D-Link DIR-810L User Manual page 82

Section 3 - Configuration
Local IP Range:
The rule applies to a flow of messages whose LAN-side IP address falls within the range set here.
Local Port Range:
The rule applies to a flow of messages whose LAN-side port number is within the range set here.
Remote IP Range:
The rule applies to a flow of messages whose WAN-side IP address falls within the range set here.
Remote Port
The rule applies to a flow of messages whose WAN-side port number is within the range set here.
Range:
Click on the Save Settings button to accept the changes made, or click on Don't Save Settings to discard the changes.
D-Link DIR-810L User Manual 77