I can't connect from WebOS Jellyfin

[walmer]

Which reverse proxy does that use?

I'm new to self-hosting, so I'm not very familiar with how the implementation or configuration of a reverse proxy works. When you ask 'Which reverse proxy does that use?', are you asking which application I use to set up the reverse proxy, such as Nginx? In this case, the Cosmos Server has a built-in reverse proxy. I can look into whether it uses any specific application, but I believe it was developed as its own integrated reverse proxy within the Cosmos Server. I've included an image of the configuration related to how the containers communicate internally, i'm not sure if this is related to the reverse proxy:

   

I'm really new to this subject. In this case, would you need any specific information about a reverse proxy configuration on the Cosmos Server?