>fake oplocks</parameter> </para></listitem> + <listitem><para><parameter>follow symlinks</parameter> </para></listitem> + <listitem><para><parameter>force create mode</parameter> </para></listitem> + <listitem><para><parameter>force directory mode</parameter> </para></listitem> + <listitem><para><parameter>force directory security mode</parameter> </para></listitem> + <listitem><para><parameter>force group</parameter> </para></listitem> + <listitem><para><parameter>force security mode</parameter> </para></listitem> + <listitem><para><parameter>force user</parameter> </para></listitem> + <listitem><para><parameter>fstype</parameter> </para></listitem> + <listitem><para><parameter>group</parameter> </para></listitem> + <listitem><para><parameter>guest account</parameter> </para></listitem> + <listitem><para><parameter>guest ok</parameter> </para></listitem> + <listitem><para><parameter>guest only</parameter> </para></listitem> + <listitem><para><parameter>hide dot files</parameter></para></listitem> + <listitem><para><parameter>hide files</parameter> </para></listitem> + <listitem><para><parameter>hosts allow</parameter> </para></listitem> + <listitem><para><parameter>hosts deny</parameter> </para></listitem> + <listitem><para><parameter>include</parameter> </para></listitem> + <listitem><para><parameter>inherit permissions</parameter> </para></listitem> + <listitem><para><parameter>invalid users</parameter> </para></listitem> + <listitem><para><parameter>level2 oplocks</parameter> </para></listitem> + <listitem><para><parameter>locking</parameter> </para></listitem> + <listitem><para><parameter>lppause command</parameter> </para></listitem> + <listitem><para><parameter>lpq command</parameter> </para></listitem> + <listitem><para><parameter>lpresume command</parameter> </para></listitem> + <listitem><para><parameter>lprm command</parameter> </para></listitem> + <listitem><para><parameter>magic output</parameter> </para></listitem> + <listitem><para><parameter>magic script</parameter> </para></listitem> + <listitem><para><parameter>mangle case</parameter> </para></listitem> + <listitem><para><parameter>mangle locks</parameter> </para></listitem> + <listitem><para><parameter>mangled map</parameter> </para></listitem> + <listitem><para><parameter>mangled names</parameter> </para></listitem> + <listitem><para><parameter>mangling char</parameter> </para></listitem> + <listitem><para><parameter>map archive</parameter> </para></listitem> + <listitem><para><parameter>map hidden</parameter></para></listitem> + <listitem><para><parameter>map system</parameter> </para></listitem> + <listitem><para><parameter>max connections</parameter> </para></listitem> + <listitem><para><parameter>min print space</parameter> </para></listitem> + <listitem><para><parameter>only guest</parameter> </para></listitem> + <listitem><para><parameter>only user</parameter> </para></listitem> + <listitem><para><parameter>oplock contention limit</parameter> </para></listitem> + <listitem><para><parameter>oplocks</parameter> </para></listitem> + <listitem><para><parameter>path</parameter> </para></listitem> + <listitem><para><parameter>postexec</parameter> </para></listitem> + <listitem><para><parameter>postscript</parameter> </para></listitem> + <listitem><para><parameter>preexec</parameter> </para></listitem> + <listitem><para><parameter>preexec close</parameter> </para></listitem> + <listitem><para><parameter>preserve case</parameter> </para></listitem> + <listitem><para><parameter>print command</parameter> </para></listitem> + <listitem><para><parameter>print ok</parameter> </para></listitem> + <listitem><para><parameter>printable</parameter> </para></listitem> + <listitem><para><parameter>printer</parameter> </para></listitem> + <listitem><para><parameter>printer admin</parameter> </para></listitem> + <listitem><para><parameter>printer driver</parameter> </para></listitem> + <listitem><para><parameter>printer driver location</parameter> </para></listitem> + <listitem><para><parameter>printer name</parameter> </para></listitem> + <listitem><para><parameter>printing</parameter></para></listitem> + <listitem><para><parameter>public</parameter> </para></listitem> + <listitem><para><parameter>queuepause command</parameter> </para></listitem> + <listitem><para><parameter>queueresume command</parameter> </para></listitem> + <listitem><para><parameter>read list</parameter> </para></listitem> + <listitem><para><parameter>read only</parameter></para></listitem> + <listitem><para><parameter>root postexec</parameter> </para></listitem> + <listitem><para><parameter>root preexec</parameter> </para></listitem> + <listitem><para><parameter>root preexec close</parameter> </para></listitem> + <listitem><para><parameter>security mask</parameter> </para></listitem> + <listitem><para><parameter>set directory</parameter></para></listitem> + <listitem><para><parameter>share modes</parameter> </para></listitem> + <listitem><para><parameter>short preserve case</parameter> </para></listitem> + <listitem><para><parameter>status</parameter> </para></listitem> + <listitem><para><parameter>strict locking</parameter> </para></listitem> + <listitem><para><parameter>strict sync</parameter></para></listitem> + <listitem><para><parameter>sync always</parameter> </para></listitem> + <listitem><para><parameter>user</parameter> </para></listitem> + <listitem><para><parameter>username</parameter> </para></listitem> + <listitem><para><parameter>users</parameter> </para></listitem> + <listitem><para><parameter>utmp</parameter> </para></listitem> + <listitem><para><parameter>valid users</parameter> </para></listitem> + <listitem><para><parameter>veto files</parameter> </para></listitem> + <listitem><para><parameter>veto oplock files</parameter> </para></listitem> + <listitem><para><parameter>volume</parameter> </para></listitem> + <listitem><para><parameter>wide links</parameter> </para></listitem> + <listitem><para><parameter>writable</parameter> </para></listitem> + <listitem><para><parameter>write cache size</parameter> </para></listitem> + <listitem><para><parameter>write list</parameter></para></listitem> + <listitem><para><parameter>write ok</parameter> </para></listitem> + <listitem><para><parameter>writeable</parameter> </para></listitem> + </itemizedlist> + +</refsect1> + +<refsect1> + <title>EXPLANATION OF EACH PARAMETER</title> + + <variablelist> + + <varlistentry> + <term id="adduserscript">add user script (G)</term> + <listitem><para>This is the full pathname to a script that will + be run <emphasis>AS ROOT</emphasis> by <ulink url="smbd.8.html">smbd(8) + </ulink> under special circumstances decribed below.</para> + + <para>Normally, a Samba server requires that UNIX users are + created for all users accessing files on this server. For sites + that use Windows NT account databases as their primary user database + creating these users and keeping the user list in sync with the + Windows NT PDC is an onerous task. This option allows <ulink + url="smbd.8.html">smbd</ulink> to create the required UNIX users + <emphasis>ON DEMAND</emphasis> when a user accesses the Samba server.</para> + + <para>In order to use this option, <ulink url="smbd.8.html">smbd</ulink> + must be set to <parameter>security=server</parameter> or <parameter> + security=domain</parameter> and <parameter>add user script</parameter> + must be set to a full pathname for a script that will create a UNIX + user given one argument of <parameter>%u</parameter>, which expands into + the UNIX user name to create.</para> + + <para>When the Windows user attempts to access the Samba server, + at login (session setup in the SMB protocol) time, <ulink url="smbd.8.html"> + smbd</ulink> contacts the <parameter>password server</parameter> and + attempts to authenticate the given user with the given password. If the + authentication succeeds then <ulink url="smbd.8.html">smbd</ulink> + attempts to find a UNIX user in the UNIX password database to map the + Windows user into. If this lookup fails, and <parameter>add user script + </parameter> is set then <ulink url="smbd.8.html">smbd</ulink> will + call the specified script <emphasis>AS ROOT</emphasis>, expanding + any <parameter>%u</parameter> argument to be the user name to create.</para> + + <para>If this script successfully creates the user then <ulink + url="smbd.8.html">smbd</ulink> will continue on as though the UNIX user + already existed. In this way, UNIX users are dynamically created to + match existing Windows NT accounts.</para> + + <para>See also <ulink url="smb.conf.5.html#security"><parameter> + security</parameter></ulink>, <ulink url="smb.conf.5.html#passwordserver"> + <parameter>password server</parameter></ulink>, <ulink + url="smb.conf.5.html#deleteuserscript"><parameter>delete user + script</parameter></ulink>.</para> + + <para>Default: <command>add user script = <empty string> + </command></para> + + <para>Example: <command>add user script = /usr/local/samba/bin/add_user + %u</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="adminusers">admin users (S)</term> + <listitem><para>This is a list of users who will be granted + administrative privileges on the share. This means that they + will do all file operations as the super-user (root).</para> + + <para>You should use this option very carefully, as any user in + this list will be able to do anything they like on the share, + irrespective of file permissions.</para> + + <para>Default: <emphasis>no admin users</emphasis></para> + + <para>Example: <command>admin users = jason</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="allowhosts">allow hosts (S)</term> + <listitem><para>Synonym for <ulink url="smb.conf.5.html#hostsallow"> + <parameter>hosts allow</parameter></ulink>.</para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="allowtrusteddomains">allow trusted domains (G)</term> + <listitem><para>This option only takes effect when the <ulink + url="smb.conf.5.html">security</ulink> option is set to + <parameter>server</parameter> or <parameter>domain</parameter>. + If it is set to no, then attempts to connect to a resource from + a domain or workgroup other than the one which smbd is running + in will fail, even if that domain is trusted by the remote server + doing the authentication.</para> + + <para>This is useful if you only want your Samba server to + serve resources to users in the domain it is a member of. As + an example, suppose that there are two domains DOMA and DOMB. DOMB + is trusted by DOMA, which contains the Samba server. Under normal + circumstances, a user with an account in DOMB can then access the + resources of a UNIX account with the same account name on the + Samba server even if they do not have an account in DOMA. This + can make implementing a security boundary difficult.</para> + + <para>Default: <command>allow trusted domains = yes</command></para> + + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="announceas">announce as (G)</term> + <listitem><para>This specifies what type of server + <ulink url="nmbd.8.html"><command>nmbd</command></ulink> + will announce itself as, to a network neighborhood browse + list. By default this is set to Windows NT. The valid options + are : "NT" (which is a synonym for "NT Server"), "NT Server", + "NT Workstation", "Win95" or "WfW" meaning Windows NT Server, + Windows NT Workstation, Windows 95 and Windows for Workgroups + respectively. Do not change this parameter unless you have a + specific need to stop Samba appearing as an NT server as this + may prevent Samba servers from participating as browser servers + correctly.</para> + + <para>Default: <command>announce as = NT Server</command></para> + + <para>Example: <command>announce as = Win95</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="annouceversion">annouce version (G)</term> + <listitem><para>This specifies the major and minor version numbers + that nmbd will use when announcing itself as a server. The default + is 4.2. Do not change this parameter unless you have a specific + need to set a Samba server to be a downlevel server.</para> + + <para>Default: <command>announce version = 4.2</command></para> + + <para>Example: <command>announce version = 2.0</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="autoservices">auto services (G)</term> + <listitem><para>This is a list of services that you want to be + automatically added to the browse lists. This is most useful + for homes and printers services that would otherwise not be + visible.</para> + + <para>Note that if you just want all printers in your + printcap file loaded then the <ulink url="smb.conf.5.html#loadprinters"> + <parameter>load printers</parameter></ulink> option is easier.</para> + + <para>Default: <emphasis>no auto services</emphasis></para> + + <para>Example: <command>auto services = fred lp colorlp</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="available">available (S)</term> + <listitem><para>This parameter lets you "turn off" a service. If + <parameter>available = no</parameter>, then <emphasis>ALL</emphasis> + attempts to connect to the service will fail. Such failures are + logged.</para> + + <para>Default: <command>available = yes</command></para> + + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="bindinterfacesonly">bind interfaces only (G)</term> + <listitem><para>This global parameter allows the Samba admin + to limit what interfaces on a machine will serve smb requests. If + affects file service <ulink url="smbd.8.html">smbd(8)</ulink> and + name service <ulink url="nmbd.8.html">nmbd(8)</ulink> in slightly + different ways.</para> + + <para>For name service it causes <command>nmbd</command> to bind + to ports 137 and 138 on the interfaces listed in the <link + linkend="interfaces">interfaces</link> parameter. <command>nmbd + </command> also binds to the "all addresses" interface (0.0.0.0) + on ports 137 and 138 for the purposes of reading broadcast messages. + If this option is not set then <command>nmbd</command> will service + name requests on all of these sockets. If <parameter>bind interfaces + only</parameter> is set then <command>nmbd</command> will check the + source address of any packets coming in on the broadcast sockets + and discard any that don't match the broadcast addresses of the + interfaces in the <parameter>interfaces</parameter> parameter list. + As unicast packets are received on the other sockets it allows + <command>nmbd</command> to refuse to serve names to machines that + send packets that arrive through any interfaces not listed in the + <parameter>interfaces</parameter> list. IP Source address spoofing + does defeat this simple check, however so it must not be used + seriously as a security feature for <command>nmbd</command>.</para> + + <para>For file service it causes <ulink url="smbd.8.html">smbd(8)</ulink> + to bind only to the interface list given in the <link linkend="interfaces"> + interfaces</link> parameter. This restricts the networks that + <command>smbd</command> will serve to packets coming in those + interfaces. Note that you should not use this parameter for machines + that are serving PPP or other intermittent or non-broadcast network + interfaces as it will not cope with non-permanent interfaces.</para> + + <para>If <parameter>bind interfaces only</parameter> is set then + unless the network address <emphasis>127.0.0.1</emphasis> is added + to the <parameter>interfaces</parameter> parameter list <ulink + url="smbpasswd.8.html"><command>smbpasswd(8)</command></ulink> + and <ulink url="swat.8.html"><command>swat(8)</command></ulink> may + not work as expected due to the reasons covered below.</para> + + <para>To change a users SMB password, the <command>smbpasswd</command> + by default connects to the <emphasis>localhost - 127.0.0.1</emphasis> + address as an SMB client to issue the password change request. If + <parameter>bind interfaces only</parameter> is set then unless the + network address <emphasis>127.0.0.1</emphasis> is added to the + <parameter>interfaces</parameter> parameter list then <command> + smbpasswd</command> will fail to connect in it's default mode. + <command>smbpasswd</command> can be forced to use the primary IP interface + of the local host by using its <ulink url="smbpasswd.8.html#minusr"> + <parameter>-r <replaceable>remote machine</replaceable></parameter> + </ulink> parameter, with <replaceable>remote machine</replaceable> set + to the IP name of the primary interface of the local host.</para> + + <para>The <command>swat</command> status page tries to connect with + <command>smbd</command> and <command>nmbd</command> at the address + <emphasis>127.0.0.1</emphasis> to determine if they are running. + Not adding <emphasis>127.0.0.1</emphasis> will cause <command> + smbd</command> and <command>nmbd</command> to always show + "not running" even if they really are. This can prevent <command> + swat</command> from starting/stopping/restarting <command>smbd</command> + and <command>nmbd</command>.</para> + + <para>Default: <command>bind interfaces only = no</command></para> + + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="blockinglocks">blocking locks (S)</term> + <listitem><para>This parameter controls the behavior of <ulink + url="smbd.8.html">smbd(8)</ulink> when given a request by a client + to obtain a byte range lock on a region of an open file, and the + request has a time limit associated with it.</para> + + <para>If this parameter is set and the lock range requested + cannot be immediately satisfied, Samba 2.2 will internally + queue the lock request, and periodically attempt to obtain + the lock until the timeout period expires.</para> + + <para>If this parameter is set to <constant>False</constant>, then + Samba 2.2 will behave as previous versions of Samba would and + will fail the lock request immediately if the lock range + cannot be obtained.</para> + + <para>Default: <command>blocking locks = yes</command></para> + + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="browsable">browsable (S)</term> + <listitem><para>See the <link linkend="browseable"><parameter> + browseable</parameter></link>.</para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="browselist">browse list (G)</term> + <listitem><para>This controls whether <ulink url="smbd.8.html"> + <command>smbd(8)</command></ulink> will serve a browse list to + a client doing a <command>NetServerEnum</command> call. Normally + set to <constant>true</constant>. You should never need to change + this.