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// Other services

Port 2454: IndX-DDS

Port 2454 is assigned by IANA to indx-dds (IndX-DDS).

2454

How indx-dds works

Other services
client:2454indx-ddsresponse client:2454indx-ddsresponse

The client sends a request to port 2454 and the indx-dds 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 2454 dangerous?

We have no specific security note for port 2454. 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 2454

ServicePortTransportDescriptionReferenceUpdated
indx-dds 2454 TCP, UDP IndX-DDS - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2454, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2454'      # process listening on 2454
sudo lsof -nP -i :2454

macOS

sudo lsof -nP -i :2454

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2454 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2454
netstat -ano | findstr :2454

From another machine

nmap -p 2454 -sV <host>
sudo nmap -sU -p 2454 <host>
nc -zv <host> 2454

Block it in the firewall

sudo ufw deny 2454/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2454" -Direction Inbound -LocalPort 2454 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2454 used for?

Port 2454 is assigned by IANA to indx-dds (IndX-DDS).

Is port 2454 TCP or UDP?

Port 2454 is registered for TCP and UDP.

Is it safe to open port 2454?

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 2454 is open?

On Linux run "ss -ltnup 'sport = :2454'", on macOS "lsof -nP -i :2454", and on Windows "netstat -ano | findstr :2454" to see the local process. From another machine, "nmap -p 2454 <host>" shows whether it is reachable.

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