D-Link Router

61D-Link DWR-961 User Manual
Section 3 - Conguration
An application-level gateway (ALG) is a security component that augments a rewall or NAT employed in a network. It allows customized NAT lters
to support address and port translation for specied application layer protocols. For each protocol type, check Enable to activate the ALG, and
specify a port. Click Apply to save your settings, or Cancel to revert to your previous settings.
ALG