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<?xml version="1.0" encoding="ISO-8859-1"?> <!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=ISO-8859-1" http-equiv="Content-Type" /> <!-- XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX This file is generated from xml source: DO NOT EDIT XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX --> <title>Apache Virtual Host documentation - Apache HTTP Server Version 2.2</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" /><link href="http://httpd.apache.org/docs/current/vhosts/index.html" rel="canonical" /></head> <body id="manual-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 2.2</p> <img alt="" src="../images/feather.gif" /></div> <div class="up"><a href="../"><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> > <a href="../">Version 2.2</a></div><div id="page-content"><div class="retired"><h4>Please note</h4> <p> This document refers to a legacy release (<strong>2.2</strong>) of Apache httpd. The active release (<strong>2.4</strong>) is documented <a href="http://httpd.apache.org/docs/current">here</a>. If you have not already upgraded, please follow <a href="http://httpd.apache.org/docs/current/upgrading.html">this link</a> for more information.</p> <p>You may follow <a href="http://httpd.apache.org/docs/current/vhosts/">this link</a> to go to the current version of this document.</p></div><div id="preamble"><h1>Apache Virtual Host documentation</h1> <div class="toplang"> <p><span>Available Languages: </span><a href="../de/vhosts/" hreflang="de" rel="alternate" title="Deutsch"> de </a> | <a href="../en/vhosts/" title="English"> en </a> | <a href="../fr/vhosts/" hreflang="fr" rel="alternate" title="Français"> fr </a> | <a href="../ja/vhosts/" hreflang="ja" rel="alternate" title="Japanese"> ja </a> | <a href="../ko/vhosts/" hreflang="ko" rel="alternate" title="Korean"> ko </a> | <a href="../ru/vhosts/" hreflang="ru" rel="alternate" title="Russian"> ru </a> | <a href="../tr/vhosts/" hreflang="tr" rel="alternate" title="Türkçe"> tr </a> | <a href="../zh-cn/vhosts/" hreflang="zh-cn" rel="alternate" title="Simplified Chinese"> zh-cn </a></p> </div> <p>The term <cite>Virtual Host</cite> refers to the practice of running more than one web site (such as <code>company1.example.com</code> and <code>company2.example.com</code>) on a single machine. Virtual hosts can be "<a href="ip-based.html">IP-based</a>", meaning that you have a different IP address for every web site, or "<a href="name-based.html">name-based</a>", meaning that you have multiple names running on each IP address. The fact that they are running on the same physical server is not apparent to the end user.</p> <p>Apache was one of the first servers to support IP-based virtual hosts right out of the box. Versions 1.1 and later of Apache support both IP-based and name-based virtual hosts (vhosts). The latter variant of virtual hosts is sometimes also called <em>host-based</em> or <em>non-IP virtual hosts</em>.</p> <p>Below is a list of documentation pages which explain all details of virtual host support in Apache HTTP Server:</p> </div> <div id="quickview"><ul id="toc"><li><img alt="" src="../images/down.gif" /> <a href="#support">Virtual Host Support</a></li> <li><img alt="" src="../images/down.gif" /> <a href="#directives">Configuration directives</a></li> </ul><h3>See also</h3><ul class="seealso"><li><code class="module"><a href="../mod/mod_vhost_alias.html">mod_vhost_alias</a></code></li><li><a href="name-based.html">Name-based virtual hosts</a></li><li><a href="ip-based.html">IP-based virtual hosts</a></li><li><a href="examples.html">Virtual host examples</a></li><li><a href="fd-limits.html">File descriptor limits</a></li><li><a href="mass.html">Mass virtual hosting</a></li><li><a href="details.html">Details of host matching</a></li></ul></div> <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> <div class="section"> <h2><a name="support" id="support">Virtual Host Support</a></h2> <ul> <li><a href="name-based.html">Name-based Virtual Hosts</a> (More than one web site per IP address)</li> <li><a href="ip-based.html">IP-based Virtual Hosts</a> (An IP address for each web site)</li> <li><a href="examples.html">Virtual Host examples for common setups</a></li> <li><a href="fd-limits.html">File Descriptor Limits</a> (or, <em>Too many log files</em>)</li> <li><a href="mass.html">Dynamically Configured Mass Virtual Hosting</a></li> <li><a href="details.html">In-Depth Discussion of Virtual Host Matching</a></li> </ul> </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> <div class="section"> <h2><a name="directives" id="directives">Configuration directives</a></h2> <ul> <li><code class="directive"><a href="../mod/core.html#namevirtualhost">NameVirtualHost</a></code></li> <li><code class="directive"><a href="../mod/core.html#virtualhost"><VirtualHost></a></code></li> <li><code class="directive"><a href="../mod/core.html#servername">ServerName</a></code></li> <li><code class="directive"><a href="../mod/core.html#serveralias">ServerAlias</a></code></li> <li><code class="directive"><a href="../mod/core.html#serverpath">ServerPath</a></code></li> </ul> <p>If you are trying to debug your virtual host configuration, you may find the Apache <code>-S</code> command line switch useful. That is, type the following command:</p> <div class="example"><p><code> /usr/local/apache2/bin/httpd -S </code></p></div> <p>This command will dump out a description of how Apache parsed the configuration file. Careful examination of the IP addresses and server names may help uncover configuration mistakes. (See the docs for the <code class="program"><a href="../programs/httpd.html">httpd</a></code> program for other command line options)</p> </div></div> <div class="bottomlang"> <p><span>Available Languages: </span><a href="../de/vhosts/" hreflang="de" rel="alternate" title="Deutsch"> de </a> | <a href="../en/vhosts/" title="English"> en </a> | <a href="../fr/vhosts/" hreflang="fr" rel="alternate" title="Français"> fr </a> | <a href="../ja/vhosts/" hreflang="ja" rel="alternate" title="Japanese"> ja </a> | <a href="../ko/vhosts/" hreflang="ko" rel="alternate" title="Korean"> ko </a> | <a href="../ru/vhosts/" hreflang="ru" rel="alternate" title="Russian"> ru </a> | <a href="../tr/vhosts/" hreflang="tr" rel="alternate" title="Türkçe"> tr </a> | <a href="../zh-cn/vhosts/" hreflang="zh-cn" rel="alternate" title="Simplified Chinese"> zh-cn </a></p> </div><div id="footer"> <p class="apache">Copyright 2017 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/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></div><script type="text/javascript"><!--//--><![CDATA[//><!-- if (typeof(prettyPrint) !== 'undefined') { prettyPrint(); } //--><!]]></script> </body></html>