Created
May 18, 2015 16:06
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RevSSH
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| #!/bin/sh | |
| # ------------------------------ | |
| # autossh reverse tunnel on boot | |
| # ------------------------------ | |
| # See autossh and google for reverse ssh tunnels to see how this works | |
| # When this script runs it will allow you to ssh into this machine even if it is behind a firewall or has a NAT'd IP address. | |
| # From any ssh capable machine you just type ssh -p $PORT_MIDDLEMAN_WILL_LISTEN_ON localusername@middleman | |
| # This is the username on your local server who has public key authentication setup at the middleman | |
| USER_TO_SSH_IN_AS=change_me | |
| # This is the username and hostname/IP address for the middleman (internet accessible server) | |
| MIDDLEMAN_SERVER_AND_USERNAME=root@IPADDRESS | |
| # The following two numbers can be whatever you want, but need to be unique if you have multiple reverse ssh tunnels | |
| # Port that the middleman will listen on (use this value as the -p argument when sshing) | |
| PORT_MIDDLEMAN_WILL_LISTEN_ON=8080 | |
| # Connection monitoring port, don't need to know this one | |
| AUTOSSH_PORT=27554 | |
| # Ensures that autossh keeps trying to connect | |
| AUTOSSH_GATETIME=0 | |
| export AUTOSSH_PORT AUTOSSH_GATETIME | |
| su -c "autossh -f -N -R *:${PORT_MIDDLEMAN_WILL_LISTEN_ON}:localhost:22 ${MIDDLEMAN_SERVER_AND_USERNAME} -oLogLevel=error -oUserKnownHostsFile=/dev/null -oStrictHostKeyChecking=no" $USER_TO_SSH_IN_AS |
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