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xopr/reverse_tunnel.sh

Created April 11, 2018 07:31
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Use autossh and screen to create a tunnel back to the local host publicly available on 'remote'
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reverse_tunnel.sh
#!/bin/bash
echo Setting up remote tunnel in screen session
screen -dmS tunnel autossh -N -R *:2222:localhost:22 -i .ssh/cypher tunnel@remote -p22
@stuiterveer
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stuiterveer commented Apr 11, 2018 •
edited

Check if screen session for tunnel already exists before executing:

if ! screen -list | grep -q "tunnel"; then
    echo Setting up remote tunnel in screen session
    screen -dmS tunnel autossh -N -R *:2222:localhost:22 -i .ssh/cypher tunnel@remote -p22
fi

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