CyberHunter
Local dataset, no network
// Other services

Port 2824: CQG Net/LAN 1

Port 2824 is assigned by IANA to cqg-netlan-1 (CQG Net/LAN 1).

2824

How cqg-netlan-1 works

Other services
client:2824cqg-netlan-1response client:2824cqg-netlan-1response

The client sends a request to port 2824 and the cqg-netlan-1 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 2824 dangerous?

We have no specific security note for port 2824. 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 2824

ServicePortTransportDescriptionReferenceUpdated
cqg-netlan-1 2824 TCP, UDP CQG Net/LAN 1 - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2824, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2824'      # process listening on 2824
sudo lsof -nP -i :2824

macOS

sudo lsof -nP -i :2824

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2824 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2824
netstat -ano | findstr :2824

From another machine

nmap -p 2824 -sV <host>
sudo nmap -sU -p 2824 <host>
nc -zv <host> 2824

Block it in the firewall

sudo ufw deny 2824/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2824" -Direction Inbound -LocalPort 2824 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2824 used for?

Port 2824 is assigned by IANA to cqg-netlan-1 (CQG Net/LAN 1).

Is port 2824 TCP or UDP?

Port 2824 is registered for TCP and UDP.

Is it safe to open port 2824?

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 2824 is open?

On Linux run "ss -ltnup 'sport = :2824'", on macOS "lsof -nP -i :2824", and on Windows "netstat -ano | findstr :2824" to see the local process. From another machine, "nmap -p 2824 <host>" shows whether it is reachable.

05 Related
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