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	<h1>Features</h1>

<ul>
  <li>Connection through HTTP proxy, including <a href="https://code.google.com/archive/p/libproxy/">libproxy</a> support for automatic proxy configuration.</li>
  <li>Connection through SOCKS5 proxy.</li>
  <li>Automatic detection of IPv4 and IPv6 address, routes.</li>
  <li>Authentication via HTTP forms.</li>
  <li>Authentication using SSL certificates &#8212; from local file, <a href="https://en.wikipedia.org/wiki/Trusted_Platform_Module">Trusted Platform Module</a> and PKCS#11 smartcards.</li>
  <li>Authentication using SecurID software tokens <i>(when built with libstoken)</i></li>
  <li>Authentication using OATH TOTP or HOTP software tokens.</li>
  <li>Authentication using Yubikey OATH tokens <i>(when built with libpcsclite)</i></li>
  <li><i>UserGroup</i> support for selecting between multiple configurations on a single VPN server.</li>
  <li>Data transport over TCP <i>(HTTPS)</i> or UDP <i>(DTLS or ESP)</i>.</li>
  <li>Keepalive and Dead Peer Detection on both HTTPS and DTLS.</li>
  <li>Automatic update of VPN server list / configuration.</li>
  <li>Roaming support, allowing reconnection when the local IP address changes.</li>
  <li>Run without root privileges <i>(see <a href="nonroot.html">here</a>)</i>.</li>
  <li>Support for "Cisco Secure Desktop" <i>(see <a href="csd.html">here</a>)</i>, Juniper TNCC <i>(see <a href="juniper.html#tncc">here</a>)</i>, and "GlobalProtect HIP report" <i>(see <a href="hip.html">here</a>)</i>.</li>
  <li>Graphical connection tools for various environments <i>(see <a href="gui.html">here</a>)</i>.</li>
</ul>

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