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Reverse-proxy for linuxserver/jellyfin docker image (lemmy.dbzer0.com)

submitted 9 months ago by [email protected] to c/[email protected]

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Hello everyone, I have another question regarding reverse-proxying again, specifically for the linuxserver.io jellyfin image.

On the dockerhub page for this image there are 4 ports listed which should be exposed:

8096 for the HTTP Web UI
8920 for the HTTPS Web UI
7359/udp for autodiscovery of jellyfin from clients
1900/udp for service discovery from DLNA and clients

Additionally there is also an environment variable JELLYFIN_PublishedServerUrl which is for "Setting the autodiscovery response domain or IP address". I currently have that set to my subdomain https://jellyfin.mydomain.com though I am not sure if that is correct.

I already have a reverse-proxy set up allowing me to access my servers webinterface under https://jellyfin.mydomain.com without exposing the https port on the container. What I am unsure about now however, is what to do with the two ports for UDP traffic.

By my understanding, a reverse-proxy will only forward traffic which comes to the ports 80 for http and 443 for https. Those are also the only ports my reverse-proxy container has exposed alongside the management interface. As such the 2 udp ports will not be reachable under my jellyfin domain.

How can I change this or is this even an issue?

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[–] [email protected] 3 points 9 months ago

I believe the UDP ports are for discovery on your local network so no need to handle them with your reverse proxy. If you've got them passed through docker your local devices should pick them up.

They're also not required since you can always just enter the address manually. I don't bother passing them into my container.