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8<title>htdigest - manage user files for digest authentication - Apache HTTP Server</title>
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18<p class="apache">Apache HTTP Server Version 2.4</p>
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22<a href="http://www.apache.org/">Apache</a> &gt; <a href="http://httpd.apache.org/">HTTP Server</a> &gt; <a href="http://httpd.apache.org/docs/">Documentation</a> &gt; <a href="../">Version 2.4</a> &gt; <a href="./">Programs</a></div><div id="page-content"><div id="preamble"><h1>htdigest - manage user files for digest authentication</h1>
23<div class="toplang">
24<p><span>Available Languages: </span><a href="/en/programs/htdigest.html" title="English">&nbsp;en&nbsp;</a> |
25<a href="/fr/programs/htdigest.html" hreflang="fr" rel="alternate" title="Fran�ais">&nbsp;fr&nbsp;</a> |
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29
30    <p><code>htdigest</code> is used to create and update the flat-files used
31    to store usernames, realm and password for digest authentication of HTTP
32    users. Resources available from the Apache HTTP server can be restricted
33    to just the users listed in the files created by <code>htdigest</code>.</p>
34
35    <p>This manual page only lists the command line arguments. For details of
36    the directives necessary to configure digest authentication in
37    <code class="program"><a href="/programs/httpd.html">httpd</a></code> see the Apache manual, which is part
38    of the Apache distribution or can be found at
39    <a href="http://httpd.apache.org/">http://httpd.apache.org/</a>.</p>
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41<div id="quickview"><ul id="toc"><li><img alt="" src="/images/down.gif" /> <a href="#synopsis">Synopsis</a></li>
42<li><img alt="" src="/images/down.gif" /> <a href="#options">Options</a></li>
43<li><img alt="" src="/images/down.gif" /> <a href="#security">Security Considerations</a></li>
44</ul><h3>See also</h3><ul class="seealso"><li><code class="program"><a href="/programs/httpd.html">httpd</a></code></li><li><code class="module"><a href="/mod/mod_auth_digest.html">mod_auth_digest</a></code></li></ul><ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div>
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46<div class="section">
47<h2><a name="synopsis" id="synopsis">Synopsis</a></h2>
48    <p><code><strong>htdigest</strong> [ -<strong>c</strong> ]
49    <var>passwdfile</var> <var>realm</var> <var>username</var></code></p>
50</div><div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div>
51<div class="section">
52<h2><a name="options" id="options">Options</a></h2>
53    <dl>
54    <dt><code>-c</code></dt>
55    <dd>Create the <var>passwdfile</var>. If <var>passwdfile</var> already
56    exists, it is deleted first.</dd>
57
58    <dt><code><var>passwdfile</var></code></dt>
59    <dd>Name of the file to contain the username, realm and password. If
60    <code>-c</code> is given, this file is created if it does not already
61    exist, or deleted and recreated if it does exist.</dd>
62
63    <dt><code><var>realm</var></code></dt>
64    <dd>The realm name to which the user name belongs. See 
65    <a href="http://tools.ietf.org/html/rfc2617#section-3.2.1">
66    http://tools.ietf.org/html/rfc2617#section-3.2.1</a> for more details.
67    </dd>
68
69    <dt><code><var>username</var></code></dt>
70    <dd>The user name to create or update in <var>passwdfile</var>. If
71    <var>username</var> does not exist is this file, an entry is added. If it
72    does exist, the password is changed.</dd>
73    </dl>
74</div><div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div>
75<div class="section">
76<h2><a name="security" id="security">Security Considerations</a></h2>
77    <p>This program is not safe as a setuid executable. Do <em>not</em> make it
78    setuid.</p>
79</div></div>
80<div class="bottomlang">
81<p><span>Available Languages: </span><a href="/en/programs/htdigest.html" title="English">&nbsp;en&nbsp;</a> |
82<a href="/fr/programs/htdigest.html" hreflang="fr" rel="alternate" title="Fran�ais">&nbsp;fr&nbsp;</a> |
83<a href="/ko/programs/htdigest.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a> |
84<a href="/tr/programs/htdigest.html" hreflang="tr" rel="alternate" title="T�rk�e">&nbsp;tr&nbsp;</a></p>
85</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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