</para> + + <para>Default: <command>browse list = yes</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="browseable">browseable (S)</term> + <listitem><para>This controls whether this share is seen in + the list of available shares in a net view and in the browse list.</para> + + <para>Default: <command>browseable = yes</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="casesensitive">case sensitive (S)</term> + <listitem><para>See the discussion in the section <link + linkend="namemanglingsect">NAME MANGLING</link>.</para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="casesignames">casesignames (S)</term> + <listitem><para>Synonym for <link linkend="casesensitive">case + sensitive</link>.</para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="changenotifytimeout">change notify timeout (G)</term> + <listitem><para>This SMB allows a client to tell a server to + "watch" a particular directory for any changes and only reply to + the SMB request when a change has occurred. Such constant scanning of + a directory is expensive under UNIX, hence an <ulink url="smbd.8.html"> + <command>smbd(8)</command></ulink> daemon only performs such a scan + on each requested directory once every <parameter>change notify + timeout</parameter> seconds.</para> + + <para>Default: <command>change notify timeout = 60</command></para> + <para>Example: <command>change notify timeout = 300</command></para> + + <para>Would change the scan time to every 5 minutes.</para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="characterset">character set (G)</term> + <listitem><para>This allows a smbd to map incoming filenames + from a DOS Code page (see the <link linkend="clientcodepage">client + code page</link> parameter) to several built in UNIX character sets. + The built in code page translations are:</para> + + <itemizedlist> + <listitem><para><constant>ISO8859-1</constant> : Western European + UNIX character set. The parameter <parameter>client code page</parameter> + <emphasis>MUST</emphasis> be set to code page 850 if the + <parameter>character set</parameter> parameter is set to + <constant>ISO8859-1</constant> in order for the conversion to the + UNIX character set to be done correctly.</para></listitem> + + <listitem><para><constant>ISO8859-2</constant> : Eastern European + UNIX character set. The parameter <parameter>client code page + </parameter> <emphasis>MUST</emphasis> be set to code page 852 if + the <parameter> character set</parameter> parameter is set + to <constant>ISO8859-2</constant> in order for the conversion + to the UNIX character set to be done correctly. </para></listitem> + + <listitem><para><constant>ISO8859-5</constant> : Russian Cyrillic + UNIX character set. The parameter <parameter>client code page + </parameter> <emphasis>MUST</emphasis> be set to code page + 866 if the <parameter>character set </parameter> parameter is + set to <constant>ISO8859-5</constant> in order for the conversion + to the UNIX character set to be done correctly. </para></listitem> + + <listitem><para><constant>ISO8859-7</constant> : Greek UNIX + character set. The parameter <parameter>client code page + </parameter> <emphasis>MUST</emphasis> be set to code page + 737 if the <parameter>character set</parameter> parameter is + set to <constant>ISO8859-7</constant> in order for the conversion + to the UNIX character set to be done correctly.</para></listitem> + + <listitem><para><constant>KOI8-R</constant> : Alternate mapping + for Russian Cyrillic UNIX character set. The parameter + <parameter>client code page</parameter> <emphasis>MUST</emphasis> + be set to code page 866 if the <parameter>character set</parameter> + parameter is set to <constant>KOI8-R</constant> in order for the + conversion to the UNIX character set to be done correctly.</para> + </listitem> + </itemizedlist> + + <para><emphasis>BUG</emphasis>. These MSDOS code page to UNIX character + set mappings should be dynamic, like the loading of MS DOS code pages, + not static.</para> + + <para>Normally this parameter is not set, meaning no filename + translation is done.</para> + + <para>Default: <command>character set = <empty string></command></para> + <para>Example: <command>character set = ISO8859-1</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="clientcodepage">client code page (G)</term> + <listitem><para>This parameter specifies the DOS code page + that the clients accessing Samba are using. To determine what code + page a Windows or DOS client is using, open a DOS command prompt + and type the command <command>chcp</command>. This will output + the code page. The default for USA MS-DOS, Windows 95, and + Windows NT releases is code page 437. The default for western + european releases of the above operating systems is code page 850.</para> + + <para>This parameter tells <ulink url="smbd.8.html">smbd(8)</ulink> + which of the <filename>codepage.<replaceable>XXX</replaceable> + </filename> files to dynamically load on startup. These files, + described more fully in the manual page <ulink url="make_smbcodepage.1.html"> + <command>make_smbcodepage(1)</command></ulink>, tell <command> + smbd</command> how to map lower to upper case characters to provide + the case insensitivity of filenames that Windows clients expect.</para> + + <para>Samba currently ships with the following code page files :</para> + + <itemizedlist> + <listitem><para>Code Page 437 - MS-DOS Latin US</para></listitem> + <listitem><para>Code Page 737 - Windows '95 Greek</para></listitem> + <listitem><para>Code Page 850 - MS-DOS Latin 1</para></listitem> + <listitem><para>Code Page 852 - MS-DOS Latin 2</para></listitem> + <listitem><para>Code Page 861 - MS-DOS Icelandic</para></listitem> + <listitem><para>Code Page 866 - MS-DOS Cyrillic</para></listitem> + <listitem><para>Code Page 932 - MS-DOS Japanese SJIS</para></listitem> + <listitem><para>Code Page 936 - MS-DOS Simplified Chinese</para></listitem> + <listitem><para>Code Page 949 - MS-DOS Korean Hangul</para></listitem> + <listitem><para>Code Page 950 - MS-DOS Traditional Chinese</para></listitem> + </itemizedlist> + + <para>Thus this parameter may have any of the values 437, 737, 850, 852, + 861, 932, 936, 949, or 950. If you don't find the codepage you need, + read the comments in one of the other codepage files and the + <command>make_smbcodepage(1)</command> man page and write one. Please + remember to donate it back to the Samba user community.</para> + + <para>This parameter co-operates with the <parameter>valid + chars</parameter> parameter in determining what characters are + valid in filenames and how capitalization is done. If you set both + this parameter and the <parameter>valid chars</parameter> parameter + the <parameter>client code page</parameter> parameter + <emphasis>MUST</emphasis> be set before the <parameter>valid + chars</parameter> parameter in the <filename>smb.conf</filename> + file. The <parameter>valid chars</parameter> string will then + augment the character settings in the <parameter>client code page</parameter> + parameter.</para> + + <para>If not set, <parameter>client code page</parameter> defaults + to 850.</para> + + <para>See also : <link linkend="validchars"><parameter>valid + chars</parameter></link></para> + + <para>Default: <command>client code page = 850</command></para> + <para>Example: <command>client code page = 936</command></para> + </listitem> + </varlistentry> + + + <varlistentry> + <term id="codingsystem">codingsystem (G)</term> + <listitem><para>This parameter is used to determine how incoming + Shift-JIS Japanese characters are mapped from the incoming <link + linkend="clientcodepage"><parameter>client code page</parameter> + </link> used by the client, into file names in the UNIX filesystem. + Only useful if <parameter>client code page</parameter> is set to + 932 (Japanese Shift-JIS). The options are :</para> + + <itemizedlist> + <listitem><para><constant>SJIS</constant> - Shift-JIS. Does no + conversion of the incoming filename.</para></listitem> + + <listitem><para><constant>JIS8, J8BB, J8BH, J8@B, + J8@J, J8@H </constant> - Convert from incoming Shift-JIS to eight + bit JIS code with different shift-in, shift out codes.</para></listitem> + + <listitem><para><constant>JIS7, J7BB, J7BH, J7@B, J7@J, + J7@H </constant> - Convert from incoming Shift-JIS to seven bit + JIS code with different shift-in, shift out codes.</para></listitem> + + <listitem><para><constant>JUNET, JUBB, JUBH, JU@B, JU@J, JU@H </constant> + - Convert from incoming Shift-JIS to JUNET code with different shift-in, + shift out codes.</para></listitem> + + + <listitem><para><constant>EUC</constant> - Convert an incoming + Shift-JIS character to EUC code.</para></listitem> + + <listitem><para><constant>HEX</constant> - Convert an incoming + Shift-JIS character to a 3 byte hex representation, i.e. + <constant>:AB</constant>.</para></listitem> + + <listitem><para><constant>CAP</constant> - Convert an incoming + Shift-JIS character to the 3 byte hex representation used by + the Columbia AppleTalk Program (CAP), i.e. <constant>:AB</constant>. + This is used for compatibility between Samba and CAP.</para></listitem> + </itemizedlist> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="comment">comment (S)</term> + <listitem><para>This is a text field that is seen next to a share + when a client does a queries the server, either via the network + neighborhood or via <command>net view</command> to list what shares + are available.</para> + + <para>If you want to set the string that is displayed next to the + machine name then see the <link linkend="serverstring"><parameter> + server string</parameter></link> parameter.</para> + + <para>Default: <emphasis>No comment string</emphasis></para> + <para>Example: <command>comment = Fred's Files</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="configfile">config file (G)</term> + <listitem><para>This allows you to override the config file + to use, instead of the default (usually <filename>smb.conf</filename>). + There is a chicken and egg problem here as this option is set + in the config file!</para> + + <para>For this reason, if the name of the config file has changed + when the parameters are loaded then it will reload them from + the new config file.</para> + + <para>This option takes the usual substitutions, which can + be very useful.</para> + + <para>If the config file doesn't exist then it won't be loaded + (allowing you to special case the config files of just a few + clients).</para> + + <para>Example: <command>config file = /usr/local/samba/lib/smb.conf.%m + </command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="copy">copy (S)</term> + <listitem><para>This parameter allows you to "clone" service + entries. The specified service is simply duplicated under the + current service's name. Any parameters specified in the current + section will override those in the section being copied.</para> + + <para>This feature lets you set up a 'template' service and + create similar services easily. Note that the service being + copied must occur earlier in the configuration file than the + service doing the copying.</para> + + <para>Default: <emphasis>none</emphasis></para> + <para>Example: <command>copy = otherservice</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="createmask">create mask (S)</term> + <listitem><para>A synonym for this parameter is + <link linkend="createmode"><parameter>create mode</parameter> + </link>.</para> + + <para>When a file is created, the necessary permissions are + calculated according to the mapping from DOS modes to UNIX + permissions, and the resulting UNIX mode is then bit-wise 'AND'ed + with this parameter. This parameter may be thought of as a bit-wise + MASK for the UNIX modes of a file. Any bit <emphasis>not</emphasis> + set here will be removed from the modes set on a file when it is + created.</para> + + <para>The default value of this parameter removes the + 'group' and 'other' write and execute bits from the UNIX modes.</para> + + <para>Following this Samba will bit-wise 'OR' the UNIX mode created + from this parameter with the value of the <link + linkend="forcecreatemode"><parameter>force create mode</parameter></link> + parameter which is set to 000 by default.</para> + + <para>This parameter does not affect directory modes. See the + parameter <link linkend="directorymode"><parameter>directory mode + </parameter></link> for details.</para> + + <para>See also the <link linkend="forcecreatemode"><parameter>force + create mode</parameter></link> parameter for forcing particular mode + bits to be set on created files. See also the <link linkend="directorymode"> + <parameter>directory mode"</parameter></link> parameter for masking + mode bits on created directories. See also the <link linkend="inheritpermissions"> + <parameter>inherit permissions</parameter></link> parameter.</para> + + <para>Default: <command>create mask = 0744</command></para> + <para>Example: <command>create mask = 0775</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="createmode">create mode (S)</term> + <listitem><para>This is a synonym for <link linkend="createmask"><parameter> + create mask</parameter></link>.</para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="deadtime">deadtime (G)</term> + <listitem><para>The value of the parameter (a decimal integer) + represents the number of minutes of inactivity before a connection + is considered dead, and it is disconnected. The deadtime only takes + effect if the number of open files is zero.</para> + + <para>This is useful to stop a server's resources being + exhausted by a large number of inactive connections.</para> + + <para>Most clients have an auto-reconnect feature when a + connection is broken so in most cases this parameter should be + transparent to users.</para> + + <para>Using this parameter with a timeout of a few minutes + is recommended for most systems.</para> + + <para>A deadtime of zero indicates that no auto-disconnection + should be performed.</para> + + <para>Default: <command>deadtime = 0</command></para> + <para>Example: <command>deadtime = 15</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="debughirestimestamp">debug hires timestamp (G)</term> + <listitem><para>Sometimes the timestamps in the log messages + are needed with a resolution of higher that seconds, this + boolean parameter adds microsecond resolution to the timestamp + message header when turned on.</para> + + <para>Note that the parameter <link linkend="debugtimestamp"><parameter> + debug timestamp</parameter></link> must be on for this to have an + effect.</para> + + <para>Default: <command>debug hires timestamp = no</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="debugtimestamp">debug timestamp (G)</term> + <listitem><para>Samba 2.2 debug log messages are timestamped + by default. If you are running at a high <link linkend="debuglevel"> + <parameter>debug level</parameter></link> these timestamps + can be distracting. This boolean parameter allows timestamping + to be turned off.</para> + + <para>Default: <command>debug timestamp = yes</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="debugpid">debug pid (G)</term> + <listitem><para>When using only one log file for more then one + forked smbd-process there may be hard to follow which process + outputs which message. This boolean parameter is adds the process-id + to the timestamp message headers in the logfile when turned on.</para> + + <para>Note that the parameter <link linkend="debugtimestamp"><parameter> + debug timestamp</parameter></link> must be on for this to have an + effect.</para> + + <para>Default: <command>debug pid = no</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="debuguid">debug uid (G)</term> + <listitem><para>Samba is sometimes run as root and sometime + run as the connected user, this boolean parameter inserts the + current euid, egid, uid and gid to the timestamp message headers + in the log file if turned on.</para> + + <para>Note that the parameter <link linkend="debugtimestamp"><parameter> + debug timestamp</parameter></link> must be on for this to have an + effect.</para> + + <para>Default: <command>debug uid = no</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="debuglevel">debug level (G)</term> + <listitem><para>The value of the parameter (an integer) allows + the debug level (logging level) to be specified in the + <filename>smb.conf</filename> file. This is to give greater + flexibility in the configuration of the system.</para> + + <para>The default will be the debug level specified on + the command line or level zero if none was specified.</para> + + <para>Example: <command>debug level = 3</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="default">default (G)</term> + <listitem><para>A synonym for <link linkend="defaultservice"><parameter> + default service</parameter></link>.</para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="defaultcase">default case (S)</term> + <listitem><para>See the section on <link linkend="namemanglingsect"> + NAME MANGLING"</link>. Also note the <link linkend="shortpreservecase"> + <parameter>short preserve case"</parameter>></link> parameter.</para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="defaultservice">default service (G)</term> + <listitem><para>This parameter specifies the name of a service + which will be connected to if the service actually requested cannot + be found. Note that the square brackets are <emphasis>NOT</emphasis> + given in the parameter value (see example below).</para> + + <para>There is no default value for this parameter. If this + parameter is not given, attempting to connect to a nonexistent + service results in an error.</para> + + <para>Typically the default service would be a <link linkend="guestok"> + <parameter>guest ok</parameter></link>, <link linkend="readonly"> + <parameter>read-only</parameter></link> service.</para> + + <para>Also note that the apparent service name will be changed + to equal that of the requested service, this is very useful as it + allows you to use macros like <parameter>%S</parameter> to make + a wildcard service.