CyberHunter
Local dataset, no network
// Other services

Port 2183: Code Green configuration

Port 2183 is assigned by IANA to cgn-config (Code Green configuration).

2183

How cgn-config works

Other services
client:2183cgn-configresponse client:2183cgn-configresponse

The client sends a request to port 2183 and the cgn-config 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 2183 dangerous?

We have no specific security note for port 2183. 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 2183

ServicePortTransportDescriptionReferenceUpdated
cgn-config 2183 TCP, UDP Code Green configuration - 2005-08

// source: IANA service name and port number registry

03 Check it

Which program uses port 2183, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2183'      # process listening on 2183
sudo lsof -nP -i :2183

macOS

sudo lsof -nP -i :2183

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2183 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2183
netstat -ano | findstr :2183

From another machine

nmap -p 2183 -sV <host>
sudo nmap -sU -p 2183 <host>
nc -zv <host> 2183

Block it in the firewall

sudo ufw deny 2183/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2183" -Direction Inbound -LocalPort 2183 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2183 used for?

Port 2183 is assigned by IANA to cgn-config (Code Green configuration).

Is port 2183 TCP or UDP?

Port 2183 is registered for TCP and UDP.

Is it safe to open port 2183?

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 2183 is open?

On Linux run "ss -ltnup 'sport = :2183'", on macOS "lsof -nP -i :2183", and on Windows "netstat -ano | findstr :2183" to see the local process. From another machine, "nmap -p 2183 <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

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