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af687ddbab64fce492e06d194acd60da69b59608nd<title>suexec - Switch user before executing external programs - Apache HTTP Server</title>
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af687ddbab64fce492e06d194acd60da69b59608nd<p class="menu"><a href="/mod/">Modules</a> | <a href="/mod/directives.html">Directives</a> | <a href="/faq/">FAQ</a> | <a href="/glossary.html">Glossary</a> | <a href="/sitemap.html">Sitemap</a></p>
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af687ddbab64fce492e06d194acd60da69b59608nd<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs-project/">Documentation</a> > <a href="../">Version 2.1</a> > <a href="./">Programs</a></div><div id="page-content"><div id="preamble"><h1>suexec - Switch user before executing external programs</h1>
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>
af687ddbab64fce492e06d194acd60da69b59608nd <p>For further information about the concepts and and the security model
af687ddbab64fce492e06d194acd60da69b59608nd of suexec please refer to the suexec documentation (<a href="http://httpd.apache.org/docs-2.1/suexec.html">http://httpd.apache.org/docs-2.1/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>
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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
af687ddbab64fce492e06d194acd60da69b59608ndchangable only at compile time.</dd>
af687ddbab64fce492e06d194acd60da69b59608nd<p class="apache">Maintained by the <a href="http://httpd.apache.org/docs-project/">Apache HTTP Server Documentation Project</a></p>
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