CINXE.COM

<?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 2.5 Documentation - Apache HTTP Server Version 2.5</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/quickreference.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 2.5</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 2.5 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" 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" rel="alternate" title="Portugu锚s (Brasil)"> pt-br </a> | <a href="./ru/" hreflang="ru" rel="alternate" title="Russian"> ru </a> | <a href="./tr/" hreflang="tr" rel="alternate" title="T眉rk莽e"> tr </a> | <a href="./zh-cn/" hreflang="zh-cn" rel="alternate" title="Simplified Chinese"> zh-cn </a></p> </div> <form method="get" action="https://www.google.com/search"><p><input name="as_q" value="" type="text" /> <input value="Google Search" type="submit" /><input value="10" name="num" type="hidden" /><input value="en" name="hl" type="hidden" /><input value="UTF-8" name="ie" type="hidden" /><input value="Google Search" name="btnG" type="hidden" /><input name="as_epq" value="Version 2.5" type="hidden" /><input name="as_oq" value="" type="hidden" /><input name="as_eq" value=""List-Post"" type="hidden" /><input value="" name="lr" type="hidden" /><input value="i" name="as_ft" type="hidden" /><input value="" name="as_filetype" type="hidden" /><input value="all" name="as_qdr" type="hidden" /><input value="any" name="as_occt" type="hidden" /><input value="i" name="as_dt" type="hidden" /><input value="httpd.apache.org" name="as_sitesearch" type="hidden" /><input value="off" name="safe" type="hidden" /></p></form> <table id="indextable"><tr><td class="col1"><div class="category"><h2><a name="release" id="release">Release Notes</a></h2> <ul><li><a href="new_features_2_6.html">New features with Apache 2.5/2.6</a></li> <li><a href="new_features_2_4.html">New features with Apache 2.3/2.4</a></li> <li><a href="new_features_2_2.html">New features with Apache 2.1/2.2</a></li> <li><a href="new_features_2_0.html">New features with Apache 2.0</a></li> <li><a href="upgrading.html">Upgrading to 2.4 from 2.2</a></li> <li><a href="license.html">Apache License</a></li> </ul> </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="compliance.html">HTTP Protocol Compliance</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 href="howto">How to index page </a></li> <li><a href="howto/auth.html">Authentication and Authorization</a></li> <li><a href="howto/access.html">Access Control</a></li> <li><a href="howto/cgi.html">CGI: Dynamic Content</a></li> <li><a href="howto/htaccess.html">.htaccess files</a></li> <li><a href="howto/ssi.html">Server Side Includes (SSI)</a></li> <li><a href="howto/public_html.html">Per-user Web Directories (public_html)</a></li> <li><a href="howto/reverse_proxy.html">Reverse proxy setup guide</a></li> <li><a href="howto/http2.html">HTTP/2 guide</a></li> </ul> </div><div class="category"><h2><a name="platform" id="platform">Platform Specific Notes</a></h2> <ul><li><a href="platform/windows.html">Microsoft Windows</a></li> <li><a href="platform/rpm.html">RPM-based Systems (Redhat / CentOS / Fedora)</a></li> <li><a href="platform/netware.html">Novell NetWare</a></li> </ul> </div><div class="category"><h2><a name="other" id="other">Other Topics</a></h2> <ul><li><a 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" rel="alternate" title="Portugu锚s (Brasil)"> pt-br </a> | <a href="./ru/" hreflang="ru" rel="alternate" title="Russian"> ru </a> | <a href="./tr/" hreflang="tr" rel="alternate" title="T眉rk莽e"> tr </a> | <a href="./zh-cn/" hreflang="zh-cn" rel="alternate" title="Simplified Chinese"> zh-cn </a></p> </div><div id="footer"> <p class="apache">Copyright 2023 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> <p class="menu"><a href="./mod/">Modules</a> | <a href="./mod/quickreference.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></div><script type="text/javascript"><![CDATA[//><!]]></script> </body></html>