</para> + + <para>Note also that any "_" characters in the name of the service + used in the default service will get mapped to a "/". This allows for + interesting things.</para> + + + <para>Example:</para> + + <screen><computeroutput> + default service = pub + + [pub] + path = /%S + </computeroutput></screen> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="deleteuserscript">delete user script (G)</term> + <listitem><para>This is the full pathname to a script that will + be run <emphasis>AS ROOT</emphasis> by <ulink url="smbd.8.html"> + <command>smbd(8)</command></ulink> under special circumstances + decribed below.</para> + + <para>Normally, a Samba server requires that UNIX users are + created for all users accessing files on this server. For sites + that use Windows NT account databases as their primary user database + creating these users and keeping the user list in sync with the + Windows NT PDC is an onerous task. This option allows <command> + smbd</command> to delete the required UNIX users <emphasis>ON + DEMAND</emphasis> when a user accesses the Samba server and the + Windows NT user no longer exists.</para> + + <para>In order to use this option, <command>smbd</command> must be + set to <parameter>security=domain</parameter> and <parameter>delete + user script</parameter> must be set to a full pathname for a script + that will delete a UNIX user given one argument of <parameter>%u + </parameter>, which expands into the UNIX user name to delete. + <emphasis>NOTE</emphasis> that this is different to the <link + linkend="adduserscript"><parameter>add user script</parameter></link> + which will work with the <parameter>security=server</parameter> option + as well as <parameter>security=domain</parameter>. The reason for this + is only when Samba is a domain member does it get the information + on an attempted user logon that a user no longer exists. In the + <parameter>security=server</parameter> mode a missing user + is treated the same as an invalid password logon attempt. Deleting + the user in this circumstance would not be a good idea.</para> + + <para>When the Windows user attempts to access the Samba server, + at <emphasis>login</emphasis> (session setup in the SMB protocol) + time, <command>smbd</command> contacts the <link linkend="passwordserver"> + <parameter>password server</parameter></link> and attempts to authenticate + the given user with the given password. If the authentication fails + with the specific Domain error code meaning that the user no longer + exists then <command>smbd</command> attempts to find a UNIX user in + the UNIX password database that matches the Windows user account. If + this lookup succeeds, and <parameter>delete user script</parameter> is + set then <command>smbd</command> will all the specified script + <emphasis>AS ROOT</emphasis>, expanding any <parameter>%u</parameter> + argument to be the user name to delete.</para> + + <para>This script should delete the given UNIX username. In this way, + UNIX users are dynamically deleted to match existing Windows NT + accounts.</para> + + <para>See also <link linkend="securitydomain">security=domain</link>, + <link linkend="passwordserver"><parameter>password server</parameter> + </link>, <link linkend="adduserscript"><parameter>add user script</parameter> + </link>.</para> + + <para>Default: <command>delete user script = <empty string> + </command></para> + <para>Example: <command>delete user script = /usr/local/samba/bin/del_user + %u</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="deletereadonly">delete readonly (S)</term> + <listitem><para>This parameter allows readonly files to be deleted. + This is not normal DOS semantics, but is allowed by UNIX.</para> + + <para>This option may be useful for running applications such + as rcs, where UNIX file ownership prevents changing file + permissions, and DOS semantics prevent deletion of a read only file.</para> + + <para>Default: <command>delete readonly = no</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="deletevetofiles">delete veto files (S)</term> + <listitem><para>This option is used when Samba is attempting to + delete a directory that contains one or more vetoed directories + (see the <link linkend="vetofiles"><parameter>veto files</parameter></link> + option). If this option is set to False (the default) then if a vetoed + directory contains any non-vetoed files or directories then the + directory delete will fail. This is usually what you want.</para> + + <para>If this option is set to <constant>True</constant>, then Samba + will attempt to recursively delete any files and directories within + the vetoed directory. This can be useful for integration with file + serving systems such as NetAtalk which create meta-files within + directories you might normally veto DOS/Windows users from seeing + (e.g. <filename>.AppleDouble</filename>)</para> + + <para>Setting <command>delete veto files = yes</command> allows these + directories to be transparently deleted when the parent directory + is deleted (so long as the user has permissions to do so).</para> + + <para>See also the <link linkend="vetofiles"><parameter>veto + files</parameter></link> parameter.</para> + + <para>Default: <command>delete veto files = no</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="denyhosts">deny hosts (S)</term> + <listitem><para>Synonym for <link linkend="hostsdeny"><parameter>hosts + deny</parameter></link>.</para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="dfreecommand">dfree command (G)</term> + <listitem><para>The <parameter>dfree command</parameter> setting should + only be used on systems where a problem occurs with the internal + disk space calculations. This has been known to happen with Ultrix, + but may occur with other operating systems. The symptom that was + seen was an error of "Abort Retry Ignore" at the end of each + directory listing.</para> + + <para>This setting allows the replacement of the internal routines to + calculate the total disk space and amount available with an external + routine. The example below gives a possible script that might fulfill + this function.</para> + + <para>The external program will be passed a single parameter indicating + a directory in the filesystem being queried. This will typically consist + of the string <filename>./</filename>. The script should return two + integers in ascii. The first should be the total disk space in blocks, + and the second should be the number of available blocks. An optional + third return value can give the block size in bytes. The default + blocksize is 1024 bytes.</para> + + <para>Note: Your script should <emphasis>NOT</emphasis> be setuid or + setgid and should be owned by (and writeable only by) root!</para> + + <para>Default: <emphasis>By default internal routines for + determining the disk capacity and remaining space will be used. + </emphasis></para> + + <para>Example: <command>dfree command = /usr/local/samba/bin/dfree + </command></para> + + <para>Where the script dfree (which must be made executable) could be:</para> + + <para><programlisting> + #!/bin/sh + df $1 | tail -1 | awk '{print $2" "$4}' + </programlisting></para> + + <para>or perhaps (on Sys V based systems):</para> + + <para><programlisting> + #!/bin/sh + /usr/bin/df -k $1 | tail -1 | awk '{print $3" "$5}' + </programlisting></para> + + <para>Note that you may have to replace the command names + with full path names on some systems.</para> + </listitem> + </varlistentry> + + + + + <varlistentry> + <term id="directory">directory (S)</term> + <listitem><para>Synonym for <link linkend="path"><parameter>path + </parameter></link>.</para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="directorymask">directory mask (S)</term> + <listitem><para>This parameter is the octal modes which are + used when converting DOS modes to UNIX modes when creating UNIX + directories.</para> + + <para>When a directory is created, the necessary permissions are + calculated according to the mapping from DOS modes to UNIX permissions, + and the resulting UNIX mode is then bit-wise 'AND'ed with this + parameter. This parameter may be thought of as a bit-wise MASK for + the UNIX modes of a directory. Any bit <emphasis>not</emphasis> set + here will be removed from the modes set on a directory when it is + created.</para> + + <para>The default value of this parameter removes the 'group' + and 'other' write bits from the UNIX mode, allowing only the + user who owns the directory to modify it.</para> + + <para>Following this Samba will bit-wise 'OR' the UNIX mode + created from this parameter with the value of the <link + linkend="forcedirectorymode"><parameter>force directory mode + </parameter></link> parameter. This parameter is set to 000 by + default (i.e. no extra mode bits are added).</para> + + <para>See the <link linkend="forcedirectorymode"><parameter>force + directory mode</parameter></link> parameter to cause particular mode + bits to always be set on created directories.</para> + + <para>See also the <link linkend="createmode"><parameter>create mode + </parameter></link> parameter for masking mode bits on created files, + and the <link linkend="directorysecuritymask"><parameter>directory + security mask</parameter></link> parameter.</para> + + <para>Also refer to the <link linkend="inheritpermissions"><parameter> + inherit permissions</parameter></link> parameter.</para> + + <para>Default: <command>directory mask = 0755</command></para> + <para>Example: <command>directory mask = 0775</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="directorymode">directory mode (S)</term> + <listitem><para>Synonym for <link linkend="directorymode"><parameter> + directory mask</parameter></link></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="directorysecuritymask">directory security mask (S)</term> + <listitem><para>This parameter controls what UNIX permission bits + can be modified when a Windows NT client is manipulating the UNIX + permission on a directory using the native NT security dialog + box.</para> + + <para>This parameter is applied as a mask (AND'ed with) to + the changed permission bits, thus preventing any bits not in + this mask from being modified. Essentially, zero bits in this + mask may be treated as a set of bits the user is not allowed + to change.</para> + + <para>If not set explicitly this parameter is set to the same + value as the <link linkend="directorymask"><parameter>directory + mask</parameter></link> parameter. To allow a user to + modify all the user/group/world permissions on a directory, set + this parameter to 0777.</para> + + <para><emphasis>Note</emphasis> that users who can access the + Samba server through other means can easily bypass this restriction, + so it is primarily useful for standalone "appliance" systems. + Administrators of most normal systems will probably want to set + it to 0777.</para> + + <para>See also the <link linkend="forcedirectorysecuritymode"><parameter> + force directory security mode</parameter></link>, <link + linkend="securitymask"><parameter>security mask</parameter></link>, + <link linkend="forcesecuritymode"><parameter>force security mode + </parameter></link> parameters.</para> + + <para>Default: <command>directory security mask = <same as + directory mask></command></para> + <para>Example: <command>directory security mask = 0777</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="dnsproxy">dns proxy (G)</term> + <listitem><para>Specifies that <ulink url="nmbd.8.html">nmbd(8)</ulink> + when acting as a WINS server and finding that a NetBIOS name has not + been registered, should treat the NetBIOS name word-for-word as a DNS + name and do a lookup with the DNS server for that name on behalf of + the name-querying client.</para> + + <para>Note that the maximum length for a NetBIOS name is 15 + characters, so the DNS name (or DNS alias) can likewise only be + 15 characters, maximum.</para> + + <para><command>nmbd</command> spawns a second copy of itself to do the + DNS name lookup requests, as doing a name lookup is a blocking + action.</para> + + <para>See also the parameter <link linkend="winssupport"><parameter> + wins support</parameter></link>.</para> + + <para>Default: <command>dns proxy = yes</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="domainadmingroup">domain admin group (G)</term> + <listitem><para>This is an <emphasis>EXPERIMENTAL</emphasis> parameter + that is part of the unfinished Samba NT Domain Controller Code. It may + be removed in a later release. To work with the latest code builds + that may have more support for Samba NT Domain Controller functionality + please subscribe to the mailing list <ulink + url="mailto:samba-ntdom@samba.org">samba-ntdom</ulink> available by + visiting the web page at <ulink url="http://lists.samba.org/"> + http://lists.samba.org/</ulink>.</para></listitem> + </varlistentry> + + + <varlistentry> + <term id="domainadminusers">domain admin users (G)</term> + <listitem><para>This is an <emphasis>EXPERIMENTAL</emphasis> parameter + that is part of the unfinished Samba NT Domain Controller Code. It may + be removed in a later release. To work with the latest code builds + that may have more support for Samba NT Domain Controller functionality + please subscribe to the mailing list <ulink + url="mailto:samba-ntdom@samba.org">samba-ntdom</ulink> available by + visiting the web page at <ulink url="http://lists.samba.org/"> + http://lists.samba.org/</ulink>.</para></listitem> + </varlistentry> + + + <varlistentry> + <term id="domaingroups">domain groups (G)</term> + <listitem><para>This is an <emphasis>EXPERIMENTAL</emphasis> parameter + that is part of the unfinished Samba NT Domain Controller Code. It may + be removed in a later release. To work with the latest code builds + that may have more support for Samba NT Domain Controller functionality + please subscribe to the mailing list <ulink + url="mailto:samba-ntdom@samba.org">samba-ntdom</ulink> available by + visiting the web page at <ulink url="http://lists.samba.org/"> + http://lists.samba.org/</ulink>.</para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="domainguestgroup">domain guest group (G)</term> + <listitem><para>This is an <emphasis>EXPERIMENTAL</emphasis> parameter + that is part of the unfinished Samba NT Domain Controller Code. It may + be removed in a later release. To work with the latest code builds + that may have more support for Samba NT Domain Controller functionality + please subscribe to the mailing list <ulink + url="mailto:samba-ntdom@samba.org">samba-ntdom</ulink> available by + visiting the web page at <ulink url="http://lists.samba.org/"> + http://lists.samba.org/</ulink>.</para></listitem> + </varlistentry> + + + <varlistentry> + <term id="domainguestusers">domain guest users (G)</term> + <listitem><para>This is an <emphasis>EXPERIMENTAL</emphasis> parameter + that is part of the unfinished Samba NT Domain Controller Code. It may + be removed in a later release. To work with the latest code builds + that may have more support for Samba NT Domain Controller functionality + please subscribe to the mailing list <ulink + url="mailto:samba-ntdom@samba.org">samba-ntdom</ulink> available by + visiting the web page at <ulink url="http://lists.samba.org/"> + http://lists.samba.org/</ulink>.</para></listitem> + </varlistentry> + + + <varlistentry> + <term id="domainlogons">domain logons (G)</term> + <listitem><para>If set to true, the Samba server will serve + Windows 95/98 Domain logons for the <link linkend="workgroup"> + <parameter>workgroup</parameter></link> it is in. Samba 2.2 also + has limited capability to act as a domain controller for Windows + NT 4 Domains. For more details on setting up this feature see + the file DOMAINS.txt in the Samba documentation directory <filename>docs/ + </filename> shipped with the source code.</para> + + <para>Default: <command>domain logons = no</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="domainmaster">domain master (G)</term> + <listitem><para>Tell <ulink url="nmbd.8.html"><command> + nmbd(8)</command></ulink> to enable WAN-wide browse list + collation. Setting this option causes <command>nmbd</command> to + claim a special domain specific NetBIOS name that identifies + it as a domain master browser for its given <link linkend="workgroup"> + <parameter>workgroup</parameter></link>. Local master browsers + in the same <parameter>workgroup</parameter> on broadcast-isolated + subnets will give this <command>nmbd</command> their local browse lists, + and then ask <ulink url="smbd.8.html"><command>smbd(8)</command></ulink> + for a complete copy of the browse list for the whole wide area + network. Browser clients will then contact their local master browser, + and will receive the domain-wide browse list, instead of just the list + for their broadcast-isolated subnet.</para> + + <para>Note that Windows NT Primary Domain Controllers expect to be + able to claim this <parameter>workgroup</parameter> specific special + NetBIOS name that identifies them as domain master browsers for + that <parameter>workgroup</parameter> by default (i.e. there is no + way to prevent a Windows NT PDC from attempting to do this). This + means that if this parameter is set and <command>nmbd</command> claims + the special name for a <parameter>workgroup</parameter> before a Windows + NT PDC is able to do so then cross subnet browsing will behave + strangely and may fail.</para> + + <para>Default: <command>domain master = no</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="dontdescend">dont descend (S)</term> + <listitem><para>There are certain directories on some systems + (e.g., the <filename>/proc</filename> tree under Linux) that are either not + of interest to clients or are infinitely deep (recursive). This + parameter allows you to specify a comma-delimited list of directories + that the server should always show as empty.</para> + + <para>Note that Samba can be very fussy about the exact format + of the "dont descend" entries. For example you may need <filename> + ./proc</filename> instead of just <filename>/proc</filename>. + Experimentation is the best policy :-) </para> + + <para>Default: <emphasis>none (i.e., all directories are OK + to descend)</emphasis></para> + <para>Example: <command>dont descend = /proc,/dev</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="dosfiletimeresolution">dos filetime resolution (S)</term> + <listitem><para>Under the DOS and Windows FAT filesystem, the finest + granularity on time resolution is two seconds. Setting this parameter + for a share causes Samba to round the reported time down to the + nearest two second boundary when a query call that requires one second + resolution is made to <ulink url="smbd.8.html"><command>smbd(8)</command> + </ulink>.