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<?xml version="1.0"?>
<!DOCTYPE modulesynopsis SYSTEM "../style/modulesynopsis.dtd">
<?xml-stylesheet type="text/xsl" href="../style/manual.en.xsl"?>
<!-- $LastChangedRevision$ -->
<!--
Copyright 2002-2005 The Apache Software Foundation or its licensors,
as applicable.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<modulesynopsis metafile="mod_authz_groupfile.xml.meta">
<name>mod_authz_groupfile</name>
<description>Group authorization using plaintext files</description>
<status>Base</status>
<sourcefile>mod_authz_groupfile.c</sourcefile>
<identifier>authz_groupfile_module</identifier>
<compatibility>Available in Apache 2.1 and later</compatibility>
<summary>
<p>This module provides authorization capabilities so that
authenticated users can be allowed or denied access to portions
of the web site by group membership. Similar functionality is
provided by <module>mod_authz_dbm</module>.</p>
</summary>
<seealso><directive module="core">Require</directive></seealso>
<seealso><directive module="core">Satisfy</directive></seealso>
<directivesynopsis>
<name>AuthGroupFile</name>
<description>Sets the name of a text file containing the list
of user groups for authorization</description>
<syntax>AuthGroupFile <var>file-path</var></syntax>
<contextlist><context>directory</context><context>.htaccess</context>
</contextlist>
<override>AuthConfig</override>
<usage>
<p>The <directive>AuthGroupFile</directive> directive sets the
name of a textual file containing the list of user groups for user
authorization. <var>File-path</var> is the path to the group
file. If it is not absolute, it is treated as relative to the <directive
module="core">ServerRoot</directive>.</p>
<p>Each line of the group file contains a groupname followed by a
colon, followed by the member usernames separated by spaces.</p>
<example><title>Example:</title>
mygroup: bob joe anne
</example>
<p>Note that searching large text files is <em>very</em>
inefficient; <directive module="mod_authz_dbm"
>AuthDBMGroupFile</directive> provides a much better performance.</p>
<note type="warning"><title>Security</title>
<p>Make sure that the <directive>AuthGroupFile</directive> is
stored outside the document tree of the web-server; do <em>not</em>
put it in the directory that it protects. Otherwise, clients may
be able to download the <directive>AuthGroupFile</directive>.</p>
</note>
</usage>
</directivesynopsis>
<directivesynopsis>
<name>AuthzGroupFileAuthoritative</name>
<description>Sets whether authorization will be passed on to lower level
modules</description>
<syntax>AuthzGroupFileAuthoritative On|Off</syntax>
<default>AuthzGroupFileAuthoritative On</default>
<contextlist><context>directory</context><context>.htaccess</context>
</contextlist>
<override>AuthConfig</override>
<usage>
<p>Setting the <directive>AuthzGroupFileAuthoritative</directive>
directive explicitly to <code>Off</code> allows for
group authorization to be passed on to lower level modules (as defined
in the <code>modules.c</code> files) if there is <strong>no
group</strong> matching the supplied userID.</p>
<p>By default, control is not passed on and an unknown group
will result in an Authentication Required reply. Not
setting it thus keeps the system secure and forces an NCSA
compliant behaviour.</p>
<note type="warning"><title>Security</title>
<p>Do consider the implications of allowing a user to
allow fall-through in his <code>.htaccess</code> file; and verify
that this is really what you want; Generally it is easier to just
secure a single <code>.htpasswd</code> file, than it is to secure
a database which might have more access interfaces.</p>
</note>
</usage>
</directivesynopsis>
</modulesynopsis>
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