This is a video briefly describing Port Forwarding and some of the issues you would experience with it. Someone made a post asking why a port checker says the port is closed. This shows why that could be the case. This doesn't show you how to port forward just more explaining some of the issues you would experience.
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-- User who posted --
u/FlamesOfAnzer
![](https://i.ytimg.com/vi/ZwRecff1jJ8/maxresdefault.jpg)