</para> + + <para>This option is mainly used as a compatibility option for Visual + C++ when used against Samba shares. If oplocks are enabled on a + share, Visual C++ uses two different time reading calls to check if a + file has changed since it was last read. One of these calls uses a + one-second granularity, the other uses a two second granularity. As + the two second call rounds any odd second down, then if the file has a + timestamp of an odd number of seconds then the two timestamps will not + match and Visual C++ will keep reporting the file has changed. Setting + this option causes the two timestamps to match, and Visual C++ is + happy.</para> + + <para>Default: <command>dos filetime resolution = no</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="dosfiletimes">dos filetimes (S)</term> + <listitem><para>Under DOS and Windows, if a user can write to a + file they can change the timestamp on it. Under POSIX semantics, + only the owner of the file or root may change the timestamp. By + default, Samba runs with POSIX semantics and refuses to change the + timestamp on a file if the user <command>smbd</command> is acting + on behalf of is not the file owner. Setting this option to <constant> + True</constant> allows DOS semantics and smbd will change the file + timestamp as DOS requires.</para> + + <para>Default: <command>dos filetimes = no</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="encryptpasswords">encrypt passwords (G)</term> + <listitem><para>This boolean controls whether encrypted passwords + will be negotiated with the client. Note that Windows NT 4.0 SP3 and + above and also Windows 98 will by default expect encrypted passwords + unless a registry entry is changed. To use encrypted passwords in + Samba see the file ENCRYPTION.txt in the Samba documentation + directory <filename>docs/</filename> shipped with the source code.</para> + + <para>In order for encrypted passwords to work correctly + <ulink url="smbd.8.html"><command>smbd(8)</command></ulink> must either + have access to a local <ulink url="smbpasswd.5.html"><filename>smbpasswd(5) + </filename></ulink> file (see the <ulink url="smbpasswd.8.html"><command> + smbpasswd(8)</command></ulink> program for information on how to set up + and maintain this file), or set the <link + linkend="security">security=[serve|domain]</link> parameter which + causes <command>smbd</command> to authenticate against another + server.</para> + + <para>Default: <command>encrypt passwords = no</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="exec">exec (S)</term> + <listitem><para>This is a synonym for <link linkend="preexec"> + <parameter>preexec</parameter></link>.</para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="fakedirectorycreatetimes">fake directory create times (S)</term> + <listitem><para>NTFS and Windows VFAT file systems keep a create + time for all files and directories. This is not the same as the + ctime - status change time - that Unix keeps, so Samba by default + reports the earliest of the various times Unix does keep. Setting + this parameter for a share causes Samba to always report midnight + 1-1-1980 as the create time for directories.</para> + + <para>This option is mainly used as a compatibility option for + Visual C++ when used against Samba shares. Visual C++ generated + makefiles have the object directory as a dependency for each object + file, and a make rule to create the directory. Also, when NMAKE + compares timestamps it uses the creation time when examining a + directory. Thus the object directory will be created if it does not + exist, but once it does exist it will always have an earlier + timestamp than the object files it contains.</para> + + <para>However, Unix time semantics mean that the create time + reported by Samba will be updated whenever a file is created or + deleted in the directory. NMAKE therefore finds all object files + in the object directory bar the last one built are out of date + compared to the directory and rebuilds them. Enabling this option + ensures directories always predate their contents and an NMAKE build + will proceed as expected.</para> + + <para>Default: <command>fake directory create times = no</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="fakeoplocks">fake oplocks (S)</term> + <listitem><para>Oplocks are the way that SMB clients get permission + from a server to locally cache file operations. If a server grants + an oplock (opportunistic lock) then the client is free to assume + that it is the only one accessing the file and it will aggressively + cache file data. With some oplock types the client may even cache + file open/close operations. This can give enormous performance benefits. + </para> + + <para>When you set <command>fake oplocks = yes</command>, <ulink + url="smbd.8.html"><command>smbd(8)</command></ulink> will + always grant oplock requests no matter how many clients are using + the file.</para> + + <para>It is generally much better to use the real <link + linkend="oplocks"><parameter>oplocks</parameter></link> support rather + than this parameter.</para> + + <para>If you enable this option on all read-only shares or + shares that you know will only be accessed from one client at a + time such as physically read-only media like CDROMs, you will see + a big performance improvement on many operations. If you enable + this option on shares where multiple clients may be accessing the + files read-write at the same time you can get data corruption. Use + this option carefully!</para> + + <para>Default: <command>fake oplocks = no</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="followsymlinks">follow symlinks (S)</term> + <listitem><para>This parameter allows the Samba administrator + to stop <ulink url="smbd.8.html"><command>smbd(8)</command></ulink> + from following symbolic links in a particular share. Setting this + parameter to <constant>no</constant> prevents any file or directory + that is a symbolic link from being followed (the user will get an + error). This option is very useful to stop users from adding a + symbolic link to <filename>/etc/passwd</filename> in their home + directory for instance. However it will slow filename lookups + down slightly.</para> + + <para>This option is enabled (i.e. <command>smbd</command> will + follow symbolic links) by default.</para> + + <para>Default: <command>follow symlinks = yes</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="forcecreatemode">force create mode (S)</term> + <listitem><para>This parameter specifies a set of UNIX mode bit + permissions that will <emphasis>always</emphasis> be set on a + file by Samba. This is done by bitwise 'OR'ing these bits onto + the mode bits of a file that is being created or having its + permissions changed. The default for this parameter is (in octal) + 000. The modes in this parameter are bitwise 'OR'ed onto the file + mode after the mask set in the <parameter>create mask</parameter> + parameter is applied.</para> + + <para>See also the parameter <link linkend="createmask"><parameter>create + mask</parameter></link> for details on masking mode bits on files.</para> + + <para>See also the <link linkend="inheritpermissions"><parameter>inherit + permissions</parameter></link> parameter.</para> + + <para>Default: <command>force create mode = 000</command></para> + <para>Example: <command>force create mode = 0755</command></para> + + <para>would force all created files to have read and execute + permissions set for 'group' and 'other' as well as the + read/write/execute bits set for the 'user'.</para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="forcedirectorymode">force directory mode (S)</term> + <listitem><para>This parameter specifies a set of UNIX mode bit + permissions that will <emphasis>always</emphasis> be set on a directory + created by Samba. This is done by bitwise 'OR'ing these bits onto the + mode bits of a directory that is being created. The default for this + parameter is (in octal) 0000 which will not add any extra permission + bits to a created directory. This operation is done after the mode + mask in the parameter <parameter>directory mask</parameter> is + applied.</para> + + <para>See also the parameter <link linkend="directorymask"><parameter> + directory mask</parameter></link> for details on masking mode bits + on created directories.</para> + + <para>See also the <link linkend="inheritpermissions"><parameter> + inherit permissions</parameter></link> parameter.</para> + + <para>Default: <command>force directory mode = 000</command></para> + <para>Example: <command>force directory mode = 0755</command></para> + + <para>would force all created directories to have read and execute + permissions set for 'group' and 'other' as well as the + read/write/execute bits set for the 'user'.</para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="forcedirectorysecuritymode">force directory security mode (S)</term> + <listitem><para>This parameter controls what UNIX permission bits + can be modified when a Windows NT client is manipulating the UNIX + permission on a directory using the native NT security dialog box.</para> + + <para>This parameter is applied as a mask (OR'ed with) to the + changed permission bits, thus forcing any bits in this mask that + the user may have modified to be on. Essentially, one bits in this + mask may be treated as a set of bits that, when modifying security + on a directory, the user has always set to be 'on'.</para> + + <para>If not set explicitly this parameter is set to the same + value as the <link linkend="forcedirectorymode"><parameter>force + directory mode</parameter></link> parameter. To allow + a user to modify all the user/group/world permissions on a + directory, with restrictions set this parameter to 000.</para> + + <para><emphasis>Note</emphasis> that users who can access the + Samba server through other means can easily bypass this restriction, + so it is primarily useful for standalone "appliance" systems. + Administrators of most normal systems will probably want to set + it to 0000.</para> + + <para>See also the <link linkend="directorysecuritymask"><parameter> + directory security mask</parameter></link>, <link linkend="secduritymask"> + <parameter>security mask</parameter></link>, + <link linkend="forcesecuritymode"><parameter>force security mode + </parameter></link> parameters.</para> + + <para>Default: <command>force directory security mode = <same as + force directory mode></command></para> + <para>Example: <command>force directory security mode = 0</command></para> + </listitem> + </varlistentry> + + + + + <varlistentry> + <term id="forcegroup">force group (S)</term> + <listitem><para>This specifies a UNIX group name that will be + assigned as the default primary group for all users connecting + to this service. This is useful for sharing files by ensuring + that all access to files on service will use the named group for + their permissions checking. Thus, by assigning permissions for this + group to the files and directories within this service the Samba + administrator can restrict or allow sharing of these files.</para> + + <para>In Samba 2.0.5 and above this parameter has extended + functionality in the following way. If the group name listed here + has a '+' character prepended to it then the current user accessing + the share only has the primary group default assigned to this group + if they are already assigned as a member of that group. This allows + an administrator to decide that only users who are already in a + particular group will create files with group ownership set to that + group. This gives a finer granularity of ownership assignment. For + example, the setting <filename>force group = +sys</filename> means + that only users who are already in group sys will have their default + primary group assigned to sys when accessing this Samba share. All + other users will retain their ordinary primary group.</para> + + <para>If the <link linkend="forceuser"><parameter>force user + </parameter></link> parameter is also set the group specified in + <parameter>force group</parameter> will override the primary group + set in <parameter>force user</parameter>.</para> + + <para>See also <link linkend="forceuser"><parameter>force + user</parameter></link>.</para> + + <para>Default: <emphasis>no forced group</emphasis></para> + <para>Example: <command>force group = agroup</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="forcesecuritymode">force security mode (S)</term> + <listitem><para>This parameter controls what UNIX permission + bits can be modified when a Windows NT client is manipulating + the UNIX permission on a file using the native NT security dialog + box.</para> + + <para>This parameter is applied as a mask (OR'ed with) to the + changed permission bits, thus forcing any bits in this mask that + the user may have modified to be on. Essentially, one bits in this + mask may be treated as a set of bits that, when modifying security + on a file, the user has always set to be 'on'.</para> + + <para>If not set explicitly this parameter is set to the same + value as the <link linkend="forcecreatemode"><parameter>force + create mode</parameter></link> parameter. To allow a user to + modify all the user/group/world permissions on a file, with no + restrictions set this parameter to 000.</para> + + <para><emphasis>Note</emphasis> that users who can access + the Samba server through other means can easily bypass this restriction, + so it is primarily useful for standalone "appliance" systems. + Administrators of most normal systems will probably want to set + it to 0000.</para> + + <para>See also the <link linkend="forcedirectorysecuritymode"><parameter> + force directory security mode</parameter></link>, + <link linkend="directorysecuritymask"><parameter>directory security + mask</parameter></link>, <link linkend="securitymask"><parameter> + security mask</parameter></link> parameters.</para> + + <para>Default: <command>force security mode = <same as force + create mode></command></para> + <para>Example: <command>force security mode = 0</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="forceuser">force user (S)</term> + <listitem><para>This specifies a UNIX user name that will be + assigned as the default user for all users connecting to this service. + This is useful for sharing files. You should also use it carefully + as using it incorrectly can cause security problems.</para> + + <para>This user name only gets used once a connection is established. + Thus clients still need to connect as a valid user and supply a + valid password. Once connected, all file operations will be performed + as the "forced user", no matter what username the client connected + as.</para> + + <para>This can be very useful.</para> + + <para>In Samba 2.0.5 and above this parameter also causes the + primary group of the forced user to be used as the primary group + for all file activity. Prior to 2.0.5 the primary group was left + as the primary group of the connecting user (this was a bug).</para> + + <para>See also <link linkend="forcegroup"><parameter>force group + </parameter></link></para> + + <para>Default: <emphasis>no forced user</emphasis></para> + <para>Example: <command>force user = auser</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="fstype">fstype (S)</term> + <listitem><para>This parameter allows the administrator to + configure the string that specifies the type of filesystem a share + is using that is reported by <ulink url="smbd.8.html"><command>smbd(8) + </command></ulink> when a client queries the filesystem type + for a share. The default type is <constant>NTFS</constant> for + compatibility with Windows NT but this can be changed to other + strings such as <constant>Samba</constant> or <constant>FAT + </constant> if required.</para> + + <para>Default: <command>fstype = NTFS</command></para> + <para>Example: <command>fstype = Samba</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="getwdcache">getwd cache (G)</term> + <listitem><para>This is a tuning option. When this is enabled a + caching algorithm will be used to reduce the time taken for getwd() + calls. This can have a significant impact on performance, especially + when the <link linkend="widelinks"><parameter>wide links</parameter> + </link>parameter is set to <constant>False</constant>.</para> + + <para>Default: <command>getwd cache = No</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="group">group (S)</term> + <listitem><para>Synonym for <link linkend="forcegroup"><parameter>force + group</parameter></link>.</para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="guestaccount">guest account (S)</term> + <listitem><para>This is a username which will be used for access + to services which are specified as <link linkend="guestok"><parameter> + guest ok</parameter></link> (see below). Whatever privileges this + ser has will be available to any client connecting to the guest service. + Typically this user will exist in the password file, but will not + have a valid login. The user account "ftp" is often a good choice + for this parameter. If a username is specified in a given service, + the specified username overrides this one.</para> + + <para>One some systems the default guest account "nobody" may not + be able to print. Use another account in this case. You should test + this by trying to log in as your guest user (perhaps by using the + <command>su -</command> command) and trying to print using the + system print command such as <command>lpr(1)</command> or <command> + lp(1)</command>.</para> + + <para>Default: <emphasis>specified at compile time, usually + "nobody"</emphasis></para> + + <para>Example: <command>guest account = ftp</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="guestok">guest ok (S)</term> + <listitem><para>If this parameter is <constant>yes</constant> for + a service, then no password is equired to connect to the service. + Privileges will be those of the <link linkend="guestaccount"><parameter> + guest account</parameter></link>.