2 entries are registered on port 28000. 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 |
|---|---|---|---|---|---|
| :28000 | Bitfighter Server | Gaming | caution | 6.2k | |
| :28000 | NX License Manager | TCPUDP | Network Services | caution | 0 |
Port 28000 is commonly used as the default communication port for Bitfighter servers. Bitfighter is an open-source 2D multiplayer space combat game that supports custom server hosting, allowing players to connect over the internet or LAN. Server operators typically set up private or public matches on this port to facilitate gameplay and community interactions.
port 28000 as Bitfighter Server →Used by Siemens NX floating-license servers, typically through FlexNet Publisher; keep the license service on a trusted network.
port 28000 as NX License Manager →The registry says what 28000 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 ':28000\b'lsof -nP -iTCP:28000 -sTCP:LISTENnetstat -ano | findstr :28000On 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 28000 — 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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