CyberHunter
Local dataset, no network
// Other services

Port 2496: DIRGIS

Port 2496 is assigned by IANA to dirgis (DIRGIS).

2496

How dirgis works

Other services
client:2496dirgisresponse client:2496dirgisresponse

The client sends a request to port 2496 and the dirgis 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 2496 dangerous?

We have no specific security note for port 2496. 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 2496

ServicePortTransportDescriptionReferenceUpdated
dirgis 2496 TCP, UDP DIRGIS - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2496, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2496'      # process listening on 2496
sudo lsof -nP -i :2496

macOS

sudo lsof -nP -i :2496

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2496 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2496
netstat -ano | findstr :2496

From another machine

nmap -p 2496 -sV <host>
sudo nmap -sU -p 2496 <host>
nc -zv <host> 2496

Block it in the firewall

sudo ufw deny 2496/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2496" -Direction Inbound -LocalPort 2496 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2496 used for?

Port 2496 is assigned by IANA to dirgis (DIRGIS).

Is port 2496 TCP or UDP?

Port 2496 is registered for TCP and UDP.

Is it safe to open port 2496?

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 2496 is open?

On Linux run "ss -ltnup 'sport = :2496'", on macOS "lsof -nP -i :2496", and on Windows "netstat -ano | findstr :2496" to see the local process. From another machine, "nmap -p 2496 <host>" shows whether it is reachable.

05 Related
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