It's difficult to resist the urge to use port forwarding since this can be achieved on your router with a quick settings ...

Single NAT is straightforward in dealing with port forwarding, but the problem is that many ISPs use another form of NAT called CGNAT (Carrier Grade-NAT), which puts you in a double NAT situation.

Port mirroring is a feature that duplicates network traffic from a source host’s port to a secondary host for analysis. It can be used for monitoring, troubleshooting, and analyzing network ...