The challenge ahead: Transfer all traffic from server A to server B. Since all tunnel protocols are closed in server A, I thought reverse ssh is a good option.
I've an Ubuntu server with sshd installed. I open an SSH reverse tunnel from a remote machine. On that machine the connection is restarted every time the ...
Reverse SSH tunneling allows you to use that established connection to set up a new connection from your local computer back to the remote computer. When You'll Want to Use... · Using SSH Reverse Tunneling