1 What is SSH port forwarding?
2 Why use SSH port forwarding?
3 How many sessions are possible?
4 Local forwarding
5 Test SSH port forwarding
6 Persistent SSH tunnels (Using Autossh)
7 Remote forwarding
8 Dynamic forwarding
9 Multiple forwarding
10 List port forwarding
11 Limit forwarding
12 Low latency

https://likegeeks.com/ssh-port-forwarding/