The relay feature is terrible though. It ruins video quality for any stream over 1mbps unless you pay and then it still ruins any stream over 2mbps. Any good plex server will have direct connect enabled just like jellyfin.
What's the security risk you worry about having a plex media server or jellyfin server listening on the Internet?
Go live your life. Make some mistakes worth talking about then come back.
Still working on it. Turns out all the stuff I was so scared to do with my life wasn't so dangerous after all.