vpnc: vpnc (free VPN client) vpnc: vpnc: vpnc is a free Cisco compatible VPN client. It works with Cisco VPN vpnc: concentrator 3000 Series, IOS routers, PIX/ASA Zecurity Appliances and vpnc: Juniper/Netscreen. vpnc: Supported Authentications: Pre-Shared-Key + XAUTH, Pre-Shared-Key; vpnc: Supported IKE DH-Groups: dh1 dh2 dh5; Supported Hash Algo: md5 sha1; vpnc: Supported Encryptions: (null) (1des) 3des aes128 aes192 aes256; vpnc: Perfect Forward Secrecy: nopfs dh1 dh2 dh5 vpnc: NOTE: Hybrid Authentication is due to a patent NOT supported vpnc: Homepage: http://www.unix-ag.uni-kl.de/~massar/vpnc/