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authorhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 01:35:09 -0500
committerhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 01:36:35 -0500
commitcc40af334e619bb549038238507407866f774f8f (patch)
tree43ddc1974f72997a57173151eafb23e6025a13c9 /rubbos/app/apache2/manual/mod/mod_vhost_alias.html.en
parent68e74fd78b2485e5914ce34a5b30f4485029e021 (diff)
upload apache
JIRA: BOTTLENECK-10 Change-Id: I67eae31de6dc824097dfa56ab454ba36fdd23a2c Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>
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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><!--
+ XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+ This file is generated from xml source: DO NOT EDIT
+ XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+ -->
+<title>mod_vhost_alias - Apache HTTP Server</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 href="../images/favicon.ico" rel="shortcut icon" /></head>
+<body>
+<div id="page-header">
+<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>
+<p class="apache">Apache HTTP Server Version 2.0</p>
+<img alt="" src="../images/feather.gif" /></div>
+<div class="up"><a href="./"><img title="&lt;-" alt="&lt;-" src="../images/left.gif" /></a></div>
+<div id="path">
+<a href="http://www.apache.org/">Apache</a> &gt; <a href="http://httpd.apache.org/">HTTP Server</a> &gt; <a href="http://httpd.apache.org/docs/">Documentation</a> &gt; <a href="../">Version 2.0</a> &gt; <a href="./">Modules</a></div>
+<div id="page-content">
+<div id="preamble"><h1>Apache Module mod_vhost_alias</h1>
+<div class="toplang">
+<p><span>Available Languages: </span><a href="../en/mod/mod_vhost_alias.html" title="English">&nbsp;en&nbsp;</a> |
+<a href="../tr/mod/mod_vhost_alias.html" hreflang="tr" rel="alternate" title="Türkçe">&nbsp;tr&nbsp;</a></p>
+</div>
+<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Provides for dynamically configured mass virtual
+hosting</td></tr>
+<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr>
+<tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>vhost_alias_module</td></tr>
+<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_vhost_alias.c</td></tr></table>
+<h3>Summary</h3>
+
+ <p>This module creates dynamically configured virtual hosts, by
+ allowing the IP address and/or the <code>Host:</code> header of
+ the HTTP request to be used as part of the pathname to
+ determine what files to serve. This allows for easy use of a
+ huge number of virtual hosts with similar configurations.</p>
+
+ <div class="note"><h3>Note</h3>
+ <p>If <code class="module"><a href="../mod/mod_alias.html">mod_alias</a></code> or <code class="module"><a href="../mod/mod_userdir.html">mod_userdir</a></code> are
+ used for translating URIs to filenames, they will override the
+ directives of <code class="module"><a href="../mod/mod_vhost_alias.html">mod_vhost_alias</a></code> described below. For
+ example, the following configuration will map <code>
+ /cgi-bin/script.pl</code> to <code>
+ /usr/local/apache2/cgi-bin/script.pl</code> in all cases:</p>
+
+ <div class="example"><p><code>
+ ScriptAlias /cgi-bin/ /usr/local/apache2/cgi-bin/<br />
+ VirtualScriptAlias /never/found/%0/cgi-bin/
+ </code></p></div>
+ </div>
+</div>
+<div id="quickview"><h3 class="directives">Directives</h3>
+<ul id="toc">
+<li><img alt="" src="../images/down.gif" /> <a href="#virtualdocumentroot">VirtualDocumentRoot</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#virtualdocumentrootip">VirtualDocumentRootIP</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#virtualscriptalias">VirtualScriptAlias</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#virtualscriptaliasip">VirtualScriptAliasIP</a></li>
+</ul>
+<h3>Topics</h3>
+<ul id="topics">
+<li><img alt="" src="../images/down.gif" /> <a href="#interpol">Directory Name Interpolation</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#examples">Examples</a></li>
+</ul><h3>See also</h3>
+<ul class="seealso">
+<li><code class="directive"><a href="../mod/core.html#usecanonicalname">UseCanonicalName</a></code></li>
+<li><a href="../vhosts/mass.html">Dynamically configured mass
+ virtual hosting</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="interpol" id="interpol">Directory Name Interpolation</a></h2>
+
+
+ <p>All the directives in this module interpolate a string into
+ a pathname. The interpolated string (henceforth called the
+ "name") may be either the server name (see the <code class="directive"><a href="../mod/core.html#usecanonicalname">UseCanonicalName</a></code>
+ directive for details on how this is determined) or the IP
+ address of the virtual host on the server in dotted-quad
+ format. The interpolation is controlled by specifiers inspired
+ by <code>printf</code> which have a number of formats:</p>
+
+<table>
+
+<tr><td><code>%%</code></td>
+<td>insert a <code>%</code></td></tr>
+
+<tr><td><code>%p</code></td>
+<td>insert the port number of the virtual host</td></tr>
+
+<tr><td><code>%N.M</code></td>
+<td>insert (part of) the name</td></tr>
+
+</table>
+
+ <p><code>N</code> and <code>M</code> are used to specify
+ substrings of the name. <code>N</code> selects from the
+ dot-separated components of the name, and <code>M</code>
+ selects characters within whatever <code>N</code> has selected.
