Edimax AR-7288WnA Manual page 52

Step 1 Click the Add button to display the following page.
 Use interface: Select an interface that you want to configure.
 Select a Service: Select a proper service in the drop-down list.
 Custom Server: Enter a new service name to establish a user service type.
 Server IP Address or Hostname: Assign an IP address to virtual server.
 External Port Start: When selecting a service, the port number will
automatically be displayed. You can modify it if necessary.
 External Port End: When selecting a service, the port number will
automatically be displayed. You can modify it if necessary.
 Protocol: You may select TCP/UDP, TCP, or UDP in the drop-down list.
 Internal Port Start: When selecting a service, the port number will
automatically be displayed. You can modify it if necessary.
 Internal Port End: When selecting a service, the port number will
automatically be displayed. You can modify it if necessary.
Step 2 After setting, click Save/Apply to save and apply the settings.
5.3.4.2. Port Triggering
Some applications need some ports to be opened in the firewall for the
remote access. When an application initializes a TCP/UDP to connect to a
remote user, port triggering dynamically opens the open ports of the firewall.
Choose Advanced Settings > NAT > Port Triggering, and the following page
appears.
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