ssh reverse tunnel (lemmy.world)

submitted 2 weeks ago by wulf@lemmy.world to c/linux@lemmy.ml

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Is it possible to use a reverse ssh tunnel to force all network connection on the remote host through the local host.

Essentially:

local -> ssh -> remote remote web request -> ssh tunnel -> local -> internet

I want the remote to make connections through the locals VPN without having to authenticate on the remote as well

Hopefully this makes sense

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[-] Slotos@feddit.nl 5 points 2 weeks ago

ssh to remote, forwarding some remote port to your local ssh port (-R)
ssh from remote through the exposed port, starting socks proxy in the process (-D)
use socks proxy explicitly or find some tool that can route the traffic into it

Similar approach can be used to establish VPN tunnel with no encryption (ssh already provides that), routing everything but your ssh connection through it.

ssh to remote, reverse forwarding your VPN-over-tcp server’s listening port
establish vpn connection on remote, route everything but your ssh connection through the newly established interface

It will be wasteful, but it will work.

this post was submitted on 02 Apr 2025

12 points (83.3% liked)

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