Looks like it’s because it’s labeled as a Higher-Speed Rail rather than High-speed.

I see this as a failure of society. We have not only neglected the safety of a cyclist and failed to memorialize this person for those that miss them, but also neglected the needs of someone who has resorted to stealing.

I think OPs question is still relevant in that context. Does that case reduce their effort towards privacy? I believe the answer is yes.

It does a few techniques depending on the type of network and security obstacles. They posted an article on it that’s interesting.

I’d also check out pangolin or headscale like others recommeded though since you’re already looking to self-host.