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// Other services

Port 4409: Net-Cabinet comunication

Port 4409 is assigned by IANA to netcabinet-com (Net-Cabinet comunication).

4409

How netcabinet-com works

Other services
client:4409netcabinet-comresponse client:4409netcabinet-comresponse

The client sends a request to port 4409 and the netcabinet-com service answers.

Transport
TCP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned1 registered service
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 4409 dangerous?

We have no specific security note for port 4409. Its risk depends on the program actually listening on it. General advice for other services services:

  • Close the port if nothing on the host needs it.
  • Identify the process that listens on it (commands below) before opening it in a firewall.
  • Expose a service only to the networks that use it.
02 Registry

IANA registry entries for port 4409

ServicePortTransportDescriptionReferenceUpdated
netcabinet-com 4409 TCP Net-Cabinet comunication - 2009-12-16
-4409-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 4409, and is it reachable?

Linux

sudo ss -ltnup 'sport = :4409'      # process listening on 4409
sudo lsof -nP -i :4409

macOS

sudo lsof -nP -i :4409

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 4409 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 4409
netstat -ano | findstr :4409

From another machine

nmap -p 4409 -sV <host>
nc -zv <host> 4409

Block it in the firewall

sudo ufw deny 4409/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 4409" -Direction Inbound -LocalPort 4409 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 4409 used for?

Port 4409 is assigned by IANA to netcabinet-com (Net-Cabinet comunication).

Is port 4409 TCP or UDP?

Port 4409 is registered for TCP.

Is it safe to open port 4409?

It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.

How do I check if port 4409 is open?

On Linux run "ss -ltnup 'sport = :4409'", on macOS "lsof -nP -i :4409", and on Windows "netstat -ano | findstr :4409" to see the local process. From another machine, "nmap -p 4409 <host>" shows whether it is reachable.

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