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Obsfucation can help stimey scripts. I saw using a non-standard port mentioned.
You can also setup a reverse proxy to deliver a different, empty site to a different dns entry by default. Use either a completely separate (as opposed to multidomain) cert for each, or a wildcard cert.
Jellyfin also supports using a custom path, instead of delivering at the root. Your reverse proxy would need to be configured accordingly.
Are knowing nods acceptable?