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Chapter 4. Content Filtering Settings | 47
N750 Wireless Dual Band Gigabit Router WNDR4000 User Manual
2. Select the Port Triggering radio button. The port triggering information displays.
3. Clear the Disable Port Triggering check box.
If you set up port triggering and then select the Disable Port Triggering check box, port
triggering is disabled, but the port triggering set up is retained even though it is not used.
4. In the Port Triggering Timeout field, enter a value up to 9999 minutes. This value controls
the inactivity timer for the designated inbound ports. The inbound ports close when the
inactivity time expires. This is required because the router cannot be sure when the
application has terminated.
5. Click Add Service to display the following screen:
6. In the Service Name field, type a descriptive service name.
7. In the Service User field, select Any (the default) to allow this service to be used by any
computer on the Internet. Otherwise, select Single address, and enter the IP address of
one computer to restrict the service to a particular computer.
8. Select the service type, either TCP or UDP or both (TCP/UDP). If you are not sure, select
TCP/UDP.
9. In the Triggering Port field, enter the number of the outbound traffic port that will cause the
inbound ports to be opened.