Difference between revisions of "Connect to laptop (behind NAT) using intermediary server"
(→On the other client) |
(→On the laptop) |
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== On the laptop == | == On the laptop == | ||
| − | This will initiate a connection to the server (from the laptop), and it will set-up a remote port forward such that dialing localhost:12345 | + | This will initiate a connection to the server (from the laptop), and it will set-up a remote port forward such that dialing localhost:12345 '''on the server''' will forward to localhost:22 on the laptop. |
ssh -N -R 12345:localhost:22 harieta@freedom.mgk.ro | ssh -N -R 12345:localhost:22 harieta@freedom.mgk.ro | ||
Revision as of 17:59, 29 July 2019
Introduction
We'll use a combination of ssh remote and local port forwarding in order to expose the laptop's ssh port outside the NAT.
On the server
Make sure you have an account that the laptop can connect to.
On the laptop
This will initiate a connection to the server (from the laptop), and it will set-up a remote port forward such that dialing localhost:12345 on the server will forward to localhost:22 on the laptop.
ssh -N -R 12345:localhost:22 harieta@freedom.mgk.ro
On the other client
This will connect to the server, and then set-up a local port forward (from the other client to the server) such that dialing localhost:1235 on the client will connect to localhost:12345 on the server. Of course, localhost:12345 on the server just forwards to localhost:22 on the laptop.
ssh -N -L 12345:localhost:12345 freedom.mgk.ro
Then from another terminal (still on the other client) you can
ssh -p 12345 localhost
And should reach localhost:22 on the laptop.
