D-Link DSL-2760U User Manual page 52

D-Link DSL-2760U USER'S MANUAL
Some applications such as games, video conferencing, remote access
applications and others require that specific ports in the Router's firewall be
opened for access by the applications.
You can configure the port settings from this screen by selecting an existing
application or creating your own (Custom application) and click Save/Apply to
add it.
A maximum number of 32 entries can be configured.
View the newly added rule.
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