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98 lines
3.5 KiB
Plaintext
98 lines
3.5 KiB
Plaintext
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta name="generator" content="HTML Tidy, see www.w3.org" />
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<title>Apache Virtual Host documentation</title>
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</head>
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<!-- Background white, links blue (unvisited), navy (visited), red (active) -->
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<body bgcolor="#FFFFFF" text="#000000" link="#0000FF"
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vlink="#000080" alink="#FF0000">
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<!--#include virtual="header.html" -->
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<h1 align="center">Apache Virtual Host documentation</h1>
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<p>The term <cite>Virtual Host</cite> refers to the practice of
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running more than one web site (such as
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<samp>www.company1.com</samp> and <samp>www.company2.com</samp>)
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on a single machine. Virtual hosts can be "<a
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href="ip-based.html">IP-based</a>," meaning that you have a
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different IP address for every web site, or "<a
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href="name-based.html">name-based</a>," meaning that you have
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multiple names running on a single IP address. The fact that they
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are running on the same server is not apparent to the end user.</p>
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<p>Apache was one of the first servers to support IP-based
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virtual hosts right out of the box. Versions 1.1 and later of
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Apache support both IP-based and name-based virtual hosts
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(vhosts). The latter variant of virtual hosts is sometimes also
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called <em>host-based</em> or <em>non-IP virtual hosts</em>.</p>
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<p>Below is a list of documentation pages which explain all
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details of virtual host support in Apache version 1.3 and
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later.</p>
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<hr />
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<h2>Virtual Host Support</h2>
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<ul>
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<li><a href="name-based.html">Name-based Virtual Hosts</a> (One IP
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address, multiple web sites)</li>
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<li><a href="ip-based.html">IP-based Virtual Hosts</a> (An IP
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address for each web site)</li>
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<li><a href="examples.html">Virtual Host examples for common
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setups</a></li>
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<li><a href="fd-limits.html">File Descriptor Limits</a> (or,
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<em>Too many log files</em>)</li>
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<li><a href="mass.html">Dynamically Configured Mass Virtual
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Hosting</a></li>
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<li><a href="details.html">In-Depth Discussion of Virtual Host
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Matching</a></li>
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</ul>
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<h2>Configuration directives</h2>
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<ul>
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<li><a
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href="../mod/core.html#virtualhost"><VirtualHost></a></li>
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<li><a
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href="../mod/core.html#namevirtualhost">NameVirtualHost</a></li>
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<li><a href="../mod/core.html#servername">ServerName</a></li>
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<li><a href="../mod/core.html#serveralias">ServerAlias</a></li>
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<li><a href="../mod/core.html#serverpath">ServerPath</a></li>
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<li><b>See also</b> <a
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href="../mod/mod_vhost_alias.html">mod_vhost_alias</a></li>
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</ul>
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<p>If you are trying to debug your virtual host configuration, you
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may find the Apache <code>-t -D DUMP_VHOSTS</code> command line switch
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useful. That is, type the following command:</p>
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<blockquote><table cellpadding="10"><tr><td bgcolor="#eeeeee"><code>
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/usr/local/apache/bin/httpd -t -D DUMP_VHOSTS
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</code></td></tr></table></blockquote>
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<p>This command will dump out a description of how Apache parsed
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the configuration file. Careful examination of the IP addresses and
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server names may help uncover configuration mistakes. (See <a
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href="../programs/httpd.html">the docs for the httpd program</a> for
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other command line options)</p>
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<!--#include virtual="footer.html" -->
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</body>
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</html>
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