Port 1479: Unassigned — One of thousands of empty rooms

Port 1479 has no official tenant. It exists, it's available, but no protocol or service has registered it with IANA (the Internet Assigned Numbers Authority).

What range is this?

Port 1479 falls in the registered ports range (1024-49151). These are ports where organizations can register specific services with IANA, but registration isn't required to use them.¹

Unlike well-known ports (0-1023) which require root privileges and are tightly controlled, registered ports are more democratic. Any application can use them. Most choose ports in this range precisely because they don't need special permissions.

What might be using it?

Because port 1479 is unassigned, literally anything could be using it:

• A custom application you wrote
• A game server
• An internal corporate tool
• A database you configured to listen here
• Nothing at all

Some port databases suggest it's been used for "Internet games or multimedia applications,"² but this is speculation based on observed traffic, not official assignment. The same databases note that malware has occasionally used this port,³ but that's true of almost any unassigned port—malware goes where it's convenient.

The honest answer: if something is using port 1479 on your system, you'll need to investigate what it is.

How to check what's listening

On Linux or macOS:

# See what's listening on port 1479
sudo lsof -i :1479

# Or using netstat
netstat -an | grep 1479

On Windows:

# See what's listening on port 1479
netstat -ano | findstr 1479

If you see output, something is using this port. The process ID (PID) will tell you what.

Why unassigned ports matter

The Internet has 65,535 possible ports. Only a few hundred have official assignments. The rest—like port 1479—exist as available space.

This is by design. When you write an application that needs network communication, you need ports to use. The unassigned registered range gives you thousands of options. You can pick one, configure your application to use it, and as long as nothing else on your system is using that port, you're good.

Port 1479 isn't special. It's not waiting for anything particular. It's just available space in a vast addressing system, ready to carry whatever traffic you send through it.

That's actually its purpose—to be there when needed, claimed by no one until someone needs it.