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// Other services

Port 5409: Salient Data Server

Port 5409 is assigned by IANA to salient-dtasrv (Salient Data Server).

5409

How salient-dtasrv works

Other services
client:5409salient-dtasrvresponse client:5409salient-dtasrvresponse

The client sends a request to port 5409 and the salient-dtasrv 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 5409 dangerous?

We have no specific security note for port 5409. 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 5409

ServicePortTransportDescriptionReferenceUpdated
salient-dtasrv 5409 TCP, UDP Salient Data Server - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 5409, and is it reachable?

Linux

sudo ss -ltnup 'sport = :5409'      # process listening on 5409
sudo lsof -nP -i :5409

macOS

sudo lsof -nP -i :5409

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5409 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 5409
netstat -ano | findstr :5409

From another machine

nmap -p 5409 -sV <host>
sudo nmap -sU -p 5409 <host>
nc -zv <host> 5409

Block it in the firewall

sudo ufw deny 5409/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 5409" -Direction Inbound -LocalPort 5409 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 5409 used for?

Port 5409 is assigned by IANA to salient-dtasrv (Salient Data Server).

Is port 5409 TCP or UDP?

Port 5409 is registered for TCP and UDP.

Is it safe to open port 5409?

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 5409 is open?

On Linux run "ss -ltnup 'sport = :5409'", on macOS "lsof -nP -i :5409", and on Windows "netstat -ano | findstr :5409" to see the local process. From another machine, "nmap -p 5409 <host>" shows whether it is reachable.

05 Related
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