You read about how to create an SSH tunnel and saw that you can do the same in reverse, forwarding a port from the server to your local machine. You tried it out on a server you have access to and discovered that the port you chose isn’t opening on the outside, even though the port is allowed through the firewall. What gives?
This summer I’m learning to develop applications.
I found a tutorial that is quite good by retired IT professional, Ridzwan Abdullah. However, since some of the commands have been updated, the site is a bit outdated.