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  10 <title>suexec - Switch user before executing external programs - Apache HTTP Server Version 2.5</title>
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  20 <p class="apache">Apache HTTP Server Version 2.5</p>
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  24 <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 2.5</a> &gt; <a href="./">Programs</a></div><div id="page-content"><div id="preamble"><h1>suexec - Switch user before executing external programs</h1>
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  26 <p><span>Available Languages: </span><a href="../en/programs/suexec.html" title="English">&nbsp;en&nbsp;</a> |
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  30
  31      <p><code>suexec</code> is used by the Apache HTTP Server to switch
  32      to another user before executing CGI programs. In order to achieve this,
  33      it must run as <code>root</code>. Since the HTTP daemon normally doesn't
  34      run as <code>root</code>, the <code>suexec</code> executable needs the
  35      setuid bit set and must be owned by <code>root</code>. It should never be
  36      writable for any other person than <code>root</code>.</p>
  37
  38      <p>For further information about the concepts and the security model
  39      of suexec please refer to the suexec documentation (<a href="http://httpd.apache.org/docs/trunk/suexec.html">http://httpd.apache.org/docs/trunk/suexec.html</a>).</p>
  40 </div>
  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 </ul><h3>See also</h3><ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div>
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  45 <div class="section">
  46 <h2><a name="synopsis" id="synopsis">Synopsis</a></h2>
  47      <p><code><strong>suexec</strong> -<strong>V</strong></code></p>
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  50 <h2><a name="options" id="options">Options</a></h2>
  51
  52 <dl>
  53 <dt><code>-V</code></dt>
  54
  55 <dd>If you are <code>root</code>, this option displays the compile options of
  56 <code>suexec</code>. For security reasons all configuration options are
  57 changeable only at compile time.</dd>
  58
  59 </dl>
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