User guide

42DSL-2750B User Guide
Advanced Filtering
Some applications require multiple connections, such as Internet gaming, video conferencing, Internet
telephony and others. These applications have diculties working through NAT (Network Address Translation).
Port Triggering makes some of these applications work with the Gateway.
Protocol:
Outgoing Trigger Ports:
Incoming Ports to
Open:
Action:
Add:
Displays the protocol/service. Check the box to activate the rule.
Displays the outgoing port(s) and protocol(s) used by the application.
Displays the incoming port(s) and protocol(s) opened by the application.
Click the red X to delete the rule.
Select a service/application from the drop-down menu to add.