had the day off work today so I decided to write a small scanner that scans for plex servers.. I was able to log in a handful of servers with full control in under 30 minutes of my time :shock: I then was able to add there server to mine with small effort jfyi.. instead of using port 32400 it would be a good idea to choose another port. just saying!! have fun !!
Or don't run Plex...changing a port isn't going to provide much protection as you could just use a port scanner. Maybe Plex needs user authentication screens added in addition to specifying an IP.