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af687ddbab64fce492e06d194acd60da69b59608nd<title>suexec - Switch user before executing external programs - Apache HTTP Server</title>
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3f08db06526d6901aa08c110b5bc7dde6bc39905nd<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 2.5</a> > <a href="./">Programs</a></div><div id="page-content"><div id="preamble"><h1>suexec - Switch user before executing external programs</h1>
a78048ccbdb6256da15e6b0e7e95355e480c2301nd<p><span>Available Languages: </span><a href="/en/programs/suexec.html" title="English"> en </a> |
0cf3cdbaa1dad11cbf1ce32e48f1b4ec88cf779fnilgun<a href="/ko/programs/suexec.html" hreflang="ko" rel="alternate" title="Korean"> ko </a> |
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af687ddbab64fce492e06d194acd60da69b59608nd <p><code>suexec</code> is used by the Apache HTTP Server to switch
af687ddbab64fce492e06d194acd60da69b59608nd to another user before executing CGI programs. In order to achieve this,
af687ddbab64fce492e06d194acd60da69b59608nd it must run as <code>root</code>. Since the HTTP daemon normally doesn't
af687ddbab64fce492e06d194acd60da69b59608nd run as <code>root</code>, the <code>suexec</code> executable needs the
af687ddbab64fce492e06d194acd60da69b59608nd setuid bit set and must be owned by <code>root</code>. It should never be
af687ddbab64fce492e06d194acd60da69b59608nd writable for any other person than <code>root</code>.</p>
b2b32227e56d8b2bbbc1cf94990d3be630e91040jorton <p>For further information about the concepts and the security model
6df89e6e4adeb986b41b7ec6b7593a887e031ce7nd 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>
af687ddbab64fce492e06d194acd60da69b59608nd<div id="quickview"><ul id="toc"><li><img alt="" src="/images/down.gif" /> <a href="#synopsis">Synopsis</a></li>
af687ddbab64fce492e06d194acd60da69b59608nd<li><img alt="" src="/images/down.gif" /> <a href="#options">Options</a></li>
30471a4650391f57975f60bbb6e4a90be7b284bfhumbedooh</ul><ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div>
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af687ddbab64fce492e06d194acd60da69b59608nd <p><code><strong>suexec</strong> -<strong>V</strong></code></p>
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af687ddbab64fce492e06d194acd60da69b59608nd<dd>If you are <code>root</code>, this option displays the compile options of
af687ddbab64fce492e06d194acd60da69b59608nd<code>suexec</code>. For security reasons all configuration options are
8ba890719035fe67c295c9124693138f9c5aa933kesschangeable only at compile time.</dd>
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727872d18412fc021f03969b8641810d8896820bhumbedooh</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&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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1a1356f375e36db7bee379ea0684ab389579f798rbowen<p class="apache">Copyright 2013 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p>
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