What Is Port Triggering?

Port trigger is a computer term.

Port trigger

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Port trigger is a computer term.

English name for port triggering: Port Triggering. In a computer network, when an application uses a specific port (trigger port) to establish a connection outward, the router forwards the external connection to the internally designated port (forwarding port). Both the trigger port and the forwarding port can be a port range, such as 5000-6000. This is similar to port forwarding, but different from port forwarding, the establishment of forwarding is caused after the port generates a certain amount of traffic, that is, the port forwarding occurs after the trigger. Once the trigger condition is not met, the forwarding will end.

This is suitable for some types of online games, P2P download tools. Because directly using port forwarding may cause certain security threats (exposing some of your own ports to the Internet all the time).