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| <title>Apache mod_rewrite - Apache HTTP Server Version 2.2</title> |
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| <p class="apache">Apache HTTP Server Version 2.2</p> |
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| <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 the <strong>2.2</strong> version of Apache httpd, which is no longer maintained. The active release 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/rewrite/">this link</a> to go to the current version of this document.</p></div><div id="preamble"><h1>Apache mod_rewrite</h1> |
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| <p><span>Available Languages: </span><a href="../en/rewrite/" title="English"> en </a> | |
| <a href="../fr/rewrite/" hreflang="fr" rel="alternate" title="Français"> fr </a> | |
| <a href="../tr/rewrite/" hreflang="tr" rel="alternate" title="Türkçe"> tr </a> | |
| <a href="../zh-cn/rewrite/" hreflang="zh-cn" rel="alternate" title="Simplified Chinese"> zh-cn </a></p> |
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| |
| <p><code class="module"><a href="../mod/mod_rewrite.html">mod_rewrite</a></code> provides a way to modify incoming |
| URL requests, dynamically, based on <a href="intro.html#regex">regular |
| expression</a> rules. This allows you to map arbitrary URLs onto |
| your internal URL structure in any way you like.</p> |
| |
| <p>It supports an unlimited number of rules and an |
| unlimited number of attached rule conditions for each rule to |
| provide a really flexible and powerful URL manipulation |
| mechanism. The URL manipulations can depend on various tests: |
| server variables, environment variables, HTTP |
| headers, time stamps, external database lookups, and various other |
| external programs or handlers, can be used to achieve granular URL |
| matching.</p> |
| |
| <p>Rewrite rules can operate on the full URLs, including the path-info |
| and query string portions, and may be used in per-server context |
| (<code>httpd.conf</code>), per-virtualhost context (<code class="directive"><a href="../mod/core.html#virtualhost"><VirtualHost></a></code> blocks), or |
| per-directory context (<code>.htaccess</code> files and <code class="directive"><a href="../mod/core.html#directory"><Directory></a></code> blocks). The |
| rewritten result can lead to further rules, internal |
| sub-processing, external request redirection, or proxy |
| passthrough, depending on what <a href="flags.html">flags</a> you |
| attach to the rules.</p> |
| |
| <p>Since mod_rewrite is so powerful, it can indeed be rather |
| complex. This document supplements the <a href="../mod/mod_rewrite.html">reference documentation</a>, and |
| attempts to allay some of that complexity, and provide highly |
| annotated examples of common scenarios that you may handle with |
| mod_rewrite. But we also attempt to show you when you should not |
| use mod_rewrite, and use other standard Apache features instead, |
| thus avoiding this unnecessary complexity.</p> |
| |
| |
| <ul> |
| <li><a href="../mod/mod_rewrite.html">mod_rewrite reference |
| documentation</a></li> |
| <li><a href="intro.html">Introduction to regular expressions and mod_rewrite</a></li> |
| <li><a href="remapping.html">Using mod_rewrite for redirection and remapping of URLs</a></li> |
| <li><a href="access.html">Using mod_rewrite to control access</a></li> |
| <li><a href="vhosts.html">Dynamic virtual hosts with mod_rewrite</a></li> |
| <li><a href="proxy.html">Dynamic proxying with mod_rewrite</a></li> |
| <li><a href="rewritemap.html">Using RewriteMap</a></li> |
| <li><a href="advanced.html">Advanced techniques and tricks</a></li> |
| <li><a href="avoid.html">When <strong>NOT</strong> to use mod_rewrite</a></li> |
| <li><a href="flags.html">RewriteRule Flags</a></li> |
| <li><a href="tech.html">Technical details</a></li> |
| </ul> |
| </div> |
| <div id="quickview"><h3>See also</h3><ul class="seealso"><li><a href="../mod/mod_rewrite.html">mod_rewrite reference |
| documentation</a></li><li><a href="../urlmapping.html">Mapping URLs to the Filesystem</a></li><li><a href="http://wiki.apache.org/httpd/Rewrite">mod_rewrite |
| wiki</a></li><li><a href="../glossary.html">Glossary</a></li></ul></div> |
| </div> |
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| <p><span>Available Languages: </span><a href="../en/rewrite/" title="English"> en </a> | |
| <a href="../fr/rewrite/" hreflang="fr" rel="alternate" title="Français"> fr </a> | |
| <a href="../tr/rewrite/" hreflang="tr" rel="alternate" title="Türkçe"> tr </a> | |
| <a href="../zh-cn/rewrite/" hreflang="zh-cn" rel="alternate" title="Simplified Chinese"> zh-cn </a></p> |
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