CyberHunter
// Other services

Port 4332: Getty Images FOCUS service

Port 4332 is assigned by IANA to getty-focus (Getty Images FOCUS service).

4332

How getty-focus works

Other services
client:4332getty-focusresponse client:4332getty-focusresponse

The client sends a request to port 4332 and the getty-focus 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)
01 Security

Is port 4332 dangerous?

We have no specific security note for port 4332. 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 4332

ServicePortTransportDescriptionReferenceUpdated
getty-focus 4332 TCP Getty Images FOCUS service - 2019-04-18
-4332-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 4332, and is it reachable?

Linux

sudo ss -ltnup 'sport = :4332'      # process listening on 4332
sudo lsof -nP -i :4332

macOS

sudo lsof -nP -i :4332

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 4332 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 4332
netstat -ano | findstr :4332

From another machine

nmap -p 4332 -sV <host>
nc -zv <host> 4332

Block it in the firewall

sudo ufw deny 4332/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 4332" -Direction Inbound -LocalPort 4332 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 4332 used for?

Port 4332 is assigned by IANA to getty-focus (Getty Images FOCUS service).

Is port 4332 TCP or UDP?

Port 4332 is registered for TCP.

Is it safe to open port 4332?

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 4332 is open?

On Linux run "ss -ltnup 'sport = :4332'", on macOS "lsof -nP -i :4332", and on Windows "netstat -ano | findstr :4332" to see the local process. From another machine, "nmap -p 4332 <host>" shows whether it is reachable.

05 Related