Port 5353
In live entertainment systems, port 5353 is used by mDNS / DNS-SD, NDI.
udp/5353
mDNS / DNS-SD — mDNS
Multicast DNS and DNS Service Discovery: how devices on a local network announce and find each other with no DNS server and no configuration. Dante, NDI, NMOS, OSC discovery and half the show network depends on it working.
udp/5353
NDI — mDNS discovery
Vizrt's video-over-IP protocol carrying compressed video, audio and metadata between applications and devices on an ordinary ethernet LAN. It is how graphics machines, capture software, PTZ cameras and switchers move pictures around a venue without pulling SDI.
Check it from the command line
npx showstack port 5353
Not what you were looking for?
If you know something else uses port 5353, tell us. Adding it is one file.