Chapter 4 – Using the Advanced Feature Set
47
unrequested data from entering your network. Most
applications (like Web browsing or e-mail) are unaffected
by the NAT firewall because the information that is
returned has been requested by a PC on your network.
However, some applications (such as games and Internet
messaging) experience problems because the NAT
firewall blocks data that is needed for them to function
correctly.
The settings listed on the Virtual Server menu correct the
problems experienced by some applications by allowing
unrequested data to pass through commonly used
services to the PC with the IP Address that was entered.
In addition, you can select All (DMZ) to allow
unrequested data to pass through all parts of your NAT
Firewall to that PC. This disables the NAT firewall for that
PC and should only be done if you experience connection
problems, or if you have additional firewall software
installed on that PC.
Note
If you add a third-party firewall to a PC, you may
be required to configure it to allow internal network
communication. Refer to the third-party documentation
for assistance.
user_guide_rg1210.book Page 47 Monday, April 22, 2002 2:20 PM