NAT Inbound: Create a new Inbound rule

1    Click Add NAT Inbound Rule.
2    Enter the following information.

Interface Select the interface required.
Port Refers to a 16-bit number (range 1 to 65535) used by transport layer protocol (UDP or TCP). Ports are used to address application or services which run a server.
Protocol Select either UDP or TCP protocol.
Destination address Enter the IP address on the private network which the packet's destination IP address should be translated to.

3    Click Create.
4
    To save the changes permanently, click Save Config (Configuration option). Changes that are not saved will be lost the next time you power off or restart your Router.