Port 2267: Unassigned — A Blank Slot in the Registry

Port 2267 has no assigned service. IANA has not allocated it to any protocol, and it has no widely documented unofficial use.

That is the complete official answer. What follows is context that makes it meaningful.

The Registered Port Range

Port 2267 sits in the registered port range: ports 1024 through 49151.¹

The registered range is a reservation system. Applications and protocol designers can formally register a port with IANA, claiming it for a specific service. Port 80 belongs to HTTP. Port 443 belongs to HTTPS. Port 22 belongs to SSH. These claims are registered, documented, and listed.

But the registered range contains 48,128 slots. Most of them are empty.

Port 2267 is one of the empties. No one has claimed it. No RFC governs it. No protocol was designed around it.

No Known Unofficial Uses

Some unassigned ports become de facto standards through common usage, even without formal registration. Port 8080 is widely used for HTTP development servers. Port 3000 is conventional for Node.js apps. Port 9200 belongs to Elasticsearch by convention, not by IANA assignment.

Port 2267 has none of this. It does not appear in common software defaults, firewall rulebooks, or security research as a port with a consistent informal identity.

Why Unassigned Ports Matter

Unassigned ports are not dead ports. They are available ports.

When a developer needs a port for a new service, an unassigned port is what they reach for. When a trojan or malware needs to hide, it often picks an obscure registered port, knowing that traffic on port 80 gets scrutinized while traffic on port 2267 might not. When a network scanner finds traffic on an unassigned port, that itself is a signal worth investigating.

If you see traffic on port 2267 on your network, something is using it — you just do not know what yet.

How to Check What Is Listening

On Linux or macOS:

# Show what process is listening on port 2267
ss -tlnp | grep 2267

# Or with lsof
lsof -i :2267

On Windows:

netstat -ano | findstr :2267

The output will include the process ID. From there, you can look up the process by name in Task Manager or with tasklist.

If nothing is listening, the port is simply closed — which is the expected state for an unassigned port on most systems.