Features
- Connection through HTTP proxy, including libproxy support for automatic proxy configuration.
- Connection through SOCKS5 proxy.
- Automatic detection of IPv4 and IPv6 address, routes.
- Authentication via HTTP forms.
- Authentication using SSL certificates — from local file, Trusted Platform Module and (when built with GnuTLS) PKCS#11 smartcards.
- UserGroup support for selecting between multiple configurations on a single VPN server.
- Data transport over TCP (HTTPS) or UDP (DTLS).
- Keepalive and Dead Peer Detection on both HTTPS and DTLS.
- Automatic update of VPN server list / configuration.
- Roaming support, allowing reconnection when the local IP address changes.
- Run without root privileges (see here).
- "Cisco Secure Desktop" support (see here).
- Graphical connection tools for various environments (see here).
