01Viscount Freedom Bridge Discoveryudp · iana-registered · risk 1/10
UDP port 6678 is assigned to Viscount Freedom Bridge Discovery.
port 6678 as Viscount Freedom Bridge Discovery →Port 66782 services
2 entries are registered on port 6678. It is a registered port (1024–49151) — IANA records an assignee, but nothing stops other software from listening here, which is why the number carries more than one entry.
- entries
- 2
- transport
- udp · tcp
- in transit
- 0/2
- worst risk
- 1/10
services registered on this number
2 transports in use
entries encrypted on the wire
2 of 2 iana-registered
Services on this port
| port | service | risk | |||
|---|---|---|---|---|---|
| :6678 | Viscount Freedom Bridge Discovery | UDP | Network Services | safe | 0 |
| :6678 | Viscount Freedom Bridge Protocol | TCP | — | safe | 0 |
02Viscount Freedom Bridge Protocoltcp · iana-registered · risk 1/10
TCP port 6678 is assigned to the Viscount Freedom Bridge Protocol, registered to Chris MacDonald.
port 6678 as Viscount Freedom Bridge Protocol →filed underNetwork Services
Which one is on your host
The registry says what 6678 is registered to. What is listening on it right now is decided by the host, and only the host can be asked. Each of these prints the process behind the socket.
- linux
ss -ltnp | grep ':6678\b'- macos
lsof -nP -iTCP:6678 -sTCP:LISTEN- windows
netstat -ano | findstr :6678
On Linux and Windows the process name comes back with the socket; on macOS lsof needs sudo to name a process that isn't yours. Match what it prints against the 2 entries above.
A port number is not a service. Anything may listen on 6678 — what you actually met is decided by the host, not the registry. If a service is missing here, it belongs in the registry.
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