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<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head> <meta content="text/html; charset=UTF-8" http-equiv="Content-Type" />  <title>Apache HTTP Server Version 2.4 Documentation - Apache HTTP Server Version 2.4</title> <link href="./style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" /> <link href="./style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" /> <link href="./style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /><link rel="stylesheet" type="text/css" href="./style/css/prettify.css" /> <script src="./style/scripts/prettify.min.js" type="text/javascript"> </script> <link href="./images/favicon.ico" rel="shortcut icon" /></head> <body id="index-page"> <div id="page-header"> <p class="menu"><a href="./mod/">Modules</a> | <a href="./mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="./glossary.html">Glossary</a> | <a href="./sitemap.html">Sitemap</a></p> <p class="apache">Apache HTTP Server Version 2.4</p> <img alt="" src="./images/feather.png" /></div> <div class="up"><a href="http://httpd.apache.org/docs-project/"><img title="<-" alt="<-" src="./images/left.gif" /></a></div> <div id="path"> <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></div> <div id="page-content"><h1>Apache HTTP Server Version 2.4 Documentation</h1> <div class="toplang"> <p><span>Available Languages: </span><a href="./da/" hreflang="da" rel="alternate" title="Dansk"> da </a> | <a href="./de/" hreflang="de" rel="alternate" title="Deutsch"> de </a> | <a href="./en/" title="English"> en </a> | <a href="./es/" hreflang="es" 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</div><div class="category"><h2><a name="manual" id="manual">Reference Manual</a></h2> <ul><li><a href="install.html">Compiling and Installing</a></li> <li><a href="invoking.html">Starting</a></li> <li><a href="stopping.html">Stopping or Restarting</a></li> <li><a href="mod/quickreference.html">Run-time Configuration Directives</a></li> <li><a href="mod/">Modules</a></li> <li><a href="mpm.html">Multi-Processing Modules (MPMs)</a></li> <li><a href="filter.html">Filters</a></li> <li><a href="handler.html">Handlers</a></li> <li><a href="expr.html">Expression parser</a></li> <li><a href="mod/overrides.html">Override Class Index for .htaccess</a></li> <li><a href="programs/">Server and Supporting Programs</a></li> <li><a href="glossary.html">Glossary</a></li> </ul> </div></td><td><div class="category"><h2><a name="usersguide" id="usersguide">Users' Guide</a></h2> <ul><li><a href="getting-started.html">Getting Started</a></li> <li><a href="bind.html">Binding to Addresses and Ports</a></li> <li><a href="configuring.html">Configuration Files</a></li> <li><a href="sections.html">Configuration Sections</a></li> <li><a href="caching.html">Content Caching</a></li> <li><a href="content-negotiation.html">Content Negotiation</a></li> <li><a href="dso.html">Dynamic Shared Objects (DSO)</a></li> <li><a href="env.html">Environment Variables</a></li> <li><a href="logs.html">Log Files</a></li> <li><a href="urlmapping.html">Mapping URLs to the Filesystem</a></li> <li><a href="misc/perf-tuning.html">Performance Tuning</a></li> <li><a href="misc/security_tips.html">Security Tips</a></li> <li><a href="server-wide.html">Server-Wide Configuration</a></li> <li><a href="ssl/">SSL/TLS Encryption</a></li> <li><a href="suexec.html">Suexec Execution for CGI</a></li> <li><a href="rewrite/">URL Rewriting with mod_rewrite</a></li> <li><a href="vhosts/">Virtual Hosts</a></li> </ul> </div></td><td class="col3"><div class="category"><h2><a name="howto" id="howto">How-To / Tutorials</a></h2> <ul><li><a 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href="http://wiki.apache.org/httpd/FAQ">Frequently Asked Questions</a></li> <li><a href="sitemap.html">Sitemap</a></li> <li><a href="developer/">Documentation for Developers</a></li> <li><a href="http://httpd.apache.org/docs-project/">Helping with the documentation</a></li> <li><a href="misc/">Other Notes</a></li> <li><a href="http://wiki.apache.org/httpd/">Wiki</a></li> </ul> </div></td></tr></table></div> <div class="bottomlang"> <p><span>Available Languages: </span><a href="./da/" hreflang="da" rel="alternate" title="Dansk"> da </a> | <a href="./de/" hreflang="de" rel="alternate" title="Deutsch"> de </a> | <a href="./en/" title="English"> en </a> | <a href="./es/" hreflang="es" rel="alternate" title="Espa帽ol"> es </a> | <a href="./fr/" hreflang="fr" rel="alternate" title="Fran莽ais"> fr </a> | <a href="./ja/" hreflang="ja" rel="alternate" title="Japanese"> ja </a> | <a href="./ko/" hreflang="ko" rel="alternate" title="Korean"> ko </a> | <a href="./pt-br/" hreflang="pt-br" 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