Plex only connects in host PC, rest of devices in the same network can't connect (LG TV, phones,etc)

Server Version#: plexmediaserver-1.32.8.7639-fb6452ebf.x86_64
OS: Fedora release 39 (Thirty Nine) (Sway Spin)

Getting either ‘unable to connect securely’ or ‘cant connect’ error from any device that isnt the host server (same network).

Things I have tried to no avail:

  • Set Allow Insecure Connections to Always on TV APP (LG WebOS)
  • Changing the server name
  • Removing server from account, and and then claiming it
  • Set Secure connections to preferred on localhost (http://127.0.0.1:32400/web/)
  • Uninstalling and reinstalling plex media server
  • Re-signing in (in both the host and the TV)
  • Rebooting PC and TV
  • Running ‘systemctl start plexmediaserver’ manually
  • Uninstalling and reinstalling plex app on TV
  • Opening port 32400 via firewlld-cmd

<If providing server logs please do NOT turn on verbose logging, only debug logging should be enabled>
Plex Media Server Logs_2023-12-15_14-13-53.zip (356.0 KB)

You don’t do secure connections on the loopback adapter (127.0.0.1)

Dec 15, 2023 14:12:58.547 [140511906040632] DEBUG - CERT: incomplete TLS handshake from [::ffff:127.0.0.1]:38048: sslv3 alert certificate unknown (SSL routines)

Your LAN is IPv4, you can turn off IPv6 support in Settings - Network - Show advanced.

The biggest thing I see in your logs is slow internet response.
It’s as if the server is connected to a busy WiFi

1 Like

Thank you so much for the reply! Turning off IPv6 support was the answer.

The biggest thing I see in your logs is slow internet response. It’s as if the server is connected to a busy WiFi

Weird, I have fiber and everything seems normal in cloudflare’s speedtest

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