Port 22 and Relation with SSH Protocol – POFTUT
But you can go the other way. If you have your friend open an ssh connection to your machine, and port forward the ssh port, then you can ssh back through his tunnel to his machine. This gives you an ssh connection to his machine that will only survive as long as his ssh to you, (complete with port forwarding), remains. Authorizing inbound traffic for your Linux instances To open a port for inbound traffic, add a rule to a security group that you associated with your instance when you launched it. To connect to your instance, you must set up a rule to authorize SSH traffic from your computer's public IPv4 address. A Guide to SSH Port Forwarding/Tunnelling - Boolean World
How to Open a Port in Linux? - Tech Spirited
Remote SSH port forwarding is commonly used by employees to open backdoors into the enterprise. For example, the employee may set get a free-tier server from Amazon AWS , and log in from the office to that server, specifying remote forwarding from a port on the server to some server or application on the internal enterprise network. SSH Port How SSH port became 22. The default SSH port is 22. It is not a coincidence. This is a story of how it got that port. When I (Tatu Ylonen first published this story in April 2017, it went viral and got about 120,000 readers in three days.The story of getting SSH port 22. I wrote the initial version of SSH (Secure Shell… SSH and telnet port open - Cisco Community
May 16, 2018
Jul 23, 2020