2 entries are registered on port 3527. 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
2 of 2 iana-registered
| port | service | proto | category | risk | views |
|---|---|---|---|---|---|
| :3527 | MSMQ | UDP | Network Services | caution | 7.3k |
| :3527 | Veritas Backup Exec Server | TCPUDP | System | safe | 0 |
Microsoft Message Queuing (MSMQ) is a messaging protocol developed by Microsoft that enables applications running on separate servers and processes to communicate in a fail-safe manner. By utilizing message queues, MSMQ facilitates reliable asynchronous communication between distributed applications, allowing messages to be sent even if the receiving application is not immediately available.
port 3527 as MSMQ →Veritas Backup Exec Server communications and message-queue traffic on TCP and UDP port 3527.
port 3527 as Veritas Backup Exec Server →The registry says what 3527 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 ':3527\b'lsof -nP -iTCP:3527 -sTCP:LISTENnetstat -ano | findstr :3527On 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 3527 — 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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