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authorhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 01:45:08 -0500
committerhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 01:45:08 -0500
commite8ec7aa8e38a93f5b034ac74cebce5de23710317 (patch)
treeaa031937bf856c1f8d6ad7877b8d2cb0224da5ef /rubbos/app/httpd-2.0.64/docs/manual/mod/mod_version.html.en
parentcc40af334e619bb549038238507407866f774f8f (diff)
upload http
JIRA: BOTTLENECK-10 Change-Id: I7598427ff904df438ce77c2819ee48ac75ffa8da 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_version - 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_version</h1>
+<div class="toplang">
+<p><span>Available Languages: </span><a href="../en/mod/mod_version.html" title="English">&nbsp;en&nbsp;</a> |
+<a href="../ja/mod/mod_version.html" hreflang="ja" rel="alternate" title="Japanese">&nbsp;ja&nbsp;</a> |
+<a href="../ko/mod/mod_version.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a></p>
+</div>
+<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Version dependent configuration</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>version_module</td></tr>
+<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_version.c</td></tr>
+<tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in version 2.0.56 and later</td></tr></table>
+<h3>Summary</h3>
+
+ <p>This module is designed for the use in test suites and large
+ networks which have to deal with different httpd versions and
+ different configurations. It provides a new container -- <code class="directive"><a href="#ifversion">&lt;IfVersion&gt;</a></code>, which
+ allows a flexible version checking including numeric comparisons and
+ regular expressions.</p>
+
+ <div class="example"><h3>Examples</h3><p><code>
+ &lt;IfVersion 2.1.0&gt;<br />
+ <span class="indent">
+ # current httpd version is exactly 2.1.0<br />
+ </span>
+ &lt;/IfVersion&gt;<br />
+ <br />
+ &lt;IfVersion &gt;= 2.2&gt;<br />
+ <span class="indent">
+ # use really new features :-)<br />
+ </span>
+ &lt;/IfVersion&gt;
+ </code></p></div>
+
+ <p>See below for further possibilities.</p>
+</div>
+<div id="quickview"><h3 class="directives">Directives</h3>
+<ul id="toc">
+<li><img alt="" src="../images/down.gif" /> <a href="#ifversion">&lt;IfVersion&gt;</a></li>
+</ul>
+</div>
+
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="directive-section"><h2><a name="IfVersion" id="IfVersion">&lt;IfVersion&gt;</a> <a name="ifversion" id="ifversion">Directive</a></h2>
+<table class="directive">
+<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>contains version dependent configuration</td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>&lt;IfVersion [[!]<var>operator</var>] <var>version</var>&gt; ...
+&lt;/IfVersion&gt;</code></td></tr>
+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
+<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>All</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_version</td></tr>
+</table>
+ <p>The <code class="directive">&lt;IfVersion&gt;</code> section encloses
+ configuration directives which are executed only if the
+ <code class="program"><a href="../programs/httpd.html">httpd</a></code> version
+ matches the desired criteria. For normal (numeric) comparisons the
+ <var>version</var> argument has the format
+ <code><var>major</var>[.<var>minor</var>[.<var>patch</var>]]</code>, e.g.
+ <code>2.1.0</code> or <code>2.2</code>. <var>minor</var> and
+ <var>patch</var> are optional. If these numbers are omitted, they are
+ assumed to be zero. The following numerical <var>operator</var>s are
+ possible:</p>
+
+ <table class="bordered"><tr class="header"><th><var>operator</var></th><th>description</th></tr>
+<tr><td><code>=</code> or <code>==</code></td>
+ <td>httpd version is equal</td></tr>
+<tr class="odd"><td><code>&gt;</code></td>
+ <td>httpd version is greater than</td></tr>
+<tr><td><code>&gt;=</code></td>
+ <td>httpd version is greater or equal</td></tr>
+<tr class="odd"><td><code>&lt;</code></td>
+ <td>httpd version is less than</td></tr>
+<tr><td><code>&lt;=</code></td>
+ <td>httpd version is less or equal</td></tr>
+</table>
+
+ <div class="example"><h3>Example</h3><p><code>
+ &lt;IfVersion &gt;= 2.1&gt;<br />
+ <span class="indent">
+ # this happens only in versions greater or<br />
+ # equal 2.1.0.<br />
+ </span>
+ &lt;/IfVersion&gt;
+ </code></p></div>
+
+ <p>Besides the numerical comparison it is possible to match a regular
+ expression against the httpd version. There are two ways to write it:</p>
+
+ <table class="bordered"><tr class="header"><th><var>operator</var></th><th>description</th></tr>
+<tr><td><code>=</code> or <code>==</code></td>
+ <td><var>version</var> has the form
+ <code>/<var>regex</var>/</code></td></tr>
+<tr class="odd"><td><code>~</code></td>
+ <td><var>version</var> has the form
+ <code><var>regex</var></code></td></tr>
+</table>
+
+ <div class="example"><h3>Example</h3><p><code>
+ &lt;IfVersion = /^2.1.[01234]$/&gt;<br />
+ <span class="indent">
+ # e.g. workaround for buggy versions
+ </span>
+ &lt;/IfVersion&gt;
+ </code></p></div>
+
+ <p>In order to reverse the meaning, all operators can be preceded by an
+ exclamation mark (<code>!</code>):</p>
+
+ <div class="example"><p><code>
+ &lt;IfVersion !~ ^2.1.[01234]$&gt;<br />
+ <span class="indent">
+ # not for those versions<br />
+ </span>
+ &lt;/IfVersion&gt;
+ </code></p></div>
+
+ <p>If the <var>operator</var> is omitted, it is assumed to be
+ <code>=</code>.</p>
+
+</div>
+</div>
+<div class="bottomlang">
+<p><span>Available Languages: </span><a href="../en/mod/mod_version.html" title="English">&nbsp;en&nbsp;</a> |
+<a href="../ja/mod/mod_version.html" hreflang="ja" rel="alternate" title="Japanese">&nbsp;ja&nbsp;</a> |
+<a href="../ko/mod/mod_version.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&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