Can you access your Plex server when connected to an external network via app.plex.tv? Try a test using a mobile device which is disconnected from your local wifi network.
Try some of the investigative and troubleshooting steps in this thread.
Can you access your Plex server when connected to an external network via app.plex.tv? Try a test using a mobile device which is disconnected from your local wifi network.
Try some of the investigative and troubleshooting steps in this thread.