</para> + + <para>See the section below on <link linkend="security"><parameter> + security</parameter></link> for more information about this option. + </para> + + <para>Default: <command>guest ok = no</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="guestonly">guest only (S)</term> + <listitem><para>If this parameter is <constant>yes</constant> for + a service, then only guest connections to the service are permitted. + This parameter will have no affect if <link linkend="guestok"> + <parameter>guest ok</parameter></link> is not set for the service.</para> + + <para>See the section below on <link linkend="security"><parameter> + security</parameter></link> for more information about this option. + </para> + + <para>Default: <command>guest only = no</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="hidedotfiles">hide dot files (S)</term> + <listitem><para>This is a boolean parameter that controls whether + files starting with a dot appear as hidden files.</para> + + <para>Default: <command>hide dot files = yes</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="hidefiles">hide files(S)</term> + <listitem><para>This is a list of files or directories that are not + visible but are accessible. The DOS 'hidden' attribute is applied + to any files or directories that match.</para> + + <para>Each entry in the list must be separated by a '/', + which allows spaces to be included in the entry. '*' + and '?' can be used to specify multiple files or directories + as in DOS wildcards.</para> + + <para>Each entry must be a Unix path, not a DOS path and must + not include the Unix directory separator '/'.</para> + + <para>Note that the case sensitivity option is applicable + in hiding files.</para> + + <para>Setting this parameter will affect the performance of Samba, + as it will be forced to check all files and directories for a match + as they are scanned.</para> + + <para>See also <link linkend="hidedotfiles"><parameter>hide + dot files</parameter></link>, <link linkend="vetofiles"><parameter> + veto files</parameter></link> and <link linkend="casesensitive"> + <parameter>case sensitive</parameter></link>.</para> + + <para>Default: <emphasis>no file are hidden</emphasis></para> + <para>Example: <command>hide files = + /.*/DesktopFolderDB/TrashFor%m/resource.frk/</command></para> + + <para>The above example is based on files that the Macintosh + SMB client (DAVE) available from <ulink url="http://www.thursby.com"> + Thursby</ulink> creates for internal use, and also still hides + all files beginning with a dot.</para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="hidelocalusers">hide local users(G)</term> + <listitem><para>This parameter toggles the hiding of local UNIX + users (root, wheel, floppy, etc) from remote clients.</para> + + <para>Default: <command>hide local users = no</command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="homedirmap">homedir map (G)</term> + <listitem><para>If<link linkend="nishomedir"><parameter>nis homedir + </parameter></link> is <constant>True</constant>, and <ulink + url="smbd.8.html"><command>smbd(8)</command></ulink> is also acting + as a Win95/98 <parameter>logon server</parameter> then this parameter + specifies the NIS (or YP) map from which the server for the user's + home directory should be extracted. At present, only the Sun + auto.home map format is understood. The form of the map is:</para> + + <para><command>username server:/some/file/system</command></para> + + <para>and the program will extract the servername from before + the first ':'. There should probably be a better parsing system + that copes with different map formats and also Amd (another + automounter) maps.</para> + + <para><emphasis>NOTE :</emphasis>A working NIS client is required on + the system for this option to work.</para> + + <para>See also <link linkend="nishomedir"><parameter>nis homedir</parameter> + </link>, <link linkend="domainlogons"><parameter>domain logons</parameter> + </link>.</para> + + <para>Default: <command>homedir map = auto.home</command></para> + <para>Example: <command>homedir map = amd.homedir</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="hostsallow">hosts allow (S)</term> + <listitem><para>A synonym for this parameter is <parameter>allow + hosts</parameter>.</para> + + <para>This parameter is a comma, space, or tab delimited + set of hosts which are permitted to access a service.</para> + + <para>If specified in the [global] section then it will + apply to all services, regardless of whether the individual + service has a different setting.</para> + + <para>You can specify the hosts by name or IP number. For + example, you could restrict access to only the hosts on a + Class C subnet with something like <command>allow hosts = 150.203.5. + </command>. The full syntax of the list is described in the man + page <filename>hosts_access(5)</filename>. Note that this man + page may not be present on your system, so a brief description will + be given here also.</para> + + <para>Note that the localhost address 127.0.0.1 will always + be allowed access unless specifically denied by a <link + linkend="hostsdeny"><parameter>hosts deny</parameter></link> option.</para> + + <para>You can also specify hosts by network/netmask pairs and + by netgroup names if your system supports netgroups. The + <emphasis>EXCEPT</emphasis> keyword can also be used to limit a + wildcard list. The following examples may provide some help:</para> + + <para>Example 1: allow all IPs in 150.203.*.*; except one</para> + + <para><command>hosts allow = 150.203. EXCEPT 150.203.6.66</command></para> + + <para>Example 2: allow hosts that match the given network/netmask</para> + + <para><command>hosts allow = 150.203.15.0/255.255.255.0</command></para> + + <para>Example 3: allow a couple of hosts</para> + + <para><command>hosts allow = lapland, arvidsjaur</command></para> + + <para>Example 4: allow only hosts in NIS netgroup "foonet", but + deny access from one particular host</para> + + <para><command>hosts allow = @foonet</command></para> + + <para><command>hosts deny = pirate</command></para> + + <para>Note that access still requires suitable user-level passwords.</para> + + <para>See <ulink url="testparm.1.html"><command>testparm(1)</command> + </ulink> for a way of testing your host access to see if it does + what you expect.</para> + + <para>Default: <emphasis>none (i.e., all hosts permitted access) + </emphasis></para> + + <para>Example: <command>allow hosts = 150.203.5. myhost.mynet.edu.au + </command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="hostsdeny">hosts deny (S)</term> + <listitem><para>The opposite of <parameter>hosts allow</parameter> + - hosts listed here are <emphasis>NOT</emphasis> permitted access to + services unless the specific services have their own lists to override + this one. Where the lists conflict, the <parameter>allow</parameter> + list takes precedence.</para> + + <para>Default: <emphasis>none (i.e., no hosts specifically excluded) + </emphasis></para> + + <para>Example: <command>hosts deny = 150.203.4. badhost.mynet.edu.au + </command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="hostsequiv">hosts equiv (G)</term> + <listitem><para>If this global parameter is a non-null string, + it specifies the name of a file to read for the names of hosts + and users who will be allowed access without specifying a password. + </para> + + <para>This is not be confused with <link linkend="hostsallow"> + <parameter>hosts allow</parameter></link> which is about hosts + access to services and is more useful for guest services. <parameter> + hosts equiv</parameter> may be useful for NT clients which will + not supply passwords to samba.</para> + + <para><emphasis>NOTE :</emphasis> The use of <parameter>hosts equiv + </parameter> can be a major security hole. This is because you are + trusting the PC to supply the correct username. It is very easy to + get a PC to supply a false username. I recommend that the + <parameter>hosts equiv</parameter> option be only used if you really + know what you are doing, or perhaps on a home network where you trust + your spouse and kids. And only if you <emphasis>really</emphasis> trust + them :-).</para> + + <para>Default: <emphasis>no host equivalences</emphasis></para> + <para>Example: <command>hosts equiv = /etc/hosts.equiv</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="include">include (G)</term> + <listitem><para>This allows you to include one config file + inside another. The file is included literally, as though typed + in place.</para> + + <para>It takes the standard substitutions, except <parameter>%u + </parameter>, <parameter>%P</parameter> and <parameter>%S</parameter>. + </para> + + <para>Default: <emphasis>no file included</emphasis></para> + <para>Example: <command>include = /usr/local/samba/lib/admin_smb.conf + </command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="inheritpermissions">inherit permissions (S)</term> + <listitem><para>The permissions on new files and directories + are normally governed by <link linkend="createmask"><parameter> + create mask</parameter></link>, <link linkend="directorymask"> + <parameter>directory mask</parameter></link>, <link + linkend="forcecreatemode"><parameter>force create mode</parameter> + </link> and <link linkend="forcedirectorymode"><parameter>force + directory mode</parameter></link> but the boolean inherit + permissions parameter overrides this.</para> + + <para>New directories inherit the mode of the parent directory, + including bits such as setgid.</para> + + <para>New files inherit their read/write bits from the parent + directory. Their execute bits continue to be determined by + <link linkend="maparchive"><parameter>map archive</parameter> + </link>, <link linkend="maphidden"><parameter>map hidden</parameter> + </link> and <link linkend="mapsystem"><parameter>map system</parameter> + </link> as usual.</para> + + <para>Note that the setuid bit is <emphasis>never</emphasis> set via + inheritance (the code explicitly prohibits this).</para> + + <para>This can be particularly useful on large systems with + many users, perhaps several thousand,to allow a single [homes] + share to be used flexibly by each user.</para> + + <para>See also <link linkend="createmask"><parameter>create mask + </parameter></link>, <link linkend="directorymask"><parameter> + directory mask</parameter></link>, <link linkend="forcecreatemode"> + <parameter>force create mode</parameter></link> and <link + linkend="forcedirectorymode"><parameter>force directory mode</parameter> + </link>.</para> + + <para>Default: <command>inherit permissions = no</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="interfaces">interfaces (G)</term> + <listitem><para>This option allows you to override the default + network interfaces list that Samba will use for browsing, name + registration and other NBT traffic. By default Samba will query + the kernel for the list of all active interfaces and use any + interfaces except 127.0.0.1 that are broadcast capable.</para> + + <para>The option takes a list of interface strings. Each string + can be in any of the following forms:</para> + + <itemizedlist> + <listitem><para>a network interface name (such as eth0). + This may include shell-like wildcards so eth* will match + any interface starting with the substring "eth"</para></listitem> + + <listitem><para>an IP address. In this case the netmask is + determined from the list of interfaces obtained from the + kernel</para></listitem> + + <listitem><para>an IP/mask pair. </para></listitem> + + <listitem><para>a broadcast/mask pair.</para></listitem> + </itemizedlist> + + <para>The "mask" parameters can either be a bit length (such + as 24 for a C class network) or a full netmask in dotted + decmal form.</para> + + <para>The "IP" parameters above can either be a full dotted + decimal IP address or a hostname which will be looked up via + the OSes normal hostname resolution mechanisms.</para> + + <para>For example, the following line:</para> + + <para><command>interfaces = eth0 192.168.2.10/24 192.168.3.10/255.255.255.0 + </command></para> + + <para>would configure three network interfaces corresponding + to the eth0 device and IP addresses 192.168.2.10 and 192.168.3.10. + The netmasks of the latter two interfaces would be set to 255.255.255.0.</para> + + <para>See also <link linkend="bindinterfacesonly"><parameter>bind + interfaces only</parameter></link>.</para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="invalidusers">invalid users (S)</term> + <listitem><para>This is a list of users that should not be allowed + to login to this service. This is really a <emphasis>paranoid</emphasis> + check to absolutely ensure an improper setting does not breach + your security.</para> + + <para>A name starting with a '@' is interpreted as an NIS + netgroup first (if your system supports NIS), and then as a UNIX + group if the name was not found in the NIS netgroup database.</para> + + <para>A name starting with '+' is interpreted only + by looking in the UNIX group database. A name starting with + '&' is interpreted only by looking in the NIS netgroup database + (this requires NIS to be working on your system). The characters + '+' and '&' may be used at the start of the name in either order + so the value <parameter>+&group</parameter> means check the + UNIX group database, followed by the NIS netgroup database, and + the value <parameter>&+group"</parameter> means check the NIS + netgroup database, followed by the UNIX group database (the + same as the '@' prefix).</para> + + <para>The current servicename is substituted for <parameter>%S</parameter>. + This is useful in the [homes] section.</para> + + <para>See also <link linkend="validusers"><parameter>valid users + </parameter></link>.</para> + + <para>Default: <emphasis>no invalid users</emphasis></para> + <para>Example: <command>invalid users = root fred admin @wheel + </command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="keepalive">keepalive (G)</term> + <listitem><para>The value of the parameter (an integer) represents + the number of seconds between <parameter>keepalive</parameter> + packets. If this parameter is zero, no keepalive packets will be + sent. Keepalive packets, if sent, allow the server to tell whether + a client is still present and responding.</para> + + <para>Keepalives should, in general, not be needed if the socket + being used has the SO_KEEPALIVE attribute set on it (see <link + linkend="socketoptions"><parameter>socket options</parameter></link>). + Basically you should only use this option if you strike difficulties.</para> + + <para>Default: <command>keepalive = 0</command></para> + <para>Example: <command>keepalive = 60</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="kerneloplocks">kernel oplocks (G)</term> + <listitem><para>For UNIXs that support kernel based <link + linkend="oplocks"><parameter>oplocks</parameter></link> + (currently only IRIX and the Linux 2.4 kernel), this parameter + allows the use of them to be turned on or off.</para> + + <para>Kernel oplocks support allows Samba <parameter>oplocks + </parameter> to be broken whenever a local UNIX process or NFS operation + accesses a file that <ulink url="smbd.8.html"><command>smbd(8)</command> + </ulink> has oplocked. This allows complete data consistency between + SMB/CIFS, NFS and local file access (and is a <emphasis>very</emphasis> + cool feature :-).</para> + + <para>This parameter defaults to <constant>on</constant> on systems + that have the support, and <constant>off</constant> on systems that + don't. You should never need to touch this parameter.</para> + + <para>See also the <link linkend="oplocks"><parameter>oplocks</parameter> + </link> and <link linkend="level2oplocks"><parameter>level2 oplocks + </parameter></link> parameters.</para> + + <para>Default: <command>kernel oplocks = yes</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="level2oplocks">level2 oplocks (S)</term> + <listitem><para>This parameter controls whether Samba supports + level2 (read-only) oplocks on a share.</para> + + <para>Level2, or read-only oplocks allow Windows NT clients + that have an oplock on a file to downgrade from a read-write oplock + to a read-only oplock once a second client opens the file (instead + of releasing all oplocks on a second open, as in traditional, + exclusive oplocks). This allows all openers of the file that + support level2 oplocks to cache the file for read-ahead only (ie. + they may not cache writes or lock requests) and increases performance + for many acesses of files that are not commonly written (such as + application .EXE files).</para> + + <para>Once one of the clients which have a read-only oplock + writes to the file all clients are notified (no reply is needed + or waited for) and told to break their oplocks to "none" and + delete any read-ahead caches.</para> + + <para>It is recommended that this parameter be turned on + to speed access to shared executables (and also to test + the code :-).</para> + + <para>For more discussions on level2 oplocks see the CIFS spec.</para> + + <para>Currently, if <link linkend="kerneloplocks"><parameter>kernel + oplocks</parameter></link> are supported then level2 oplocks are + not granted (even if this parameter is set to <constant>yes</constant>). + Note also, the <link linkend="oplocks"><parameter>oplocks</parameter> + </link> parameter must be set to "true" on this share in order for + this parameter to have any effect.</para> + + <para>See also the <link linkend="oplocks"><parameter>oplocks</parameter> + </link> and <link linkend="oplocks"><parameter>kernel oplocks</parameter> + </link> parameters.