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<title>htdigest - manage user files for digest authentication - Apache HTTP Server</title>
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<p class="apache">Apache HTTP Server Version 2.2</p>
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<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="../">Version 2.2</a> > <a href="./">Programs</a></div><div id="page-content"><div id="preamble"><h1>htdigest - manage user files for digest authentication</h1>
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<p><code>htdigest</code> is used to create and update the flat-files used
to store usernames, realm and password for digest authentication of HTTP
users. Resources available from the Apache HTTP server can be restricted
to just the users listed in the files created by <code>htdigest</code>.</p>
<p>This manual page only lists the command line arguments. For details of
the directives necessary to configure digest authentication in
<code class="program"><a href="../programs/httpd.html">httpd</a></code> see the Apache manual, which is part
of the Apache distribution or can be found at
<a href="http://httpd.apache.org/">http://httpd.apache.org/</a>.</p>
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<div id="quickview"><ul id="toc"><li><img alt="" src="../images/down.gif" /> <a href="#synopsis">Synopsis</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#options">Options</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#security">Security Considerations</a></li>
</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></div>
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<h2><a name="synopsis" id="synopsis">Synopsis</a></h2>
<p><code><strong>htdigest</strong> [ -<strong>c</strong> ]
<var>passwdfile</var> <var>realm</var> <var>username</var></code></p>
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<h2><a name="options" id="options">Options</a></h2>
<dl>
<dt><code>-c</code></dt>
<dd>Create the <var>passwdfile</var>. If <var>passwdfile</var> already
exists, it is deleted first.</dd>
<dt><code><var>passwdfile</var></code></dt>
<dd>Name of the file to contain the username, realm and password. If
<code>-c</code> is given, this file is created if it does not already
exist, or deleted and recreated if it does exist.</dd>
<dt><code><var>realm</var></code></dt>
<dd>The realm name to which the user name belongs.</dd>
<dt><code><var>username</var></code></dt>
<dd>The user name to create or update in <var>passwdfile</var>. If
<var>username</var> does not exist is this file, an entry is added. If it
does exist, the password is changed.</dd>
</dl>
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<h2><a name="security" id="security">Security Considerations</a></h2>
<p>This program is not safe as a setuid executable. Do <em>not</em> make it
setuid.</p>
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