I am having pretty much the same issue. I had Plex working fine, then the other day, my Plex client on a Fire TV only showed content from the web, & nothing off the server. When I tried to use a web browser using the url http://192.168.1.1:32400/web/index.html#, it would not connect. I logged into the server, & the Plex server was not running, & would not start, so I rebooted the server, & now the Plex server is running, but still no connecting from the web browser or, the Plex client. What could be wrong? The Plex page in the ClearOS gui is set to allow all clients from the LAN.

Thanks