vpnc is supposed to work with:
* Cisco VPN concentrator 3000 Series * Cisco IOS routers * Cisco PIX / ASA Zecurity Appliances * Juniper/Netscreen
Supported Authentications: Hybrid, Pre-Shared-Key + XAUTH, Pre-Shared-Key Supported IKE DH-Groups: dh1 dh2 dh5 Supported Hash Algo (IKE/IPSEC): md5 sha1 Supported Encryptions (IKE/IPSEC): (null) (1des) 3des aes128 aes192 aes256 Perfect Forward [...]