</para> + + <para>Default: <command>level2 oplocks = False</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="lmannounce">lm announce (G)</term> + <listitem><para>This parameter determines if <ulink url="nmbd.8.html"> + <command>nmbd(8)</command></ulink> will produce Lanman announce + broadcasts that are needed by OS/2 clients in order for them to see + the Samba server in their browse list. This parameter can have three + values, <constant>true</constant>, <constant>false</constant>, or + <constant>auto</constant>. The default is <constant>auto</constant>. + If set to <constant>false</constant> Samba will never produce these + broadcasts. If set to <constant>true</constant> Samba will produce + Lanman announce broadcasts at a frequency set by the parameter + <parameter>lm interval</parameter>. If set to <constant>auto</constant> + Samba will not send Lanman announce broadcasts by default but will + listen for them. If it hears such a broadcast on the wire it will + then start sending them at a frequency set by the parameter + <parameter>lm interval</parameter>.</para> + + <para>See also <link linkend="lminterval"><parameter>lm interval + </parameter></link>.</para> + + <para>Default: <command>lm announce = auto</command></para> + <para>Example: <command>lm announce = true</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="lminterval">lm interval (G)</term> + <listitem><para>If Samba is set to produce Lanman announce + broadcasts needed by OS/2 clients (see the <link linkend="lmannounce"> + <parameter>lm announce</parameter></link> parameter) then this + parameter defines the frequency in seconds with which they will be + made. If this is set to zero then no Lanman announcements will be + made despite the setting of the <parameter>lm announce</parameter> + parameter.</para> + + <para>See also <link linkend="lmannounce"><parameter>lm + announce</parameter></link>.</para> + + <para>Default: <command>lm interval = 60</command></para> + <para>Example: <command>lm interval = 120</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="loadprinters">load printers (G)</term> + <listitem><para>A boolean variable that controls whether all + printers in the printcap will be loaded for browsing by default. + See the <link linkend="printersect">printers</link> section for + more details.</para> + + <para>Default: <command>load printers = yes</command></para></listitem> + </varlistentry> + + + + + <varlistentry> + <term id="localmaster">local master (G)</term> + <listitem><para>This option allows <ulink url="nmbd.8.html"><command> + nmbd(8)</command></ulink> to try and become a local master browser + on a subnet. If set to <constant>False</constant> then <command> + nmbd</command> will not attempt to become a local master browser + on a subnet and will also lose in all browsing elections. By + default this value is set to true. Setting this value to true doesn't + mean that Samba will <emphasis>become</emphasis> the local master + browser on a subnet, just that <command>nmbd</command> will <emphasis> + participate</emphasis> in elections for local master browser.</para> + + <para>Setting this value to False will cause <command>nmbd</command> + <emphasis>never</emphasis> to become a local master browser.</para> + + <para>Default: <command>local master = yes</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="lockdir">lock dir (G)</term> + <listitem><para>Synonym for <link linkend="lockdirectory"><parameter> + lock directory</parameter></link>.</para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="lockdirectory">lock directory (G)</term> + <listitem><para>This option specifies the directory where lock + files will be placed. The lock files are used to implement the + <link linkend="maxconnections"><parameter>max connections</parameter> + </link> option.</para> + + <para>Default: <command>lock directory = /tmp/samba</command></para> + <para>Example: <command>lock directory = /usr/local/samba/var/locks</command> + </para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="locking">locking (S)</term> + <listitem><para>This controls whether or not locking will be + performed by the server in response to lock requests from the + client.</para> + + <para>If <command>locking = no</command>, all lock and unlock requests + will appear to succeed and all lock queries will indicate that the + queried lock is clear.</para> + + <para>If <command>locking = yes</command>, real locking will be performed + by the server.</para> + + <para>This option <emphasis>may</emphasis> be useful for read-only + filesystems which <emphasis>may</emphasis> not need locking (such as + cdrom drives), although setting this parameter of <constant>no</constant> + is not really recommended even in this case.</para> + + <para>Be careful about disabling locking either globally or in a + specific service, as lack of locking may result in data corruption. + You should never need to set this parameter.</para> + + <para>Default: <command>locking = yes</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="logfile">log file (G)</term> + <listitem><para>This options allows you to override the name + of the Samba log file (also known as the debug file).</para> + + <para>This option takes the standard substitutions, allowing + you to have separate log files for each user or machine.</para> + + <para>Example: <command>log file = /usr/local/samba/var/log.%m + </command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="loglevel">log level (G)</term> + <listitem><para>Synonym for <link linkend="debuglevel"><parameter> + debug level</parameter></link>.</para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="logondrive">logon drive (G)</term> + <listitem><para>This parameter specifies the local path to + which the home directory will be connected (see <link + linkend="logonhome"><parameter>logon home</parameter></link>) + and is only used by NT Workstations. </para> + + <para>Note that this option is only useful if Samba is set up as a + logon server.</para> + + <para>Default: <command>logon drive = z:</command></para> + <para>Example: <command>logon drive = h:</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="logonhome">logon home (G)</term> + <listitem><para>This parameter specifies the home directory + location when a Win95/98 or NT Workstation logs into a Samba PDC. + It allows you to do </para> + + <para><prompt>C:\> </prompt><userinput>NET USE H: /HOME</userinput> + </para> + + <para>from a command prompt, for example.</para> + + <para>This option takes the standard substitutions, allowing + you to have separate logon scripts for each user or machine.</para> + + <para>This parameter can be used with Win9X workstations to ensure + that roaming profiles are stored in a subdirectory of the user's + home directory. This is done in the following way:</para> + + <para><command>logon home = \\%L\%U\profile</command></para> + + <para>This tells Samba to return the above string, with + substitutions made when a client requests the info, generally + in a NetUserGetInfo request. Win9X clients truncate the info to + \\server\share when a user does <command>net use /home"</command> + but use the whole string when dealing with profiles.</para> + + <para>Note that in prior versions of Samba, the <link linkend="logonpath"> + <parameter>logon path</parameter></link> was returned rather than + <parameter>logon home</parameter>. This broke <command>net use + /home</command> but allowed profiles outside the home directory. + The current implementation is correct, and can be used for + profiles if you use the above trick.</para> + + <para>This option is only useful if Samba is set up as a logon + server.</para> + + <para>Default: <command>logon home = "\\%N\%U"</command></para> + <para>Example: <command>logon home = "\\remote_smb_server\%U"</command> + </para></listitem> + </varlistentry> + + + <varlistentry> + <term id="logonpath">logon path (G)</term> + <listitem><para>This parameter specifies the home directory + where roaming profiles (NTuser.dat etc files for Windows NT) are + stored. Contrary to previous versions of these manual pages, it has + nothing to do with Win 9X roaming profiles. To find out how to + handle roaming profiles for Win 9X system, see the <link linkend="logonhome"> + <parameter>logon home</parameter></link> parameter.</para> + + <para>This option takes the standard substitutions, allowing you + to have separate logon scripts for each user or machine. It also + specifies the directory from which the "Application Data", + (<filename>desktop</filename>, <filename>start menu</filename>, + <filename>network neighborhood</filename>, <filename>programs</filename> + and other folders, and their contents, are loaded and displayed on + your Windows NT client.</para> + + <para>The share and the path must be readable by the user for + the preferences and directories to be loaded onto the Windows NT + client. The share must be writeable when the logs in for the first + time, in order that the Windows NT client can create the NTuser.dat + and other directories.</para> + + <para>Thereafter, the directories and any of the contents can, + if required, be made read-only. It is not advisable that the + NTuser.dat file be made read-only - rename it to NTuser.man to + achieve the desired effect (a <emphasis>MAN</emphasis>datory + profile). </para> + + <para>Windows clients can sometimes maintain a connection to + the [homes] share, even though there is no user logged in. + Therefore, it is vital that the logon path does not include a + reference to the homes share (i.e. setting this parameter to + \%N\%U\profile_path will cause problems).</para> + + <para>This option takes the standard substitutions, allowing + you to have separate logon scripts for each user or machine.</para> + + <para>Note that this option is only useful if Samba is set up + as a logon server.</para> + + <para>Default: <command>logon path = \\%N\%U\profile</command></para> + <para>Example: <command>logon path = \\PROFILESERVER\PROFILE\%U</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="logonscript">logon script (G)</term> + <listitem><para>This parameter specifies the batch file (.bat) or + NT command file (.cmd) to be downloaded and run on a machine when + a user successfully logs in. The file must contain the DOS + style cr/lf line endings. Using a DOS-style editor to create the + file is recommended.</para> + + <para>The script must be a relative path to the [netlogon] + service. If the [netlogon] service specifies a <link linkend="path"> + <parameter>path</parameter></link> of <filename>/usr/local/samba/netlogon + </filename>, and <command>logon script = STARTUP.BAT</command>, then + the file that will be downloaded is:</para> + + <para><filename>/usr/local/samba/netlogon/STARTUP.BAT</filename></para> + + <para>The contents of the batch file is entirely your choice. A + suggested command would be to add <command>NET TIME \\SERVER /SET + /YES</command>, to force every machine to synchronize clocks with + the same time server. Another use would be to add <command>NET USE + U: \\SERVER\UTILS</command> for commonly used utilities, or <command> + NET USE Q: \\SERVER\ISO9001_QA</command> for example.</para> + + <para>Note that it is particularly important not to allow write + access to the [netlogon] share, or to grant users write permission + on the batch files in a secure environment, as this would allow + the batch files to be arbitrarily modified and security to be + breached.</para> + + <para>This option takes the standard substitutions, allowing you + to have separate logon scripts for each user or machine.</para> + + <para>This option is only useful if Samba is set up as a logon + server.</para> + + <para>Default: <emphasis>no logon script defined</emphasis></para> + <para>Example: <command>logon script = scripts\%U.bat</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="lppausecommand">lppause command (S)</term> + <listitem><para>This parameter specifies the command to be + executed on the server host in order to stop printing or spooling + a specific print job.</para> + + <para>This command should be a program or script which takes + a printer name and job number to pause the print job. One way + of implementing this is by using job priorities, where jobs + having a too low priority won't be sent to the printer.</para> + + <para>If a <parameter>%p</parameter> is given then the printername + is put in its place. A <parameter>%j</parameter> is replaced with + the job number (an integer). On HPUX (see <parameter>printing=hpux + </parameter>), if the <parameter>-p%p</parameter> option is added + to the lpq command, the job will show up with the correct status, i.e. + if the job priority is lower than the set fence priority it will + have the PAUSED status, whereas if the priority is equal or higher it + will have the SPOOLED or PRINTING status.</para> + + <para>Note that it is good practice to include the absolute path + in the lppause command as the PATH may not be available to the server.</para> + + <para>See also the <link linkend="printing"><parameter>printing + </parameter></link> parameter.</para> + + <para>Default: Currently no default value is given to + this string, unless the value of the <parameter>printing</parameter> + parameter is <constant>SYSV</constant>, in which case the default is :</para> + + <para><command>lp -i %p-%j -H hold</command></para> + + <para>or if the value of the <parameter>printing</parameter> parameter + is <constant>SOFTQ</constant>, then the default is:</para> + + <para><command>qstat -s -j%j -h</command></para> + + <para>Example for HPUX: <command>lppause command = /usr/bin/lpalt + %p-%j -p0</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="lpqcachetime">lpq cache time (G)</term> + <listitem><para>This controls how long lpq info will be cached + for to prevent the <command>lpq</command> command being called too + often. A separate cache is kept for each variation of the <command> + lpq</command> command used by the system, so if you use different + <command>lpq</command> commands for different users then they won't + share cache information.</para> + + <para>The cache files are stored in <filename>/tmp/lpq.xxxx</filename> + where xxxx is a hash of the <command>lpq</command> command in use.</para> + + <para>The default is 10 seconds, meaning that the cached results + of a previous identical <command>lpq</command> command will be used + if the cached data is less than 10 seconds old. A large value may + be advisable if your <command>lpq</command> command is very slow.</para> + + <para>A value of 0 will disable caching completely.</para> + + <para>See also the <link linkend="printing"><parameter>printing + </parameter></link> parameter.</para> + + <para>Default: <command>lpq cache time = 10</command></para> + <para>Example: <command>lpq cache time = 30</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="lpqcommand">lpq command (S)</term> + <listitem><para>This parameter specifies the command to be + executed on the server host in order to obtain <command>lpq + </command>-style printer status information.</para> + + <para>This command should be a program or script which + takes a printer name as its only parameter and outputs printer + status information.</para> + + <para>Currently eight styles of printer status information + are supported; BSD, AIX, LPRNG, PLP, SYSV, HPUX, QNX and SOFTQ. + This covers most UNIX systems. You control which type is expected + using the <parameter>printing =</parameter> option.</para> + + <para>Some clients (notably Windows for Workgroups) may not + correctly send the connection number for the printer they are + requesting status information about. To get around this, the + server reports on the first printer service connected to by the + client. This only happens if the connection number sent is invalid.</para> + + <para>If a <parameter>%p</parameter> is given then the printername + is put in its place. Otherwise it is placed at the end of the + command.</para> + + <para>Note that it is good practice to include the absolute path + in the <parameter>lpq command</parameter> as the PATH may not be + available to the server.</para> + + <para>See also the <link linkend="printing"><parameter>printing + </parameter></link> parameter.</para> + + <para>Default: <emphasis>depends on the setting of <parameter> + printing</parameter></emphasis></para> + + <para>Example: <command>lpq command = /usr/bin/lpq %p</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="lpresumecommand">lpresume command (S)</term> + <listitem><para>This parameter specifies the command to be + executed on the server host in order to restart or continue + printing or spooling a specific print job.</para> + + <para>This command should be a program or script which takes + a printer name and job number to resume the print job. See + also the <link linkend="lppausecommand"><parameter>lppause command + </parameter></link> parameter.</para> + + <para>If a <parameter>%p</parameter> is given then the printername + is put in its place. A <parameter>%j</parameter> is replaced with + the job number (an integer).</para> + + <para>Note that it is good practice to include the absolute path + in the <parameter>lpresume command</parameter> as the PATH may not + be available to the server.</para> + + <para>See also the <link linkend="printing"><parameter>printing + </parameter></link> parameter.</para> + + <para>Default: Currently no default value is given + to this string, unless the value of the <parameter>printing</parameter> + parameter is <constant>SYSV</constant>, in which case the default is :</para> + + <para><command>lp -i %p-%j -H resume</command></para> + + <para>or if the value of the <parameter>printing</parameter> parameter + is <constant>SOFTQ</constant>, then the default is:</para> + + <para><command>qstat -s -j%j -r</command></para> + + <para>Example for HPUX: <command>lpresume command = /usr/bin/lpalt + %p-%j -p2</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="lprmcommand">lprm command (S)</term> + <listitem><para>This parameter specifies the command to be + executed on the server host in order to delete a print job.</para> + + <para>This command should be a program or script which takes + a printer name and job number, and deletes the print job.</para> + + <para>If a <parameter>%p</parameter> is given then the printername + is put in its place. A <parameter>%j</parameter> is replaced with + the job number (an integer).</para> + + <para>Note that it is good practice to include the absolute + path in the <parameter>lprm command</parameter> as the PATH may not be + available to the server.</para> + + <para>See also the <link linkend="printing"><parameter>printing + </parameter></link> parameter.