TP-Link TD-W8968 User Manual page 40

Some applications require that specific ports in the modem router's firewall should be opened
for access by remote devices. Port Trigger dynamically opens up the 'Open Ports' in the firewall
when an application on the LAN initiates a TCP/UDP connection to a remote device using the
triggering ports. The modem router allows the remote party from the WAN side to establish
new connections back to the application on the LAN side using the open ports. A maximum 32
entries can be configured.
Port Triggering Setup Table:

entries.
Application (Name):

filled.
Trigger: It includes the Protocol and the Start and End value of the Trigger Ports.

Open: It includes the Protocol and the Start and End value of the Open Ports.

WAN Interface:

Add: Click the button to add a new entry.

Remove: Select the check box in the table above and then click Remove, and the

corresponding entry will be deleted in the table.
To add a new Port Triggering:
1. Click Add on the preceding screen, and then you will see the new Port Triggering in the
next screen as shown below.
The table indicates the information about the Port Triggering
This is the name of the
The WAN Service Interface setting of the Port Triggering.
Port Triggering. It is exclusive and must be
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TD-W8968 User Guide