2 entries are registered on port 27000. 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
0 of 2 iana-registered
| port | service | proto | category | risk | views |
|---|---|---|---|---|---|
| :27000 | QuakeWorld Master Server | UDP | Gaming | caution | 11.2k |
| :27000 | FlexNet License Server | TCP | Network Services | caution | 11.0k |
Ports 27000 through 27006 are commonly used by id Software's QuakeWorld master servers to coordinate game servers and clients. These master servers facilitate player matchmaking, server browsing, and game coordination for Quake-based multiplayer gaming ecosystems.
port 27000 as QuakeWorld Master Server →Port 27000 is commonly associated with FlexNet Publisher, a software license management system used for controlling software usage across networks. It is part of a flexible port range (default usually 27000-27009) dedicated to managing license requests and coordination between client applications and license servers. This port facilitates communication that checks license availability, manages license check-in/check-out, and enforces licensing policies within organizational software deployments.
port 27000 as FlexNet License Server →The registry says what 27000 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 ':27000\b'lsof -nP -iTCP:27000 -sTCP:LISTENnetstat -ano | findstr :27000On 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 27000 — 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