Port 60202 — The Unassigned Port Carrying Xsan Traffic

What Port 60202 Is

Port 60202 is an unassigned port in the ephemeral/dynamic range (49152-65535). ¹ It has no official IANA registration, which means any application can use it without permission or coordination. If you see port 60202 in use, it's probably an application that needed a port number and picked one from the available pool.

The Range: Ephemeral Ports

Port 60202 belongs to the dynamic ports (also called private or ephemeral ports), which span from 49152 to 65535. ² Here's what that means:

• Not assigned by IANA — No official service claims these ports
• Temporary by design — Allocated when needed, freed when done
• Never registered — No central authority controls them
• Open for applications — Any software can use them without permission

When your operating system needs a port for an outgoing connection, it grabs one from this range. When the connection closes, the port becomes available again. It's ephemeral—here for a moment, then gone.

Unofficial Use: Xsan Filesystem Access

Port 60202 shows up in various port databases as being used by Xsan, Apple's Storage Area Network (SAN) technology. ³ Xsan enables shared storage access across networked systems. If you see this port active on a Mac in a professional media environment, it's likely Xsan filesystem communication.

But because port 60202 is unassigned, there's no guarantee. Another application might claim it. Xsan might not use it at all in your environment.

How to Check What's Listening

If you want to see what's actually using port 60202 on your system:

On macOS/Linux:

# Check what's listening on port 60202
lsof -i :60202
netstat -an | grep 60202
ss -tuln | grep 60202

On Windows:

netstat -ano | findstr :60202

These commands will show you the process ID and application name using the port, if anything is.

Why Unassigned Ports Matter

The genius of the ephemeral range is that it prevents port conflicts. If every application had to register and reserve a specific port number, we'd run out. Instead, this massive range (16,384 ports) acts as a commons: temporary, unnamed, available to all.

Port 60202 might carry Xsan filesystem traffic one day, a custom database application the next day, and sit completely idle the day after. That's not a bug—it's the design.

Related Ports

• Well-known ports (0-1023): Reserved by IANA for official services (HTTP, HTTPS, SSH, etc.)
• Registered ports (1024-49151): Applications can register for permanent assignments
• Dynamic/ephemeral ports (49152-65535): The free-for-all zone where port 60202 lives

The entire port number system is built on this three-tier hierarchy: official, registered, and temporary. Port 60202 is the democracy in action.