Ssh Setup a SSH Tunnel: Difference between revisions
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ssh -f -N [-p <''[[#remote-host-ssh-port|remote-host-ssh-port]]''> -i <''[[#identity-file|identity-file]]''>] \ | ssh -f -N [-p <''[[#remote-host-ssh-port|remote-host-ssh-port]]''> -i <''[[#identity-file|identity-file]]''>] \ | ||
[''[[#remote-host-ssh-user|remote-host-ssh-user]]'']@<''remote-host-address-on-which-ssh-is-exposed''> -L <''local-port''>:<''remote-host-interface-to-forward-to''>:<''port-on-remote-host''> | |||
The "-f" option tells ssh to go to background. | The "-f" option tells ssh to go to background. | ||
Revision as of 03:00, 27 December 2018
Internal
Overview
OpenSSH can be used to tunnel traffic from the local host to a remote host you have an account on.
Setting a Tunnel from a Local Port to a Port on a Remote Host
ssh -f -N [-p <remote-host-ssh-port> -i <identity-file>] \ [remote-host-ssh-user]@<remote-host-address-on-which-ssh-is-exposed> -L <local-port>:<remote-host-interface-to-forward-to>:<port-on-remote-host>
The "-f" option tells ssh to go to background.
The "-N" option tells ssh to NOT execute any command on the remote system. If "-N" is omitted, the ssh tunnel will establish AND login.
The meaning of other arguments is the following:
- -p <remote-host-ssh-port> may be used to specify a non-standard SSH port, if the SSH daemon on the remote host was configured to listen on a port other than 22.
- -i <identity-file> may be used to specify a non-standard identity file, or the identity file for the remote user the connection is made for, if different from the local UNIX user that executes the command.