2 entries are registered on port 1200. 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
2 transports in use
entries encrypted on the wire
1 of 2 iana-registered
| port | service | proto | category | risk | views |
|---|---|---|---|---|---|
| :1200 | SCOL Name Service | TCP | Network Services | caution | 15.5k |
| :1200 | Steam Friends Applet | UDP | Gaming | caution | 13.0k |
Port 1200 is primarily utilized by the SCOL 3D virtual worlds platform for world name resolution services, enabling clients to discover and connect to 3D virtual environments. It acts as a directory service that facilitates interactions within SCOL's interactive and immersive spaces.
port 1200 as SCOL Name Service →Steam Friends Applet is a communication component used by the Steam gaming platform. It facilitates the management of friends lists, status notifications, in-game chat, and related community features. The applet primarily relies on UDP traffic to maintain real-time responsiveness necessary for gaming and social interactions. Designed to enhance the multiplayer and social experience within Steam, it contributes to user connectivity and engagement within the platform.
port 1200 as Steam Friends Applet →The registry says what 1200 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 ':1200\b'lsof -nP -iTCP:1200 -sTCP:LISTENnetstat -ano | findstr :1200On 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 1200 — 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