Cisco QuickVPN - PC Administration Manual page 192

Troubleshooting
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Cisco WRVS4400N Wireless-N Gigabit Security Router with VPN Administration Guide
I can't get an Internet game, server, or application to work.
If you are having difficulties getting any Internet game, server, or application to
function properly, consider exposing one PC to the Internet using DeMilitarized
Zone (DMZ) hosting. This option is available when an application requires too
many ports or when you are not sure which port services to use. Make sure you
disable all the forwarding entries if you want to successfully use DMZ hosting,
since forwarding has priority over DMZ hosting. (In other words, data that enters
the router will be checked first by the forwarding settings. If the port number that
the data enters from does not have port forwarding, then the router will send the
data to whichever PC or network device you set for DMZ hosting.) Follow these
steps to set DMZ hosting:
Access the router's web-based utility by going to http://192.168.1.1 or the IP
address of the router. Go to the Firewall > Single Port Forwarding.
Disable the entries you have entered for forwarding.
Go to Setup > DMZ.
Enter the Ethernet adapter's IP address of the computer you want exposed to the
Internet. This will bypass the NAT security for that computer.
Select Enable to enable DMZ Hosting.
When you have completed the configuration, click Save Settings.
I need to set up online game hosting or use other Internet applications.
If you want to play online games or use Internet applications, most will work
without doing any port forwarding or DMZ hosting. There may be cases when you
want to host an online game or Internet application. This would require you to set
up the router to deliver incoming packets or data to a specific computer. This also
applies to the Internet applications you are using. The best way to get the
information on what port services to use is to go to the website of the online game
or application you want to use. Follow these steps to set up online game hosting or
use a certain Internet application:
Access the router's web-based utility by going to http://192.168.1.1 or the IP
address of the router. Go to Firewall > Single Port Forwarding.
Select the Service from the Application column.
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