User Manual Part 2

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(1-5) in the “Add” selection box and then click the <Add> button.
This will automatically list the Public Ports required for this popular
application in the location (1-5) you specified.
Add Port Triggering
Fill in the "Trigger Port", "Trigger Type”, “Public Port”, "Public Type", "Public
Port" and "Description" of the setting to be added and then Click <Add>. The Port
Triggering setting will be added into the "Current Trigger-Port Table" below. If you
happen to make a mistake, just click <Reset> and the fields will be cleared.
Remove Port Triggering
If you want to remove Special Application settings from the "Current Trigger-Port
Table", select the Port Triggering settings you want to remove in the table and then
click <Delete Selected>. If you want remove all Port Triggering settings from the table,
just click the <Delete All> button. Click <Reset> will clear your current selections.
- Application Layer Gateway (ALG)
You can select applications that need ALG support. The router will let the selected application
to correctly pass through the NAT gateway.