LevelOne WBR-6803 - Manual (Page 36)

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Service Port Server IP Enable
21 192.168.1.2 V
80 192.168.1.4 V
1723 192.168.1.6 V
Click on “Save” to store your settings or click “Undo” to give up the changes.
3.2.2 Special AP
Some applications require multiple connections, like Internet games, Video conferencing,
Internet telephony, etc. Because of the firewall function, these applications cannot work with a
pure NAT router. The Special Applications feature allows some of these applications to work
with this product. If the mechanism of Special Applications fails to make an application work,
try setting your computer as the DMZ host instead.
1. Trigger: The outbound port number issued by the application.
2. Incoming Ports: When the trigger packet is detected, the inbound packets sent to the
specified port numbers are allowed to pass through the firewall.
This device provides some predefined settings. Select your application and click “Copy to” to
add the predefined setting to your list.