TP-Link TD-W8970 User Manual page 75

TD-W8970
2. Select a common application from the Common Service Port drop-down list, then the
Trigger Port field and the Open Ports field will be automatically filled. If the Common
Service Port does not have the application you need, enter the Trigger Port and the Open
Ports manually.
Select the protocol used for Trigger Port from the Trigger Protocol drop-down list, either
3.
TCP, UDP, or All.
4. Select the protocol used for Incoming Ports from the Open Protocol drop-down list, either
TCP or UDP, or All.
5. Select Enable in Status field.
6. Click the Save button to save the new rule.
Trigger Port: The port for outgoing traffic. An outgoing connection using this port will trigger

this rule.
Trigger Protocol: The protocol used for Trigger Ports, either TCP, UDP, or All (all protocols

supported by the modem router).
Open Port: The port or port range used by the remote system when it responds to the

outgoing request. A response using one of these ports will be forwarded to the PC which
triggered this rule. You can input at most 5 groups of ports (or port sections). Every group of
ports must be separated with ",", for example, 2000-2038, 2046, 2050-2051, 2085,
3010-3030.
Open Protocol: The protocol used for Incoming Port, either TCP, UDP, or ALL (all

protocols supported by the modem router).
Status: The status of this entry, Enabled means the Port Triggering entry is enabled.

Common Service Port: Some popular applications already listed in the drop-down list of

Open Protocol.
To modify or delete an existing entry:
1. Find the desired entry in the table.
Click Edit as desired on the Edit column.
2.
Click the Enable/ Disabled Selected button to make selected entries enabled/ disabled.
300Mbps Wireless N Gigabit ADSL2+ Modem Router User Guide
Figure 4-67
66