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June 12, 2017 08:56
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SSH commands to create tunnels
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| $TARGET_PORT= | |
| $TARGET_IP= | |
| $TARGET_USER= | |
| # SSH tunnel to target machine | |
| ssh -f -N -L $TARGET_PORT:localhost:22 $TARGET_USER@$TARGET_IP | |
| # SSH tunnel from target machine (reverse tunnel) | |
| ssh -f -N -R $TARGET_PORT:localhost:22 $TARGET_USER@$TARGET_IP | |
| # SSH tunnel to target machine with machine in the middle | |
| $MIDDLE_IP= | |
| ssh -f -N -L $TARGET_PORT:$MIDDLE_IP:22 $TARGET_USER@$TARGET_IP | |
| # Check if tunnel exists | |
| $SSH_CMD= | |
| pgrep -f -x "$SSH_CMD" |
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