Welcome We’ve all seen these great diagrams of how SSH port forwarding works but if your brain is anything like mine, these diagrams leave you with a lot of unanswered questions. If you’re on a red team, understanding how to traverse a network better than the people who designed it gives you immense power to do evil things. SSH is such a powerful tool but sometimes the syntax and other concepts can get in the way of us accomplishing our goals.
I didn't see it mentioned on the page. but two super helpful things (in different situations).
Master-mode/multiplexing: https://oooops.dev/2021/01/31/ssh-multiplexing-and-master-mode/
Mosh for ssh over UDP for lossy/up-down connections: https://mosh.org/
Mosh is a lifesaver for laptops and keeping shells alive.