Port 6000
In live entertainment systems, port 6000 is used by FreeD.
udp/6000
FreeD — Common default; the port is configurable per system
Camera tracking data protocol originally from Vinten, carrying pan, tilt, roll, position, zoom and focus. The de facto interchange format between a tracked camera and a render engine in virtual production and AR graphics.
Check it from the command line
npx showstack port 6000
Not what you were looking for?
If you know something else uses port 6000, tell us. Adding it is one file.