The innovation of the Internet has created a tremendous worldwide opportunities for e-business and information sharing, however, it also brings network security problems. The request of security becomes the primary concern for the enterprises. To fulfill the demand, PLANET introduces the UTM Content Security Gateway CS-2000, a special designed security gateway to support the enterprises build up the network security protection. The CS-2000 adopts Heuristics Analysis to filter spam and virus mails, and its auto-training system can increase the identify rate of spam. The built-in 80GB Hard Disk can store the spam mail in quarantine. The Anti-virus application has dual virus scan engines - Clam and Sophos to detect viruses, worms and other threats from E-mails and Internet. It also offers the mail report by Daily, Weekly, Monthly and Yearly and helps the administrators monitor the mail status easily. Besides filtering spam and virus mail, the CS-2000 features the IDP and firewall functions to defense hackers and blaster attacks from Internet or Intranet. The complete functions in one device provide enterprises security solutions and the secure environment better than ever. The CS-2000 supports fully security features including Content Blocking to block specific URL, Scripts, IM/P2P program, Authentication, IPSec, PPTP VPN server/Client, SSL VPN, QoS, High Availability, Inbound Load-Balancing and etc. In addition, it provides higher performance with all Gigabit Ethernet interfaces offering faster speeds for your network applications. The two built-in WAN interfaces allow the CS-2000 to support Outbound/Inbound load balance and WAN fail-over feature. Furthermore, the VPN Trunk provides VPN fail-over and load balance features that offers a VPN redundant mechanism to keep the VPN always be connected.