Network ports
What to open, and why.
| Port | Direction | What it is for |
|---|---|---|
| UDP 50000–50002 | Inbound | Pro DJ Link — Pioneer deck announcement and state |
| UDP 10670 | Inbound | The grandMA3 console announcement beacon |
| TCP 29971 | Inbound | The service door: this is where the Traktor probe pushes |
| UDP 29972 | Inbound | Traktor probe discovery |
| TCP 29970 | Local | The machine’s own interface — 127.0.0.1 only, it never leaves the machine |