CyberHunter
LinkedIn profile - Bastien Cordier Email: contact@bastiencordier.pro
// Other services

Port 4052: VoiceConnect Interact

Port 4052 is assigned by IANA to interact (VoiceConnect Interact).

4052

How interact works

Other services
client:4052interactresponse client:4052interactresponse

The client sends a request to port 4052 and the interact service answers.

Transport
TCP · UDP
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 4052 dangerous?

We have no specific security note for port 4052. 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 4052

ServicePortTransportDescriptionReferenceUpdated
interact 4052 TCP, UDP VoiceConnect Interact - 2006-07

// source: IANA service name and port number registry

03 Check it

Which program uses port 4052, and is it reachable?

Linux

sudo ss -ltnup 'sport = :4052'      # process listening on 4052
sudo lsof -nP -i :4052

macOS

sudo lsof -nP -i :4052

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 4052 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 4052
netstat -ano | findstr :4052

From another machine

nmap -p 4052 -sV <host>
sudo nmap -sU -p 4052 <host>
nc -zv <host> 4052

Block it in the firewall

sudo ufw deny 4052/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 4052" -Direction Inbound -LocalPort 4052 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 4052 used for?

Port 4052 is assigned by IANA to interact (VoiceConnect Interact).

Is port 4052 TCP or UDP?

Port 4052 is registered for TCP and UDP.

Is it safe to open port 4052?

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 4052 is open?

On Linux run "ss -ltnup 'sport = :4052'", on macOS "lsof -nP -i :4052", and on Windows "netstat -ano | findstr :4052" to see the local process. From another machine, "nmap -p 4052 <host>" shows whether it is reachable.

05 Related
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp

Latest vulnerability news

All news