Multi-Homing Security Gateway The innovation of the Internet has created a tremendous worldwide venue for e-business and information sharing, but it also brings network security issues. Hence, the security protection will be the primary concern for the enterprises. Planet's new model of Security Gateway,CS-1000, is specially designed for security protection and adopts Heuristics Analysis to filter spam and virus mail. Moreover, the auto-training system feature included in CS-1000 can raise identify rate of spam, and the built-in Clam virus scan engine can detect viruses, worms and other threats from email transfer. Besides succeeding the fundamental security features in the preveious model CS-500 such as Content Blocking to block specific URL, Scripts, IM/P2P program, IPSec and PPTP VPN server, QoS, Authentication and etc., CS-1000 is designed with the built-in two WAN interfaces to support outbound load balance and wan fail-over feature. Furthermore, the VPN Trunk provides VPN fail-over and load balance features, which offers a VPN redundant mechanism to keep your VPN connection being on line. The CS-1000 not only can filter spam and virus mail, but also is a high performance VPN firewall. The built-in IDP and firewall function can defense hacker and blaster attack from Internet or Intranet. The complete function in one device provides you an excellent security solution and the secure environment more than ever before.