They also provide the HTTPS certificate allowing for secure communication, along with the DNS infrastructure for that. That is, your host gets a DNS entry alon

They also provide the HTTPS certificate allowing for secure communication, along with the DNS infrastructure for that. That is, your host gets a DNS entry along the lines of 1.2.3.4.something.plex.com, where 1.2.3.4 is your Plex server's public IP, and they have a deal with a cert issuer so they can get valid certs for that hostname. edit: It's Let's Encrypt these days[1], was sure it wasn't that when it started, but it's been a while. [1]: https://support.plex.tv/articles/206225077-how-to-use-secure-server-connections/ https://support.plex.tv/articles/206225077-how-to-use-secure...