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<?xml version='1.0' encoding='UTF-8' ?>
<!DOCTYPE manualpage SYSTEM "../style/manualpage.dtd">
<?xml-stylesheet type="text/xsl" href="../style/manual.en.xsl"?>
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<manualpage metafile="index.xml.meta">
<parentdocument href="../"/>
<title>Apache mod_rewrite</title>
<summary>
<blockquote>
<p>``The great thing about mod_rewrite is it gives you
all the configurability and flexibility of Sendmail.
The downside to mod_rewrite is that it gives you all
the configurability and flexibility of Sendmail.''</p>
<p class="cite">-- <cite>Brian Behlendorf</cite><br />
Apache Group</p>
</blockquote>
<blockquote>
<p>`` Despite the tons of examples and docs,
mod_rewrite is voodoo. Damned cool voodoo, but still
voodoo. ''</p>
<p class="cite">-- <cite>Brian Moore</cite><br />
bem@news.cmc.net</p>
</blockquote>
<p>Welcome to mod_rewrite, the Swiss Army Knife of URL
manipulation!</p>
<p>This module uses a rule-based rewriting engine (based on a
regular-expression parser) to rewrite requested URLs on the
fly. 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,
for instance server variables, environment variables, HTTP
headers, time stamps and even external database lookups in
various formats can be used to achieve granular URL
matching.</p>
<p>This module operates on the full URLs (including the
path-info part) both in per-server context
(<code>httpd.conf</code>) and per-directory context
(<code>.htaccess</code>) and can even generate query-string
parts on result. The rewritten result can lead to internal
sub-processing, external request redirection or even to an
internal proxy throughput.</p>
<p>But all this functionality and flexibility has its
drawback: complexity. So don't expect to understand this
entire module in just one day.</p>
</summary>
<section id="documentation"><title>Documentation</title>
<ul>
<li><a href="rewrite_intro.html">Introduction</a></li>
<li><a href="rewrite_tech.html">Technical details</a></li>
<li><a href="rewrite_guide.html">Practical solutions to common
problems</a></li>
<li><a href="../glossary.html">Glossary</a></li>
</ul>
</section>
<section id="mod-rewrite"><title>mod_rewrite</title>
<p>Extensive documentation on the directives
provided by this module is provided in the <a
href="../mod/mod_rewrite.html">mod_rewrite reference documentation</a>.
</p>
</section>
</manualpage>
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