CyberHunter
Local dataset, no network
// Other services

Port 4074: Cequint City ID UI trigger

Port 4074 is assigned by IANA to cequint-cityid (Cequint City ID UI trigger).

4074

How cequint-cityid works

Other services
client:4074cequint-cityidresponse client:4074cequint-cityidresponse

The client sends a request to port 4074 and the cequint-cityid 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 4074 dangerous?

We have no specific security note for port 4074. 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 4074

ServicePortTransportDescriptionReferenceUpdated
cequint-cityid 4074 TCP, UDP Cequint City ID UI trigger - 2007-08-20

// source: IANA service name and port number registry

03 Check it

Which program uses port 4074, and is it reachable?

Linux

sudo ss -ltnup 'sport = :4074'      # process listening on 4074
sudo lsof -nP -i :4074

macOS

sudo lsof -nP -i :4074

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 4074 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 4074
netstat -ano | findstr :4074

From another machine

nmap -p 4074 -sV <host>
sudo nmap -sU -p 4074 <host>
nc -zv <host> 4074

Block it in the firewall

sudo ufw deny 4074/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 4074" -Direction Inbound -LocalPort 4074 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 4074 used for?

Port 4074 is assigned by IANA to cequint-cityid (Cequint City ID UI trigger).

Is port 4074 TCP or UDP?

Port 4074 is registered for TCP and UDP.

Is it safe to open port 4074?

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 4074 is open?

On Linux run "ss -ltnup 'sport = :4074'", on macOS "lsof -nP -i :4074", and on Windows "netstat -ano | findstr :4074" to see the local process. From another machine, "nmap -p 4074 <host>" shows whether it is reachable.

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