SSH Tunneling Explained

All tunneling features supported by OpenSSH

In this post, I’ll cover different tunneling features as supported by OpenSSH, which helps achieve security use cases such as remote web service access without exposing ports on the internet, accessing servers behind NAT, exposing local ports to the internet. OpenSSH is the most widely used open-source SSH server. It comes pre-installed by default with the vast majority of Linux distributions.

https://goteleport.com/blog/ssh-tunneling-explained/