</para> + + <para>Default: <emphasis>depends on the setting of <parameter>printing + </parameter></emphasis></para> + + <para>Example 1: <command>lprm command = /usr/bin/lprm -P%p %j + </command></para> + <para>Example 2: <command>lprm command = /usr/bin/cancel %p-%j + </command></para></listitem> + </varlistentry> + + + + <varlistentry> + <term id="machinepasswordtimeout">machine password timeout (G)</term> + <listitem><para>If a Samba server is a member of an Windows + NT Domain (see the <link linkend="securitydomain">security=domain</link>) + parameter) then periodically a running <ulink url="smbd.8.html"> + smbd(8)</ulink> process will try and change the MACHINE ACCOUNT + PASSWORD stored in the TDB called <filename>private/secrets.tdb + </filename>. This parameter specifies how often this password + will be changed, in seconds. The default is one week (expressed in + seconds), the same as a Windows NT Domain member server.</para> + + <para>See also <ulink url="smbpasswd.8.html"><command>smbpasswd(8) + </command></ulink>, and the <link linkend="securitydomain"> + security=domain</link>) parameter.</para> + + <para>Default: <command>machine password timeout = 604800</command></para> + </listitem> + </varlistentry> + + + <varlistentry> + <term id="magicoutput">magic output (S)</term> + <listitem><para>This parameter specifies the name of a file + which will contain output created by a magic script (see the + <link linkend="magicscript"><parameter>magic script</parameter></link> + parameter below).</para> + + <para>Warning: If two clients use the same <parameter>magic script + </parameter> in the same directory the output file content + is undefined.</para> + + <para>Default: <command>magic output = <magic script name>.out + </command></para> + + <para>Example: <command>magic output = myfile.txt</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="magicscript">magic script (S)</term> + <listitem><para>This parameter specifies the name of a file which, + if opened, will be executed by the server when the file is closed. + This allows a UNIX script to be sent to the Samba host and + executed on behalf of the connected user.</para> + + <para>Scripts executed in this way will be deleted upon + completion, permissions permitting.</para> + + <para>If the script generates output, output will be sent to + the file specified by the <link linkend="magicoutput"><parameter> + magic output</parameter></link> parameter (see above).</para> + + <para>Note that some shells are unable to interpret scripts + containing carriage-return-linefeed instead of linefeed as + the end-of-line marker. Magic scripts must be executable + <emphasis>as is</emphasis> on the host, which for some hosts and + some shells will require filtering at the DOS end.</para> + + <para>Magic scripts are <emphasis>EXPERIMENTAL</emphasis> and + should <emphasis>NOT</emphasis> be relied upon.</para> + + <para>Default: <emphasis>None. Magic scripts disabled.</emphasis></para> + <para>Example: <command>magic script = user.csh</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="manglecase">mangle case (S)</term> + <listitem><para>See the section on <link linkend="manmaglingsect"> + NAME MANGLING</link></para> + </listitem> + </varlistentry> + + + <varlistentry> + <term id="mangledmap">mangled map (S)</term> + <listitem><para>This is for those who want to directly map UNIX + file names which can not be represented on Windows/DOS. The mangling + of names is not always what is needed. In particular you may have + documents with file extensions that differ between DOS and UNIX. + For example, under UNIX it is common to use <filename>.html</filename> + for HTML files, whereas under Windows/DOS <filename>.htm</filename> + is more commonly used.</para> + + <para>So to map <filename>html</filename> to <filename>htm</filename> + you would use:</para> + + <para><command>mangled map = (*.html *.htm)</command></para> + + <para>One very useful case is to remove the annoying <filename>;1 + </filename> off the ends of filenames on some CDROMS (only visible + under some UNIXs). To do this use a map of (*;1 *;).</para> + + <para>Default: <emphasis>no mangled map</emphasis></para> + <para>Example: <command>mangled map = (*;1 *;)</command></para> + </listitem> + </varlistentry> + + + <varlistentry> + <term id="manglednames">mangled names (S)</term> + <listitem><para>This controls whether non-DOS names under UNIX + should be mapped to DOS-compatible names ("mangled") and made visible, + or whether non-DOS names should simply be ignored.</para> + + <para>See the section on <link linkend="namemanglingsect"> + NAME MANGLING</link> for details on how to control the mangling process.</para> + + <para>If mangling is used then the mangling algorithm is as follows:</para> + + <itemizedlist> + <listitem><para>The first (up to) five alphanumeric characters + before the rightmost dot of the filename are preserved, forced + to upper case, and appear as the first (up to) five characters + of the mangled name.</para></listitem> + + <listitem><para>A tilde "~" is appended to the first part of the mangled + name, followed by a two-character unique sequence, based on the + original root name (i.e., the original filename minus its final + extension). The final extension is included in the hash calculation + only if it contains any upper case characters or is longer than three + characters.</para> + + <para>Note that the character to use may be specified using + the <link linkend="manglingchar"><parameter>mangling char</parameter> + </link> option, if you don't like '~'.</para></listitem> + + <listitem><para>The first three alphanumeric characters of the final + extension are preserved, forced to upper case and appear as the + extension of the mangled name. The final extension is defined as that + part of the original filename after the rightmost dot. If there are no + dots in the filename, the mangled name will have no extension (except + in the case of "hidden files" - see below).</para></listitem> + + <listitem><para>Files whose UNIX name begins with a dot will be + presented as DOS hidden files. The mangled name will be created as + for other filenames, but with the leading dot removed and "___" as + its extension regardless of actual original extension (that's three + underscores).</para></listitem> + </itemizedlist> + + <para>The two-digit hash value consists of upper case + alphanumeric characters.</para> + + <para>This algorithm can cause name collisions only if files + in a directory share the same first five alphanumeric characters. + The probability of such a clash is 1/1300.</para> + + <para>The name mangling (if enabled) allows a file to be + copied between UNIX directories from Windows/DOS while retaining + the long UNIX filename. UNIX files can be renamed to a new extension + from Windows/DOS and will retain the same basename. Mangled names + do not change between sessions.</para> + + <para>Default: <command>mangled names = yes</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="manglingchar">mangling char (S)</term> + <listitem><para>This controls what character is used as + the <emphasis>magic</emphasis> character in <link + linkend="namemanglingsect">name mangling</link>. The default is a '~' + but this may interfere with some software. Use this option to set + it to whatever you prefer.</para> + + <para>Default: <command>mangling char = ~</command></para> + <para>Example: <command>mangling char = ^</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="mangledstack">mangled stack (G)</term> + <listitem><para>This parameter controls the number of mangled names + that should be cached in the Samba server <ulink url="smbd.8.html"> + smbd(8)</ulink>.</para> + + <para>This stack is a list of recently mangled base names + (extensions are only maintained if they are longer than 3 characters + or contains upper case characters).</para> + + <para>The larger this value, the more likely it is that mangled + names can be successfully converted to correct long UNIX names. + However, large stack sizes will slow most directory access. Smaller + stacks save memory in the server (each stack element costs 256 bytes). + </para> + + <para>It is not possible to absolutely guarantee correct long + file names, so be prepared for some surprises!</para> + + <para>Default: <command>mangled stack = 50</command></para> + <para>Example: <command>mangled stack = 100</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="maparchive">map archive (S)</term> + <listitem><para>This controls whether the DOS archive attribute + should be mapped to the UNIX owner execute bit. The DOS archive bit + is set when a file has been modified since its last backup. One + motivation for this option it to keep Samba/your PC from making + any file it touches from becoming executable under UNIX. This can + be quite annoying for shared source code, documents, etc...</para> + + <para>Note that this requires the <parameter>create mask</parameter> + parameter to be set such that owner execute bit is not masked out + (i.e. it must include 100). See the parameter <link linkend="createmask"> + <parameter>create mask</parameter></link> for details.</para> + + <para>Default: <command>map archive = yes</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="maphidden">map hidden (S)</term> + <listitem><para>This controls whether DOS style hidden files + should be mapped to the UNIX world execute bit.</para> + + <para>Note that this requires the <parameter>create mask</parameter> + to be set such that the world execute bit is not masked out (i.e. + it must include 001). See the parameter <link linkend="createmask"> + <parameter>create mask</parameter></link> for details.</para> + + <para>Default: <command>map hidden = no</command></para> + </listitem> + </varlistentry> + + + <varlistentry> + <term id="mapsystem">map system (S)</term> + <listitem><para>This controls whether DOS style system files + should be mapped to the UNIX group execute bit.</para> + + <para>Note that this requires the <parameter>create mask</parameter> + to be set such that the group execute bit is not masked out (i.e. + it must include 010). See the parameter <link linkend="createmask"> + <parameter>create mask</parameter></link> for details.</para> + + <para>Default: <command>map system = no</command></para> + </listitem> + </varlistentry> + + + <varlistentry> + <term id="maptoguest">map to guest (G)</term> + <listitem><para>This parameter is only useful in <link linkend="security"> + security</link> modes other than <parameter>security=share</parameter> + - i.e. <constant>user</constant>, <constant>server</constant>, + and <constant>domain</constant>.</para> + + <para>This parameter can take three different values, which tell + <ulink url="smbd.8.html">smbd(8)</ulink> what to do with user + login requests that don't match a valid UNIX user in some way.</para> + + <para>The three settings are :</para> + + <itemizedlist> + <listitem><para><constant>Never</constant> - Means user login + requests with an invalid password are rejected. This is the + default.</para></listitem> + + <listitem><para><constant>Bad User</constant> - Means user + logins with an invalid password are rejected, unless the username + does not exist, in which case it is treated as a guest login and + mapped into the <link linkend="guestaccount"><parameter> + guest account</parameter></link>.</para></listitem> + + <listitem><para><constant>Bad Password</constant> - Means user logins + with an invalid password are treated as a guest login and mapped + into the <link linkend="guestaccount">guest account</link>. Note that + this can cause problems as it means that any user incorrectly typing + their password will be silently logged on as a "guest" - and + will not know the reason they cannot access files they think + they should - there will have been no message given to them + that they got their password wrong. Helpdesk services will + <emphasis>hate</emphasis> you if you set the <parameter>map to + guest</parameter> parameter this way :-).</para></listitem> + </itemizedlist> + + <para>Note that this parameter is needed to set up "Guest" + share services when using <parameter>security</parameter> modes other than + share. This is because in these modes the name of the resource being + requested is <emphasis>not</emphasis> sent to the server until after + the server has successfully authenticated the client so the server + cannot make authentication decisions at the correct time (connection + to the share) for "Guest" shares.</para> + + <para>For people familiar with the older Samba releases, this + parameter maps to the old compile-time setting of the <constant> + GUEST_SESSSETUP</constant> value in local.h.</para> + + <para>Default: <command>map to guest = Never</command></para> + <para>Example: <command>map to guest = Bad User</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="maxconnections">max connections (S)</term> + <listitem><para>This option allows the number of simultaneous + connections to a service to be limited. If <parameter>max connections + </parameter> is greater than 0 then connections will be refused if + this number of connections to the service are already open. A value + of zero mean an unlimited number of connections may be made.</para> + + <para>Record lock files are used to implement this feature. The + lock files will be stored in the directory specified by the <link + linkend="lockdirectory"><parameter>lock directory</parameter></link> + option.</para> + + <para>Default: <command>max connections = 0</command></para> + <para>Example: <command>max connections = 10</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="maxdisksize">max disk size (G)</term> + <listitem><para>This option allows you to put an upper limit + on the apparent size of disks. If you set this option to 100 + then all shares will appear to be not larger than 100 MB in + size.</para> + + <para>Note that this option does not limit the amount of + data you can put on the disk. In the above case you could still + store much more than 100 MB on the disk, but if a client ever asks + for the amount of free disk space or the total disk size then the + result will be bounded by the amount specified in <parameter>max + disk size</parameter>.</para> + + <para>This option is primarily useful to work around bugs + in some pieces of software that can't handle very large disks, + particularly disks over 1GB in size.</para> + + <para>A <parameter>max disk size</parameter> of 0 means no limit.</para> + + <para>Default: <command>max disk size = 0</command></para> + <para>Example: <command>max disk size = 1000</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="maxlogsize">max log size (G)</term> + <listitem><para>This option (an integer in kilobytes) specifies + the max size the log file should grow to. Samba periodically checks + the size and if it is exceeded it will rename the file, adding + a <filename>.old</filename> extension.</para> + + <para>A size of 0 means no limit.</para> + + <para>Default: <command>max log size = 5000</command></para> + <para>Example: <command>max log size = 1000</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="maxmux">max mux (G)</term> + <listitem><para>This option controls the maximum number of + outstanding simultaneous SMB operations that samba tells the client + it will allow. You should never need to set this parameter.</para> + + <para>Default: <command>max mux = 50</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="maxopenfiles">max open files (G)</term> + <listitem><para>This parameter limits the maximum number of + open files that one <ulink url="smbd.8.html">smbd(8)</ulink> file + serving process may have open for a client at any one time. The + default for this parameter is set very high (10,000) as Samba uses + only one bit per unopened file.</para> + + <para>The limit of the number of open files is usually set + by the UNIX per-process file descriptor limit rather than + this parameter so you should never need to touch this parameter.</para> + + <para>Default: <command>max open files = 10000</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="maxpacket">max packet (G)</term> + <listitem><para>Synonym for <link linkend="packetsize"><parameter> + packet size</parameter></link>.</para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="maxttl">max ttl (G)</term> + <listitem><para>This option tells <ulink url="nmbd.8.html">nmbd(8)</ulink> + what the default 'time to live' of NetBIOS names should be (in seconds) + when <command>nmbd</command> is requesting a name using either a + broadcast packet or from a WINS server. You should never need to + change this parameter. The default is 3 days.</para> + + <para>Default: <command>max ttl = 259200</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="maxwinsttl">max wins ttl (G)</term> + <listitem><para>This option tells <ulink url="nmbd.8.html">nmbd(8) + </ulink> when acting as a WINS server (<link linkend="winsupport"> + <parameter>wins support=yes</parameter></link>) what the maximum + 'time to live' of NetBIOS names that <command>nmbd</command> + will grant will be (in seconds). You should never need to change this + parameter. The default is 6 days (518400 seconds).</para> + + <para>See also the <link linkend="minwinsttl"><parameter>min + wins ttl"</parameter></link> parameter.</para> + + <para>Default: <command>max wins ttl = 518400</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="maxxmit">max xmit (G)</term> + <listitem><para>This option controls the maximum packet size + that will be negotiated by Samba. The default is 65535, which + is the maximum. In some cases you may find you get better performance + with a smaller value. A value below 2048 is likely to cause problems. + </para> + + <para>Default: <command>max xmit = 65535</command></para> + <para>Example: <command>max xmit = 8192</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="messagecommand">message command (G)</term> + <listitem><para>This specifies what command to run when the + server receives a WinPopup style message.</para> + + <para>This would normally be a command that would + deliver the message somehow. How this is to be done is + up to your imagination.