Overview The devices need to access network resources to work with ZED Hub. Devices communications Protocol Port Usage Comments TCP 443 HTTPS requests TCP 8883 MQTT TCP 8444 MQTT Secured Websocket TCP 8090 WebRTC Signaling server TCP 3478 WebRTC TURN/STUN server UDP 0-65535 WebRTC P2P connection Client-dependant 8554 RTSP Stream Optionnal When working with a private cloud, these values can change. Contact your adminsistrator.