+ <code>M</code> is optional and defaults to zero if it isn't
+ present; the dot must be present if and only if <code>M</code>
+ is present. The interpretation is as follows:</p>
+
+ <table>
+
+ <tr><td><code>0</code></td>
+ <td>the whole name</td></tr>
+
+ <tr><td><code>1</code></td>
+ <td>the first part</td></tr>
+
+ <tr><td><code>2</code></td>
+ <td>the second part</td></tr>
+
+ <tr><td><code>-1</code></td>
+ <td>the last part</td></tr>
+
+ <tr><td><code>-2</code></td>
+ <td>the penultimate part</td></tr>
+
+ <tr><td><code>2+</code></td>
+ <td>the second and all subsequent parts</td></tr>
+
+ <tr><td><code>-2+</code></td>
+ <td>the penultimate and all preceding parts</td></tr>
+
+ <tr><td><code>1+</code> and <code>-1+</code></td>
+ <td>the same as <code>0</code></td></tr>
+ </table>
+
+ <p>If <code>N</code> or <code>M</code> is greater than the number
+ of parts available a single underscore is interpolated. </p>
+
+</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="section">
+<h2><a name="examples" id="examples">Examples</a></h2>
+
+
+ <p>For simple name-based virtual hosts you might use the
+ following directives in your server configuration file:</p>
+
+ <div class="example"><p><code>
+ UseCanonicalName Off<br />
+ VirtualDocumentRoot /usr/local/apache/vhosts/%0
+ </code></p></div>
+
+ <p>A request for
+ <code>http://www.example.com/directory/file.html</code> will be
+ satisfied by the file
+ <code>/usr/local/apache/vhosts/www.example.com/directory/file.html</code>.
+ </p>
+
+ <p>For a very large number of virtual hosts it is a good idea
+ to arrange the files to reduce the size of the
+ <code>vhosts</code> directory. To do this you might use the
+ following in your configuration file:</p>
+
+ <div class="example"><p><code>
+ UseCanonicalName Off<br />
+ VirtualDocumentRoot /usr/local/apache/vhosts/%3+/%2.1/%2.2/%2.3/%2
+ </code></p></div>
+
+ <p>A request for
+ <code>http://www.domain.example.com/directory/file.html</code>
+ will be satisfied by the file
+ <code>/usr/local/apache/vhosts/example.com/d/o/m/domain/directory/file.html</code>.</p>
+
+ <p>A more even spread of files can be achieved by hashing from the
+ end of the name, for example: </p>
+
+<div class="example"><p><code>
+ VirtualDocumentRoot /usr/local/apache/vhosts/%3+/%2.-1/%2.-2/%2.-3/%2
+</code></p></div>
+
+ <p>The example request would come from
+ <code>/usr/local/apache/vhosts/example.com/n/i/a/domain/directory/file.html</code>.</p>
+
+ <p>Alternatively you might use: </p>
+
+<div class="example"><p><code>
+ VirtualDocumentRoot /usr/local/apache/vhosts/%3+/%2.1/%2.2/%2.3/%2.4+
+</code></p></div>
+
+ <p>The example request would come from
+ <code>/usr/local/apache/vhosts/example.com/d/o/m/ain/directory/file.html</code>.</p>
+
+ <p>For IP-based virtual hosting you might use the following in
+ your configuration file:</p>
+
+ <div class="example"><p><code>
+ UseCanonicalName DNS<br />
+ VirtualDocumentRootIP /usr/local/apache/vhosts/%1/%2/%3/%4/docs<br />
+ VirtualScriptAliasIP /usr/local/apache/vhosts/%1/%2/%3/%4/cgi-bin
+ </code></p></div>
+
+ <p>A request for
+ <code>http://www.domain.example.com/directory/file.html</code>
+ would be satisfied by the file
+ <code>/usr/local/apache/vhosts/10/20/30/40/docs/directory/file.html</code>
+ if the IP address of <code>www.domain.example.com</code> were
+ 10.20.30.40. A request for
+ <code>http://www.domain.example.com/cgi-bin/script.pl</code> would
+ be satisfied by executing the program
+ <code>/usr/local/apache/vhosts/10/20/30/40/cgi-bin/script.pl</code>.</p>
+
+ <p>If you want to include the <code>.</code> character in a
+ <code>VirtualDocumentRoot</code> directive, but it clashes with
+ a <code>%</code> directive, you can work around the problem in
+ the following way:</p>
+
+<div class="example"><p><code>
+ VirtualDocumentRoot /usr/local/apache/vhosts/%2.0.%3.0
+</code></p></div>
+
+ <p>A request for
+ <code>http://www.domain.example.com/directory/file.html</code>
+ will be satisfied by the file
+ <code>/usr/local/apache/vhosts/domain.example/directory/file.html</code>.</p>
+
+ <p>The <code class="directive"><a href="../mod/mod_log_config.html#logformat">LogFormat</a></code>
+ directives <code>%V</code> and <code>%A</code> are useful
+ in conjunction with this module.</p>
+</div>
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="directive-section"><h2><a name="VirtualDocumentRoot" id="VirtualDocumentRoot">VirtualDocumentRoot</a> <a name="virtualdocumentroot" id="virtualdocumentroot">Directive</a></h2>
+<table class="directive">
+<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Dynamically configure the location of the document root
+for a given virtual host</td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>VirtualDocumentRoot <em>interpolated-directory</em>|none</code></td></tr>
+<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>VirtualDocumentRoot none</code></td></tr>
+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_vhost_alias</td></tr>
+</table>
+
+ <p>The <code class="directive">VirtualDocumentRoot</code> directive allows you to
+ determine where Apache will find your documents based on the
+ value of the server name. The result of expanding
+ <em>interpolated-directory</em> is used as the root of the
+ document tree in a similar manner to the <code class="directive"><a href="../mod/core.html#documentroot">DocumentRoot</a></code> directive's argument.
