https is called ‘Secure Connections’ in Plex and is already integrated.
But for that, would I have to access it by app.plex.tv?
So what?
Using the hosted version has also the advantage that it’s always a few software versions ahead.
You can only do that if you get a fitting cryptographic certificate for your domain name. You need to study this page carefully: https://support.plex.tv/articles/200430283-network/
Understand.
Thank you.