2 entries are registered on port 5678. 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 |
|---|---|---|---|---|---|
| :5678 | Mikrotik MNDP | UDP | Network Services | caution | 24.7k |
| :5678 | Remote Replication Agent Connection | TCPUDP | System | safe | 0 |
The MikroTik Neighbor Discovery Protocol (MNDP) enables MikroTik RouterOS devices to detect and share information with nearby MikroTik routers on the same network segment. It facilitates device management by providing insights about device identities, IP details, and network topology, making administration straightforward for network operators.
port 5678 as Mikrotik MNDP →Port 5678 is assigned to Remote Replication Agent Connection traffic over TCP and UDP.
port 5678 as Remote Replication Agent Connection →The registry says what 5678 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 ':5678\b'lsof -nP -iTCP:5678 -sTCP:LISTENnetstat -ano | findstr :5678On 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 5678 — 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