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Possible Duplicates:
SSH to a computer that will then SSH to another computer
how to ssh to the machine behind the firewall?

I have 3 Linux machines A, B and C.

I can ssh from A to B; B to C but not from A to C directly because C is behind a firewall.

Is there a way that I can be able to ssh from A to C directly? I heard about tunneling but I don't know how. I have only root permission in A, but not B and C.

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tlc
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1 Answers1

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You can setup an SSH tunnel From A to B, and use ProxyCommand on that connection to setup a tunnel that then allows you to SSH "directly" from A to C. There is an example in the ssh_config man page (look for ProxyCommand) that covers exactly this use case.

womble
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