2 entries are registered on port 6600. 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.
services registered on this number
1 transport in use
entries encrypted on the wire
1 of 2 iana-registered
| port | service | proto | category | risk | views |
|---|---|---|---|---|---|
| :6600 | Music Player Daemon | TCP | Streaming | caution | 7.1k |
| :6600 | Microsoft Hyper-V Live Migration | TCP | System | risk | 0 |
Music Player Daemon (MPD) is a flexible and open-source server-side music player that allows users to manage and stream music collections remotely. It supports a wide range of audio formats and integrates with various client applications, making it a popular choice for headless music server deployments. MPD operates over TCP on port 6600, enabling seamless network control from compatible clients.
port 6600 as Music Player Daemon →TCP 6600 carries live migration traffic between Microsoft Hyper-V hosts.
port 6600 as Microsoft Hyper-V Live Migration →The registry says what 6600 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.
ss -ltnp | grep ':6600\b'lsof -nP -iTCP:6600 -sTCP:LISTENnetstat -ano | findstr :6600On 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 6600 — what you actually met is decided by the host, not the registry. If a service is missing here, it belongs in the registry.
contribute an entry