2 entries are registered on port 8002. 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 |
|---|---|---|---|---|---|
| :8002 | CUCM Intercluster | TCP | Network Services | caution | 10.6k |
| :8002 | Teradata ORDBMS | TCPUDP | Databases | safe | 0 |
Port 8002 is used by Cisco Unified Communications Manager (CUCM) for intercluster communication, facilitating seamless voice and call control information exchange between different CUCM clusters deployed within an organization.
port 8002 as CUCM Intercluster →Port assigned to the Teradata object-relational database management service.
port 8002 as Teradata ORDBMS →The registry says what 8002 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 ':8002\b'lsof -nP -iTCP:8002 -sTCP:LISTENnetstat -ano | findstr :8002On 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 8002 — 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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