+ If <em>interpolated-directory</em> is <code>none</code> then
+ <code class="directive">VirtualDocumentRoot</code> is turned off. This directive
+ cannot be used in the same context as <code class="directive"><a href="#virtualdocumentrootip">VirtualDocumentRootIP</a></code>.</p>
+
+
+</div>
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="directive-section"><h2><a name="VirtualDocumentRootIP" id="VirtualDocumentRootIP">VirtualDocumentRootIP</a> <a name="virtualdocumentrootip" id="virtualdocumentrootip">Directive</a></h2>
+<table class="directive">
+<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Dynamically configure the location of the document root
+for a given virtual host</td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>VirtualDocumentRootIP <em>interpolated-directory</em>|none</code></td></tr>
+<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>VirtualDocumentRootIP none</code></td></tr>
+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_vhost_alias</td></tr>
+</table>
+
+<p>The <code class="directive">VirtualDocumentRootIP</code> directive is like the
+ <code class="directive"><a href="#virtualdocumentroot">VirtualDocumentRoot</a></code>
+ directive, except that it uses the IP address of the server end
+ of the connection for directory interpolation instead of the server
+ name.</p>
+
+</div>
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="directive-section"><h2><a name="VirtualScriptAlias" id="VirtualScriptAlias">VirtualScriptAlias</a> <a name="virtualscriptalias" id="virtualscriptalias">Directive</a></h2>
+<table class="directive">
+<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Dynamically configure the location of the CGI directory for
+a given virtual host</td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>VirtualScriptAlias <em>interpolated-directory</em>|none</code></td></tr>
+<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>VirtualScriptAlias none</code></td></tr>
+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_vhost_alias</td></tr>
+</table>
+
+ <p>The <code class="directive">VirtualScriptAlias</code> directive allows you to
+ determine where Apache will find CGI scripts in a similar
+ manner to <code class="directive"><a href="#virtualdocumentroot">VirtualDocumentRoot</a></code> does for other documents. It matches
+ requests for URIs starting <code>/cgi-bin/</code>, much like <code class="directive"><a href="../mod/mod_alias.html#scriptalias">ScriptAlias</a></code>
+ <code>/cgi-bin/</code> would.</p>
+
+
+</div>
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="directive-section"><h2><a name="VirtualScriptAliasIP" id="VirtualScriptAliasIP">VirtualScriptAliasIP</a> <a name="virtualscriptaliasip" id="virtualscriptaliasip">Directive</a></h2>
+<table class="directive">
+<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Dynamically configure the location of the cgi directory for
+a given virtual host</td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>VirtualScriptAliasIP <em>interpolated-directory</em>|none</code></td></tr>
+<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>VirtualScriptAliasIP none</code></td></tr>
+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_vhost_alias</td></tr>
+</table>
+
+ <p>The <code class="directive">VirtualScriptAliasIP</code> directive is like the
+ <code class="directive"><a href="#virtualscriptalias">VirtualScriptAlias</a></code>
+ directive, except that it uses the IP address of the server end
+ of the connection for directory interpolation instead of the server
+ name.</p>
+
+
+</div>
+</div>
+<div class="bottomlang">
+<p><span>Available Languages: </span><a href="../en/mod/mod_vhost_alias.html" title="English">&nbsp;en&nbsp;</a> |
+<a href="../tr/mod/mod_vhost_alias.html" hreflang="tr" rel="alternate" title="Türkçe">&nbsp;tr&nbsp;</a></p>
+</div><div id="footer">
+<p class="apache">Copyright 2009 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="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p></div>
+</body></html> \ No newline at end of file