Designed for the mobile work force the single user licence BiGuard CO1 is a Windows-based software that is implemented with IPSec VPN solution to allow a remote user to establish a secure connection to the corporate network over the public Internet. The VPN client supports a wide range of tunnelling protocols and authentication such as full IPSec support Data Encryption Standard (DES) 3DES and Advanced Encryption Standard (AES). It also supports full Internet Key Exchange (IKE - Main mode and Aggressive mode) Message-Digest Algorithm (MD5) and Secure Hash Algorithms (SHA). Peer-to-Peer mode can be used to securely connect branch office servers to the corporate information system. Compatible with Billion VPN modem/routers and Billion VPN Security Gateways.