Gateway none User Manual
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CHAPTER 1
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..
z
User-Definable Application Sensing Tunnel
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 multi-port tunnel for it.
z
DMZ 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.
z
Security
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.
z
Virtual Private Network
The Gateway supports three of the most commonly used