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<div class="SECT1">
<h1 class="SECT1"><a name="INTRODUCTION" id="INTRODUCTION">1.
Introduction</a></h1>
<p>This documentation is included with the current stable version of
<span class="APPLICATION">Privoxy</span>, 3.0.21.</p>
<div class="SECT2">
<h2 class="SECT2"><a name="FEATURES" id="FEATURES">1.1.
Features</a></h2>
<p>In addition to the core features of ad blocking and <a href=
"http://en.wikipedia.org/wiki/Browser_cookie" target="_top">cookie</a>
management, <span class="APPLICATION">Privoxy</span> provides many
supplemental features, that give the end-user more control, more
privacy and more freedom:</p>
<ul>
<li>
<p>Supports "Connection: keep-alive". Outgoing connections can be
kept alive independently from the client.</p>
</li>
<li>
<p>Supports IPv6, provided the operating system does so too, and
the configure script detects it.</p>
</li>
<li>
<p>Supports tagging which allows to change the behaviour based on
client and server headers.</p>
</li>
<li>
<p>Can be run as an "intercepting" proxy, which obviates the need
to configure browsers individually.</p>
</li>
<li>
<p>Sophisticated actions and filters for manipulating both server
and client headers.</p>
</li>
<li>
<p>Can be chained with other proxies.</p>
</li>
<li>
<p>Integrated browser-based configuration and control utility at
<a href="http://config.privoxy.org/" target=
"_top">http://config.privoxy.org/</a> (shortcut: <a href=
"http://p.p/" target="_top">http://p.p/</a>). Browser-based tracing
of rule and filter effects. Remote toggling.</p>
</li>
<li>
<p>Web page filtering (text replacements, removes banners based on
size, invisible <span class="QUOTE">"web-bugs"</span> and HTML
annoyances, etc.)</p>
</li>
<li>
<p>Modularized configuration that allows for standard settings and
user settings to reside in separate files, so that installing
updated actions files won't overwrite individual user settings.</p>
</li>
<li>
<p>Support for Perl Compatible Regular Expressions in the
configuration files, and a more sophisticated and flexible
configuration syntax.</p>
</li>
<li>
<p>GIF de-animation.</p>
</li>
<li>
<p>Bypass many click-tracking scripts (avoids script
redirection).</p>
</li>
<li>
<p>User-customizable HTML templates for most proxy-generated pages
(e.g. "blocked" page).</p>
</li>
<li>
<p>Auto-detection and re-reading of config file changes.</p>
</li>
<li>
<p>Most features are controllable on a per-site or per-location
basis.</p>
</li>
<li>
<p>Many smaller new features added, limitations and bugs
removed.</p>
</li>
</ul>
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