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Port forwarding is one way or two way? Requests made on external port are forwarded to internal port; understood. How about route of responses? - Server Fault
![networking - Port Forwarding on Router using same internal port number on different IP addresses - Super User networking - Port Forwarding on Router using same internal port number on different IP addresses - Super User](https://i.stack.imgur.com/0vMTi.png)
networking - Port Forwarding on Router using same internal port number on different IP addresses - Super User
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