#Golang ssh tunnel how to#
#Golang ssh tunnel software#
#Golang ssh tunnel code#

To enable forwarding for the TUN device, edit /etc/ssh/sshd_config and set PermitTunnel to yes, point-to-point or ethernet. It is also possible to create a layer 2/ethernet/TAP tunnel. Here, a layer 3/point-to-point/ TUN tunnel is described. OpenSSH has built-in TUN/TAP support using -w. Now all traffic (except for DNS and the SSH server itself) should go through tun0. # ip route add default via 10.0.0.2 metric 6 With all of that said, let us get to work: We also need a new default route with a lower metric than your old default route so that traffic goes into the tunnel at all. Apart from that, we need to set an explicit DNS route because tun2socks does not tunnel UDP (required for DNS). The idea behind setting the metrics specifically is because we need to ensure that the route picked to the SSH server is always direct because otherwise it would go back into the SSH tunnel which would cause a loop and we would lose the SSH connection as a result. Default route for all other traffic with a higher metric than the other routes.Route for DNS server (because tun2socks does not do UDP which is necessary for DNS) with a low metric.Route that goes to the SSH server that we use for the tunnel with a low metric.Let us set up a route that routes all traffic into it. Now you have a working local tun0 interface which routes all traffic going into it through the SOCKS proxy you set up earlier.Īll that's left to do now is to set up a local route to get some traffic into it. $ ssh -TND 4711 up badvpn and tunnel interfaceĪfterwards, we can go ahead with setting up the TUN. No 3rd party recruiters.Note: The badvpn project has been discontinued in August 2022, and the latest stable release is from April 2015.īadvpn is a collection of utilities for various VPN-related use cases.įirst, we will set up a normal SSH dynamic socks proxy like usual: Please keep in mind, this is for 1st party postings only. To avoid too much noise from companies, please post job openings there. We have a monthly 'Who's Hiring?' post that will stay pinned to the top of the subreddit.

#Golang ssh tunnel how to#

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#Golang ssh tunnel software#

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#Golang ssh tunnel code#

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