Authentication Methodologies
Authentication is crucial for providing secure remote access through VPN tunnels. The Cisco
VPN Software Client supports XAUTH and Remote Authentication Dial-In User Service
(RADIUS) with support for the following:
¦ State (token cards)
¦ Security Dynamics (RSA SecurID ready)
¦ Microsoft Windows NT domain authentication
¦ Microsoft Challenge Handshake Authentication Protocol version 2 (MS-CHAPv2)—
Windows NT password authentication
¦ X.509 version 3 digital certificates