D-Link DSL-2750B User Manual page 59

Section 3 - Configuration
PORT FORWARDING RULES CONFIGURATION
Select a name from the Application Name drop-down menu for a
pre-configured application or type a name in the Name input box to define
your own application.
Select a name from the Computer Name drop-down menu or type an IP
address in the IP address input box to appoint the PC to receive the
forwarded packets.
The External Port shows the ports opened for remote users in the WAN
side of the router. The TCP/UDP means the protocol type of the opened
ports.
The Internal Port shows the ports opened in the PC with the appointed IP
Address. The TCP/UDP means the protocol type of the opened ports.
D-Link DSL-2750B User Manual 59