service (or port number), the Gateway can route the request to the appropriate server (at another internal IP address). This secures your network from direct attack by hackers, and provides more flexible management by allowing you to change internal IP addresses without affecting outside access to your network..
You can define special applications that require multiple connections such as videoconferencing, Internet gaming, and Internet telephony. The Gateway can then sense the application type and open a
zDMZ Host Support
Allows a networked computer to be fully exposed to the Internet. This function is used when the special application sensing tunnel feature is insufficient to allow an application to function correctly.
zSecurity
The Gateway supports security features that can deny Internet access to specified users, or filter all requests for specific services the administrator does not want to serve. The Gateway's firewall can also block common hacker attacks, including IP Spoofing, Land Attack, Ping of Death, IP with zero length, Smurf Attack, UDP port loopback, Snork Attack, TCP null scan, and TCP SYN flooding.
zVirtual Private Network
The Gateway supports three of the most commonly used