D-Link AX1500 Product Overview page 83

Section 3 - Configuration
If you click on Edit or Add Rule, the following options will appear:
Name
Enter a name for the rule. Alternatively, select the protocol/
Application Name from the drop-down menu. Depending on
the requested service, the router redirects the external service
request to the appropriate internal host.
Local IP
Enter the IP address of the computer on your local network
that you want to direct the incoming service to. Alternatively,
select the device from the drop-down menu.
Protocol Select the protocol of the traffic to allow or deny (TCP, UDP,
Both, or Other).
Protocol Number If you entered Other above, enter the protocol number. Refer
to https://www.iana.org/assignments/protocol-numbers/
protocol-numbers.xhtml for Assigned Internet Protocol
Numbers.
External Port Enter the public port you want to open.
Internal Port Enter the private port you want to open.
Schedule Use the drop-down menu to select the time schedule for the
rule. The schedule may be set to Always Enable, or you can
create your own schedules in the Schedules section. Refer
to Time & Schedule - Schedule on page 85 for more
information.
D-Link R15 User Manual 78