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<!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">
<head>
  <meta http-equiv="Content-Type" content=
  "text/html; charset=us-ascii" />
  <meta name="MSSmartTagsPreventParsing" content="TRUE" />

  <title>Courier Socks 5 proxy client/server</title>
  <!-- Copyright 2013 Double Precision, Inc.  See COPYING for -->
  <!-- distribution information. -->
  <link rel="icon" href="icon.gif" type="image/gif" />
</head>

<body>
  <h1><em>Courier</em> Socks 5 proxy client/server</h1>

  <p>This package implements a Sock5 proxy client/server, as
  defined in <a href="http://www.ietf.org/rfc/rfc1928.txt">RFC
  1928</a> and <a href="http://www.ietf.org/rfc/rfc1929.txt">RFC
  1929</a>.</p>

  <ul>
    <li>
      <p>Access control: define IP address ranges allowed to proxy
      through the server.</p>
    </li>

    <li>
      <p>Access control: import list of banned IP address range, in
      the P2P file format.</p>
    </li>

    <li>
      <p>A "socksify" application wrapper script, that uses shared
      library tricks to try to redirect network connections from
      standalone application through the Socks 5 proxy server.</p>
    </li>
  </ul>

  <p>This proxy library was originally written for the <a href=
  "/"><em>Courier</em> mail server</a>, but it can be used
  independently, as a generic proxy client or server library. The
  <a href="/authlib"><em>Courier</em> authentication library</a>
  must be installed first, even if authentication is not needed,
  because the Socks 5 client/server uses some scripts and tools
  from that package. Additionally, the <code>Net::CIDR</code> Perl
  module is also required.</p>

  <p><a href="/download.html#authlib">Download the <em>Courier</em>
  authentication library</a></p>

  <p><a href="/download.html#sox">Download the <em>Courier</em>
  Socks 5 library</a></p>

  <p><a href="/links.html">Links</a></p>

  <p><a href="/repo.html">Git repository</a></p>
</body>
</html>