</para> + + <para>An example is:</para> + + <para><command>message command = csh -c 'xedit %s;rm %s' &</command> + </para> + + <para>This delivers the message using <command>xedit</command>, then + removes it afterwards. <emphasis>NOTE THAT IT IS VERY IMPORTANT + THAT THIS COMMAND RETURN IMMEDIATELY</emphasis>. That's why I + have the '&' on the end. If it doesn't return immediately then + your PCs may freeze when sending messages (they should recover + after 30secs, hopefully).</para> + + <para>All messages are delivered as the global guest user. + The command takes the standard substitutions, although <parameter> + %u</parameter> won't work (<parameter>%U</parameter> may be better + in this case).</para> + + <para>Apart from the standard substitutions, some additional + ones apply. In particular:</para> + + <itemizedlist> + <listitem><para><parameter>%s</parameter> = the filename containing + the message.</para></listitem> + + <listitem><para><parameter>%t</parameter> = the destination that + the message was sent to (probably the server name).</para></listitem> + + <listitem><para><parameter>%f</parameter> = who the message + is from.</para></listitem> + </itemizedlist> + + <para>You could make this command send mail, or whatever else + takes your fancy. Please let us know of any really interesting + ideas you have.</para> + + + <para>Here's a way of sending the messages as mail to root:</para> + + <para><command>message command = /bin/mail -s 'message from %f on + %m' root < %s; rm %s</command></para> + + <para>If you don't have a message command then the message + won't be delivered and Samba will tell the sender there was + an error. Unfortunately WfWg totally ignores the error code + and carries on regardless, saying that the message was delivered. + </para> + + <para>If you want to silently delete it then try:</para> + + <para><command>message command = rm %s</command></para> + + <para>Default: <emphasis>no message command</emphasis></para> + <para>Example: <command>message command = csh -c 'xedit %s; + rm %s' &</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="minprintspace">min print space (S)</term> + <listitem><para>This sets the minimum amount of free disk + space that must be available before a user will be able to spool + a print job. It is specified in kilobytes. The default is 0, which + means a user can always spool a print job.</para> + + <para>See also the <link linkend="printing"><parameter>printing + </parameter></link> parameter.</para> + + <para>Default: <command>min print space = 0</command></para> + <para>Example: <command>min print space = 2000</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="minpasswdlength">min passwd length (G)</term> + <listitem><para>Synonym for <link linkend="minpasswordlength"> + <parameter>min password length</parameter></link>.</para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="minpasswordlength">min password length (G)</term> + <listitem><para>This option sets the minimum length in characters + of a plaintext password than smbd will accept when performing + UNIX password changing.</para> + + <para>See also <link linkend="unixpasswordsync"><parameter>unix + password sync</parameter></link>, <link linkend="passwdprogram"> + <parameter>passwd program</parameter></link> and <link + linkend="passwdchatdebug"><parameter>passwd chat debug</parameter> + </link>.</para> + + <para>Default: <command>min password length = 5</command></para> + </listitem> + </varlistentry> + + + <varlistentry> + <term id="minwinsttl">min wins ttl (G)</term> + <listitem><para>This option tells <ulink url="nmbd.8.html">nmbd(8)</ulink> + when acting as a WINS server (<link linkend="winssupport"><parameter> + wins support = yes</parameter></link>) what the minimum 'time to live' + of NetBIOS names that <command>nmbd</command> will grant will be (in + seconds). You should never need to change this parameter. The default + is 6 hours (21600 seconds).</para> + + <para>Default: <command>min wins ttl = 21600</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="nameresolveorder">name resolve order (G)</term> + <listitem><para>This option is used by the programs in the Samba + suite to determine what naming services and in what order to resolve + host names to IP addresses. The option takes a space separated + string of different name resolution options.</para> + + <para>The options are :"lmhosts", "host", "wins" and "bcast". They + cause names to be resolved as follows :</para> + + <itemizedlist> + <listitem><para><constant>lmhosts</constant> : Lookup an IP + address in the Samba lmhosts file. If the line in lmhosts has + no name type attached to the NetBIOS name (see the <ulink + url="lmhosts.5.html">lmhosts(5)</ulink> for details) then + any name type matches for lookup.</para></listitem> + + <listitem><para><constant>host</constant> : Do a standard host + name to IP address resolution, using the system <filename>/etc/hosts + </filename>, NIS, or DNS lookups. This method of name resolution + is operating system depended for instance on IRIX or Solaris this + may be controlled by the <filename>/etc/nsswitch.conf</filename> + file). Note that this method is only used if the NetBIOS name + type being queried is the 0x20 (server) name type, otherwise + it is ignored.</para></listitem> + + <listitem><para><constant>wins</constant> : Query a name with + the IP address listed in the <link linkend="winsserver"><parameter> + wins server</parameter></link> parameter. If no WINS server has + been specified this method will be ignored.</para></listitem> + + <listitem><para><constant>bcast</constant> : Do a broadcast on + each of the known local interfaces listed in the <link + linkend="interfaces"><parameter>interfaces</parameter></link> + parameter. This is the least reliable of the name resolution + methods as it depends on the target host being on a locally + connected subnet.</para></listitem> + </itemizedlist> + + <para>Default: <command>name resolve order = lmhosts host wins bcast + </command></para> + <para>Example: <command>name resolve order = lmhosts bcast host + </command></para> + + <para>This will cause the local lmhosts file to be examined + first, followed by a broadcast attempt, followed by a normal + system hostname lookup.</para> + </listitem> + </varlistentry> + + + + + <varlistentry> + <term id="netbiosaliases">netbios aliases (G)</term> + <listitem><para>This is a list of NetBIOS names that <ulink + url="nmbd.8.html">nmbd(8)</ulink> will advertise as additional + names by which the Samba server is known. This allows one machine + to appear in browse lists under multiple names. If a machine is + acting as a browse server or logon server none + of these names will be advertised as either browse server or logon + servers, only the primary name of the machine will be advertised + with these capabilities.</para> + + <para>See also <link linkend="netbiosname"><parameter>netbios + name</parameter></link>.</para> + + <para>Default: <emphasis>empty string (no additional names)</emphasis></para> + <para>Example: <command>netbios aliases = TEST TEST1 TEST2</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="netbiosname">netbios name (G)</term> + <listitem><para>This sets the NetBIOS name by which a Samba + server is known. By default it is the same as the first component + of the host's DNS name. If a machine is a browse server or + logon server this name (or the first component + of the hosts DNS name) will be the name that these services are + advertised under.</para> + + <para>See also <link linkend="netbiosaliases"><parameter>netbios + aliases</parameter></link>.</para> + + <para>Default: <emphasis>machine DNS name</emphasis></para> + <para>Example: <command>netbios name = MYNAME</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="netbiosscope">netbios scope (G)</term> + <listitem><para>This sets the NetBIOS scope that Samba will + operate under. This should not be set unless every machine + on your LAN also sets this value.</para> + </listitem> + </varlistentry> + + + <varlistentry> + <term id="nishomedir">nis homedir (G)</term> + <listitem><para>Get the home share server from a NIS map. For + UNIX systems that use an automounter, the user's home directory + will often be mounted on a workstation on demand from a remote + server. </para> + + <para>When the Samba logon server is not the actual home directory + server, but is mounting the home directories via NFS then two + network hops would be required to access the users home directory + if the logon server told the client to use itself as the SMB server + for home directories (one over SMB and one over NFS). This can + be very slow.</para> + + <para>This option allows Samba to return the home share as + being on a different server to the logon server and as + long as a Samba daemon is running on the home directory server, + it will be mounted on the Samba client directly from the directory + server. When Samba is returning the home share to the client, it + will consult the NIS map specified in <link linkend="homedirmap"> + <parameter>homedir map</parameter></link> and return the server + listed there.</para> + + <para>Note that for this option to work there must be a working + NIS system and the Samba server with this option must also + be a logon server.</para> + + <para>Default: <command>nis homedir = no</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="ntaclsupport">nt acl support (G)</term> + <listitem><para>This boolean parameter controls whether + <ulink url="smbd.8.html">smbd(8)</ulink> will attempt to map + UNIX permissions into Windows NT access control lists.</para> + + <para>Default: <command>nt acl support = yes</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="ntpipesupport">nt pipe support (G)</term> + <listitem><para>This boolean parameter controls whether + <ulink url="smbd.8.html">smbd(8)</ulink> will allow Windows NT + clients to connect to the NT SMB specific <constant>IPC$</constant> + pipes. This is a developer debugging option and can be left + alone.</para> + + <para>Default: <command>nt pipe support = yes</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="ntsmbsupport">nt smb support (G)</term> + <listitem><para>This boolean parameter controls whether <ulink + url="smbd.8.html">smbd(8)</ulink> will negotiate NT specific SMB + support with Windows NT clients. Although this is a developer + debugging option and should be left alone, benchmarking has discovered + that Windows NT clients give faster performance with this option + set to <constant>no</constant>. This is still being investigated. + If this option is set to <constant>no</constant> then Samba offers + exactly the same SMB calls that versions prior to Samba 2.0 offered. + This information may be of use if any users are having problems + with NT SMB support.</para> + + <para>Default: <command>nt support = yes</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="nullpasswords">null passwords (G)</term> + <listitem><para>Allow or disallow client access to accounts + that have null passwords. </para> + + <para>See also <ulink url="smbpasswd.5.html">smbpasswd (5)</ulink>.</para> + + <para>Default: <command>null passwords = no</command></para> + </listitem> + </varlistentry> + + + <varlistentry> + <term id="olelockingcompatibility">ole locking compatibility (G)</term> + <listitem><para>This parameter allows an administrator to turn + off the byte range lock manipulation that is done within Samba to + give compatibility for OLE applications. Windows OLE applications + use byte range locking as a form of inter-process communication, by + locking ranges of bytes around the 2^32 region of a file range. This + can cause certain UNIX lock managers to crash or otherwise cause + problems. Setting this parameter to <constant>no</constant> means you + trust your UNIX lock manager to handle such cases correctly.</para> + + <para>Default: <command>ole locking compatibility = yes</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="onlyguest">only guest (S)</term> + <listitem><para>A synonym for <link linkend="guestonly"><parameter> + guest only</parameter></link>.</para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="onlyuser">only user (S)</term> + <listitem><para>This is a boolean option that controls whether + connections with usernames not in the <parameter>user</parameter> + list will be allowed. By default this option is disabled so a client + can supply a username to be used by the server.</para> + + <para>Note that this also means Samba won't try to deduce + usernames from the service name. This can be annoying for + the [homes] section. To get around this you could use <command>user = + %S</command> which means your <parameter>user</parameter> list + will be just the service name, which for home directories is the + name of the user.</para> + + <para>See also the <link linkend="user"><parameter>user</parameter> + </link> parameter.</para> + + <para>Default: <command>only user = no</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="oplocks">oplocks (S)</term> + <listitem><para>This boolean option tells smbd whether to + issue oplocks (opportunistic locks) to file open requests on this + share. The oplock code can dramatically (approx. 30% or more) improve + the speed of access to files on Samba servers. It allows the clients + to aggressively cache files ocally and you may want to disable this + option for unreliable network environments (it is turned on by + default in Windows NT Servers). For more information see the file + <filename>Speed.txt</filename> in the Samba <filename>docs/</filename> + directory.</para> + + <para>Oplocks may be selectively turned off on certain files on + a per share basis. See the <link linkend="vetooplockfiles"><parameter> + veto oplock files</parameter></link> parameter. On some systems + oplocks are recognized by the underlying operating system. This + allows data synchronization between all access to oplocked files, + whether it be via Samba or NFS or a local UNIX process. See the + <parameter>kernel oplocks</parameter> parameter for details.</para> + + <para>See also the <link linkend="kerneloplocks"><parameter>kernel + oplocks</parameter></link> and <link linkend="level2oplocks"><parameter> + level2 oplocks</parameter></link> parameters.</para> + + <para>Default: <command>oplocks = yes</command></para> + </listitem> + </varlistentry> + + + + <varlistentry> + <term id="oplockbreakwaittime">oplock break wait time (G)</term> + <listitem><para>This is a tuning parameter added due to bugs in + both Windows 9x and WinNT. If Samba responds to a client too + quickly when that client issues an SMB that can cause an oplock + break request, then the client redirector can fail and not respond + to the break request. This tuning parameter (which is set in milliseconds) + is the amount of time Samba will wait before sending an oplock break + request to such (broken) clients.</para> + + <para><emphasis>DO NOT CHANGE THIS PARAMETER UNLESS YOU HAVE READ + AND UNDERSTOOD THE SAMBA OPLOCK CODE</emphasis>.</para> + + <para>Default: <command>oplock break wait time = 10</command></para> + </listitem> + </varlistentry> + + + <varlistentry> + <term id="oplockcontentionlimit">oplock contention limit (S)</term> + <listitem><para>This is a <emphasis>very</emphasis> advanced + <ulink url="smbd.8.html">smbd(8)</ulink> tuning option to + improve the efficiency of the granting of oplocks under multiple + client contention for the same file.</para> + + <para>In brief it specifies a number, which causes smbd not to + grant an oplock even when requested if the approximate number of + clients contending for an oplock on the same file goes over this + limit. This causes <command>smbd</command> to behave in a similar + way to Windows NT.</para> + + <para><emphasis>DO NOT CHANGE THIS PARAMETER UNLESS YOU HAVE READ + AND UNDERSTOOD THE SAMBA OPLOCK CODE</emphasis>.</para> + + <para>Default: <command>oplock contention limit = 2</command></para> + </listitem> + </varlistentry> + + + </variablelist> + +</refsect1> + +<refsect1> + <title>WARNINGS</title> + + <para>Although the configuration file permits service names + to contain spaces, your client software may not. Spaces will + be ignored in comparisons anyway, so it shouldn't be a + problem - but be aware of the possibility.</para> + + <para>On a similar note, many clients - especially DOS clients - + limit service names to eight characters. <ulink url="smbd.8.html">smbd(8) + </ulink> has no such limitation, but attempts to connect from such + clients will fail if they truncate the service names. For this reason + you should probably keep your service names down to eight characters + in length.</para> + + <para>Use of the [homes] and [printers] special sections make life + for an administrator easy, but the various combinations of default + attributes can be tricky. Take extreme care when designing these + sections. In particular, ensure that the permissions on spool + directories are correct.</para> +</refsect1> + +<refsect1> + <title>VERSION</title> + + <para>This man page is correct for version 2.2 of + the Samba suite.</para> +</refsect1> + +<refsect1> + <title>SEE ALSO</title> + <para><ulink url="samba.7.html">samba(7)</ulink>, + <ulink url="smbpasswd.8.html"><command>smbpasswd(8)</command></ulink>, + <ulink url="swat.8.html"><command>swat(8)</command></ulink>, + <ulink url="smbd.8.html"><command>smbd(8)</command></ulink>, + <ulink url="nmbd.8.html"><command>nmbd(8)</command></ulink>, + <ulink url="smbclient.1.html"><command>smbclient(1)</command></ulink>, + <ulink url="nmblookup.1.html"><command>nmblookup(1)</command></ulink>, + <ulink url="testparm.1.html"><command>testparm(1)</command></ulink>, + <ulink url="testprns.1.html"><command>testprns(1)</command></ulink> + </para> +</refsect1> + +<refsect1> + <title>AUTHOR</title> + + <para>The original Samba software and related utilities + were created by Andrew Tridgell. Samba is now developed + by the Samba Team as an Open Source project similar + to the way the Linux kernel is developed.</para> + + <para>The original Samba man pages were written by Karl Auer. + The man page sources were converted to YODL format (another + excellent piece of Open Source software, available at + <ulink url="ftp://ftp.icce.rug.nl/pub/unix/"> + ftp://ftp.icce.rug.nl/pub/unix/</ulink>) and updated for the Samba 2.0 + release by Jeremy Allison. The conversion to DocBook for + Samba 2.2 was done by Gerald Carter</para> +</refsect1> + </refentry> |