mcastelino

Create a process with its own network and pid namespace

$ unshare --user --map-root-user --net --mount
[root@incensed-gawain ~]# echo $$
2646

Run the slirp process on the host

egernst

Reverse Tunneling, or "how can I access that machine that is behind another network?"

Let's say we have a few test machines sitting behind a workstation router

Assuming the 'router' will forward traffic out, we can facilitate SSH'ing 'directly' to a test machine beind the router by leveraging reverse tunneling:

ssh -f -N -R 19999:localhost:22 <username>@<users host>

where: