SSH Forwarding Cheetsheet

Local port forwarding

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ssh -L 8888:127.0.0.1:3306 somebox.example.com

• Expose port 8888 on localhost and connect to 127.0.0.1 on the remote port 3306.
• This allows you to connect to MySQL on port 8888 locally.
• Instead of 127.0.0.1 you can point to any IP address on the network that is reachable.

ssh -NT -L 8888:127.0.0.1:3306 somebox.example.com

• N - Do not execute remote command
• T - Disable pseudo-tty allocation.