D-Link DIR-822 User Manual page 99

Section 4 - Configuration
Private Network Settings
Specify the IP address on your local network to which the rule will
Private IP:
forward.
Specify a start and an end port to which the rule will apply. If you wish
Private Port (start/
to specify a single port, specify a start port only.
end):
Click Apply when you are done.
D-Link DIR-822 User Manual 95