In this article, we are going to learn about the concepts and techniques of Port forwarding and Tunnelling. This article stands as an absolute cheatsheet

Basically, tunneling is a process which allows data sharing or communication between two different networks privately. Tunneling is normally performed through encapsulating the private network

If you are aware of SSH tunneling then you can easily understand SSH pivoting, if not then don’t worry read SSH tunneling from here.    Pivoting