difference between nginx and ddns service

[Drake97]

Yes.  You have to configure connections on 443 to get proxied to jellyfin port 8096.  If your config resembles your earlier config, that hasn't been done.

https://jellyfin.org/docs/general/networ...ig-example

yep, this is my jellyfin file, I changed my ddns server to MY_DOMAIN so as not to expose it to other people

https://pastebin.com/kZ4cgcDW