Headscale is served via HTTPS on port 443 and may use additional ports.
WTF
No, you can't have port 443, that's for my own HTTPS server serving my own web site
The FAQ doesn't answer the question of "Why are you wanting to touch my 80 and 443 ports? I need those for other things"
@vaporeon_ many firewalls block ports that aren’t 80 or 443
A small, community‐oriented Mastodon‐compatible Fediverse (GlitchSoc) instance managed as a joint venture between the cat and KIBI families.