Port 2486: Net Objects2 — A Registered Ghost

What Port 2486 Is

Port 2486 sits in the registered ports range (1024–49151). These ports are assigned by IANA upon application from software vendors or developers who want a reserved, recognized address for their service.

Port 2486 is assigned to Net Objects2 — listed in the IANA registry under the service name netobjects2, registered by Francois Granade.¹ This is a component of NetObjects Fusion, a WYSIWYG web design application that had its moment in the late 1990s and early 2000s before the web design software landscape moved on without it.²

NetObjects Fusion still technically exists, maintained by a small company. But port 2486 sees essentially no real-world traffic in modern networks. The reservation remains on the books; the software that claimed it is a relic.

What "Registered" Actually Means

Claiming a registered port costs nothing except the paperwork. IANA doesn't revoke assignments when software goes dormant, when companies fold, or when protocols fall out of use. The registry accumulates history.

This means a significant portion of the registered range is occupied by ghost registrations — ports that are officially spoken for but practically available. You can run whatever you want on port 2486 on your own systems. The IANA assignment creates no technical restriction, only a naming convention.

What You're Likely to Find There

If port 2486 is open on a machine you manage, it almost certainly isn't NetObjects Fusion. More likely candidates:

• Custom application or service that picked a port without checking for collisions
• Development server using a non-standard port to avoid conflicts with common services
• Malicious software — unassigned or obscure ports are sometimes chosen precisely because they don't trigger firewall rules tuned to well-known services

How to Check What's Listening

On Linux or macOS:

# Show what process is using port 2486
sudo ss -tlnp sport = :2486

# Alternative using lsof
sudo lsof -i :2486

On Windows:

netstat -ano | findstr :2486

Then match the PID to a process in Task Manager or with:

tasklist /fi "PID eq <PID>"

If something is listening there that you didn't put there, that's worth investigating.

Why These Ports Matter

The registered range exists to reduce collisions — so that two different applications don't independently choose the same port and conflict. In that sense, port 2486 being "taken" by Net Objects2 means a diligent developer in 1990-something checked the registry, didn't see a conflict, and reserved it properly.

What the system can't account for is entropy. Software ages out. Companies disappear. Protocols get abandoned. The registry doesn't forget. So port 2486 will remain officially Net Objects2's until someone files the paperwork to release it, which will likely never happen.

It's a small, quiet kind of permanence — a company's footprint outlasting the company itself, preserved in a text file that routers around the world technically defer to.