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24<div id="page-content">
25<div id="preamble"><h1>Apache Module mod_authz_groupfile</h1>
26<div class="toplang">
27<p><span>Available Languages: </span><a href="/en/mod/mod_authz_groupfile.html" title="English">&nbsp;en&nbsp;</a> |
28<a href="/fr/mod/mod_authz_groupfile.html" hreflang="fr" rel="alternate" title="Fran�ais">&nbsp;fr&nbsp;</a> |
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31</div>
32<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Group authorization using plaintext files</td></tr>
33<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Base</td></tr>
34<tr><th><a href="module-dict.html#ModuleIdentifier">Module�Identifier:</a></th><td>authz_groupfile_module</td></tr>
35<tr><th><a href="module-dict.html#SourceFile">Source�File:</a></th><td>mod_authz_groupfile.c</td></tr>
36<tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache 2.1 and later</td></tr></table>
37<h3>Summary</h3>
38
39    <p>This module provides authorization capabilities so that
40    authenticated users can be allowed or denied access to portions
41    of the web site by group membership. Similar functionality is
42    provided by <code class="module"><a href="/mod/mod_authz_dbm.html">mod_authz_dbm</a></code>.</p>
43</div>
44<div id="quickview"><h3 class="directives">Directives</h3>
45<ul id="toc">
46<li><img alt="" src="/images/down.gif" /> <a href="#authgroupfile">AuthGroupFile</a></li>
47</ul>
48<h3>Topics</h3>
49<ul id="topics">
50<li><img alt="" src="/images/down.gif" /> <a href="#requiredirectives">The Require Directives</a></li>
51</ul><h3>See also</h3>
52<ul class="seealso">
53<li><code class="directive"><a href="/mod/mod_authz_core.html#require">Require</a></code></li>
54</ul><ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div>
55<div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div>
56<div class="section">
57<h2><a name="requiredirectives" id="requiredirectives">The Require Directives</a></h2>
58
59    <p>Apache's <code class="directive"><a href="/mod/mod_authz_core.html#require">Require</a></code>
60    directives are used during the authorization phase to ensure that
61    a user is allowed to access a resource.  mod_authz_groupfile extends the
62    authorization types with <code>group</code> and <code>group-file</code>.
63    </p>
64
65    <p>Since v2.5.0, <a href="/expr.html">expressions</a> are supported
66    within the groupfile require directives.</p>
67
68<h3><a name="reqgroup" id="reqgroup">Require group</a></h3>
69
70    <p>This directive specifies group membership that is required for the
71    user to gain access.</p>
72
73    <pre class="prettyprint lang-config">Require group admin</pre>
74
75
76
77
78<h3><a name="reqfilegroup" id="reqfilegroup">Require file-group</a></h3>
79
80    <p>When this directive is specified, the user must be a member of the group
81    assigned to the file being accessed.</p>
82
83    <pre class="prettyprint lang-config">Require file-group</pre>
84
85
86
87
88</div>
89<div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div>
90<div class="directive-section"><h2><a name="AuthGroupFile" id="AuthGroupFile">AuthGroupFile</a> <a name="authgroupfile" id="authgroupfile">Directive</a></h2>
91<table class="directive">
92<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets the name of a text file containing the list
93of user groups for authorization</td></tr>
94<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthGroupFile <var>file-path</var></code></td></tr>
95<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
96<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
97<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr>
98<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authz_groupfile</td></tr>
99</table>
100    <p>The <code class="directive">AuthGroupFile</code> directive sets the
101    name of a textual file containing the list of user groups for user
102    authorization. <var>File-path</var> is the path to the group
103    file. If it is not absolute, it is treated as relative to the <code class="directive"><a href="/mod/core.html#serverroot">ServerRoot</a></code>.</p>
104
105    <p>Each line of the group file contains a groupname followed by a
106    colon, followed by the member usernames separated by spaces.</p>
107
108    <div class="example"><h3>Example:</h3><p><code>
109      mygroup: bob joe anne
110    </code></p></div>
111
112    <p>Note that searching large text files is <em>very</em>
113    inefficient; <code class="directive"><a href="/mod/mod_authz_dbm.html#authdbmgroupfile">AuthDBMGroupFile</a></code> provides a much better performance.</p>
114
115    <div class="warning"><h3>Security</h3>
116      <p>Make sure that the <code class="directive">AuthGroupFile</code> is
117      stored outside the document tree of the web-server; do <em>not</em>
118      put it in the directory that it protects. Otherwise, clients may
119      be able to download the <code class="directive">AuthGroupFile</code>.</p>
120    </div>
121
122</div>
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125<p><span>Available Languages: </span><a href="/en/mod/mod_authz_groupfile.html" title="English">&nbsp;en&nbsp;</a> |
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128<a href="/ko/mod/mod_authz_groupfile.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a></p>
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