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   8 <title>mod_authn_file - Apache HTTP Server</title>
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  24 <div id="page-content">
  25 <div id="preamble"><h1>Apache Module mod_authn_file</h1>
  26 <div class="toplang">
  27 <p><span>Available Languages: </span><a href="../en/mod/mod_authn_file.html" title="English">&nbsp;en&nbsp;</a> |
  28 <a href="../fr/mod/mod_authn_file.html" hreflang="fr" rel="alternate" title="Français">&nbsp;fr&nbsp;</a> |
  29 <a href="../ja/mod/mod_authn_file.html" hreflang="ja" rel="alternate" title="Japanese">&nbsp;ja&nbsp;</a> |
  30 <a href="../ko/mod/mod_authn_file.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a></p>
  31 </div>
  32 <table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>User authentication using text 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>authn_file_module</td></tr>
  35 <tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_authn_file.c</td></tr></table>
  36 <h3>Summary</h3>
  37
  38     <p>This module provides authentication front-ends such as
  39     <code class="module"><a href="../mod/mod_auth_digest.html">mod_auth_digest</a></code> and <code class="module"><a href="../mod/mod_auth_basic.html">mod_auth_basic</a></code>
  40     to authenticate users by looking up users in plain text password files.
  41     Similar functionality is provided by <code class="module"><a href="../mod/mod_authn_dbm.html">mod_authn_dbm</a></code>.</p>
  42
  43     <p>When using <code class="module"><a href="../mod/mod_auth_basic.html">mod_auth_basic</a></code> or
  44     <code class="module"><a href="../mod/mod_auth_digest.html">mod_auth_digest</a></code>, this module is invoked via the
  45     <code class="directive"><a href="../mod/mod_auth_basic.html#authbasicprovider">AuthBasicProvider</a></code> or
  46     <code class="directive"><a href="../mod/mod_auth_digest.html#authdigestprovider">AuthDigestProvider</a></code>
  47     with the <code>file</code> value.</p>
  48 </div>
  49 <div id="quickview"><h3 class="directives">Directives</h3>
  50 <ul id="toc">
  51 <li><img alt="" src="../images/down.gif" /> <a href="#authuserfile">AuthUserFile</a></li>
  52 </ul>
  53 <h3>See also</h3>
  54 <ul class="seealso">
  55 <li>
  56   <code class="directive"><a href="../mod/mod_auth_basic.html#authbasicprovider">AuthBasicProvider</a></code>
  57 </li>
  58 <li>
  59   <code class="directive"><a href="../mod/mod_auth_digest.html#authdigestprovider">AuthDigestProvider</a></code>
  60 </li>
  61 <li><code class="program"><a href="../programs/htpasswd.html">htpasswd</a></code></li>
  62 <li><code class="program"><a href="../programs/htdigest.html">htdigest</a></code></li>
  63 <li><a href="../misc/password_encryptions.html">Password Formats</a></li>
  64 </ul><ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div>
  65
  66 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
  67 <div class="directive-section"><h2><a name="AuthUserFile" id="AuthUserFile">AuthUserFile</a> <a name="authuserfile" id="authuserfile">Directive</a></h2>
  68 <table class="directive">
  69 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets the name of a text file containing the list of users and
  70 passwords for authentication</td></tr>
  71 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthUserFile <var>file-path</var></code></td></tr>
  72 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
  73 <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
  74 <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr>
  75 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authn_file</td></tr>
  76 </table>
  77     <p>The <code class="directive">AuthUserFile</code> directive sets the name
  78     of a textual file containing the list of users and passwords for
  79     user authentication. <var>File-path</var> is the path to the user
  80     file. If it is not absolute, it is treated as relative to the
  81     <code class="directive"><a href="../mod/core.html#serverroot">ServerRoot</a></code>.</p>
  82
  83     <p>Each line of the user file contains a username followed by
  84     a colon, followed by the encrypted password. If the same user
  85     ID is defined multiple times, <code class="module"><a href="../mod/mod_authn_file.html">mod_authn_file</a></code> will
  86     use the first occurrence to verify the password.</p>
  87
  88     <p>The encrypted password format depends on which authentication
  89     frontend (e.g. <code class="module"><a href="../mod/mod_auth_basic.html">mod_auth_basic</a></code> or
  90     <code class="module"><a href="../mod/mod_auth_digest.html">mod_auth_digest</a></code>) is being used.  See <a href="../misc/password_encryptions.html">Password Formats</a> for
  91     more information.</p>
  92
  93     <p>For <code class="module"><a href="../mod/mod_auth_basic.html">mod_auth_basic</a></code>, use the utility <code class="program"><a href="../programs/htpasswd.html">htpasswd</a></code>
  94     which is installed as part of the binary distribution, or which
  95     can be found in <code>src/support</code>. See the
  96     <a href="../programs/htpasswd.html">man page</a> for more details.
  97     In short:</p>
  98
  99     <p>Create a password file <code>Filename</code> with
 100     <code>username</code> as the initial ID. It will prompt for
 101     the password:</p>
 102
 103     <div class="example"><p><code>
 104       htpasswd -c Filename username
 105     </code></p></div>
 106
 107     <p>Add or modify <code>username2</code> in the password file
 108     <code>Filename</code>:</p>
 109
 110     <div class="example"><p><code>
 111       htpasswd Filename username2
 112     </code></p></div>
 113
 114     <p>Note that searching large text files is <em>very</em>
 115     inefficient; <code class="directive"><a href="../mod/mod_authn_dbm.html#authdbmuserfile">AuthDBMUserFile</a></code> should be used
 116     instead.</p>
 117
 118     <p>For <code class="module"><a href="../mod/mod_auth_digest.html">mod_auth_digest</a></code>, use <code class="program"><a href="../programs/htdigest.html">htdigest</a></code>
 119     instead. Note that you cannot mix user data for Digest Authentication
 120     and Basic Authentication within the same file.</p>
 121
 122     <div class="warning"><h3>Security</h3>
 123       <p>Make sure that the <code class="directive">AuthUserFile</code> is
 124       stored outside the document tree of the web-server. Do
 125       <strong>not</strong> put it in the directory that it protects.
 126       Otherwise, clients may be able to download the
 127       <code class="directive">AuthUserFile</code>.</p>
 128     </div>
 129
 130 </div>
 131 </div>
 132 <div class="bottomlang">
 133 <p><span>Available Languages: </span><a href="../en/mod/mod_authn_file.html" title="English">&nbsp;en&nbsp;</a> |
 134 <a href="../fr/mod/mod_authn_file.html" hreflang="fr" rel="alternate" title="Français">&nbsp;fr&nbsp;</a> |
 135 <a href="../ja/mod/mod_authn_file.html" hreflang="ja" rel="alternate" title="Japanese">&nbsp;ja&nbsp;</a> |
 136 <a href="../ko/mod/mod_authn_file.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a></p>
 137 </div><div class="top"><a href="#page-header"><img src="../images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&amp;A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed again by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Freenode, or sent to our <a href="http://httpd.apache.org/lists.html">mailing lists</a>.</div>
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