Step 1 Open the web browser and type the IP address of the device in the address bar (default is 192.168.1.1). Press Enter.
Step 2 Type the username and password in the login page, the default username and password both are admin, Then click OK to log into the device.
Step 3 Click Advanced Setup->NAT->Virtual Servers on the left side to open the Virtual Servers Setup page.
Step 4 Click Add button to add a new entry for opening the ports.
1, You can choose the option Select a Service and select a service in the list, then the ports for the server will be put into the entry automatically, or you can choose Custom server and type a server name, then type the ports for the server manually.
2, Type the IP address of your computer.
3, Type the IP address of the server if you selected Custom Server.
1 You´d better assign a static IP address for your computer, so the Virtual Server entry will take effect all the time.