[bheadmaster]

There's an old blogpost I wrote at the time I came up with this method [0]. I think it contains most of the technical details.

Let me know if anything is confusing, I'll answer it here.

[0] https://paskozdilar.github.io/blog/entries/zero_code_ssh_jum...

[ranger_danger]

Maybe I'm missing something, but wouldn't the ssh -J option be much easier?

[bheadmaster]

How do you use -J to connect to a device that isn't publicly reachable?