I finally decided it was time to look into getting a secure connection with SSL certificate set up on my server, so I went through the steps of grabbing a domain name and a SSL certificate. The name was easy and the certificate was alright, just a little slower to get because of my own stupidity. After various attempts doing incorrect things between Emby settings and port forwarding, I got the .pfx file linked in Emby, the domain name listed, and all the ports set up correctly.
I went to test it by doing a complete new install of the Emby app on my android phone - entered my new HTTPS ad