2 entries are registered on port 4125. 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 |
|---|---|---|---|---|---|
| :4125 | Remote Web Workplace | TCP | Web Services | caution | 20.5k |
| :4125 | Opsview Envoy | TCPUDP | Network Services | safe | 0 |
Remote Web Workplace (RWW) is a Microsoft web-based portal enabling remote access for administrators and users to internal resources such as desktops, email, and file shares. Typically integrated with Windows Small Business Server, it provides a central, browser-based interface designed to simplify connectivity and management tasks for offsite personnel.
port 4125 as Remote Web Workplace →TCP and UDP port 4125 is assigned to Opsview Envoy, an Opsview-related service.
port 4125 as Opsview Envoy →The registry says what 4125 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 ':4125\b'lsof -nP -iTCP:4125 -sTCP:LISTENnetstat -ano | findstr :4125On 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 4125 — 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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