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Old 03-01-2019, 07:22 AM
rcolliard rcolliard is offline
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Join Date: Jul 2008
Posts: 2
Remote socks port forwarding

Hello

I discovered recently an interesting feature of openssh 7.6 :
https://www.openssh.com/txt/release-7.6
_____
New Features
------------
ssh(1): add support for reverse dynamic forwarding. In this mode,
ssh will act as a SOCKS4/5 proxy and forward connections
to destinations requested by the remote SOCKS client. This mode
is requested using extended syntax for the -R and RemoteForward
options and, because it is implemented solely at the client,
does not require the server be updated to be supported.
_____

So basically it is the "reversed" command as Dynamic forwarding using SOCKS4 or 5...

On command line instead of -D8080 to get a socks proxy to the SSH server, now since openssh 7.6 -R8080 do the opposite, so opening a SOCKS proxy on server side to send traffic via the client.

It is very helpful to be able to patch a machine in a secured zone which has no Internet access for instance.

Is there a way to do the same with SecureCRT ? I was searching for this in SecureCRT 8.5.3 but I did not find where to configure this.

Regards
Raphael
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