CyberHunter
// Other services

Port 5398: Elektron Administration

Port 5398 is assigned by IANA to elektron-admin (Elektron Administration).

5398

How elektron-admin works

Other services
client:5398elektron-adminresponse client:5398elektron-adminresponse

The client sends a request to port 5398 and the elektron-admin 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)
01 Security

Is port 5398 dangerous?

We have no specific security note for port 5398. 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 5398

ServicePortTransportDescriptionReferenceUpdated
elektron-admin 5398 TCP, UDP Elektron Administration - 2005-08

// source: IANA service name and port number registry

03 Check it

Which program uses port 5398, and is it reachable?

Linux

sudo ss -ltnup 'sport = :5398'      # process listening on 5398
sudo lsof -nP -i :5398

macOS

sudo lsof -nP -i :5398

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5398 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 5398
netstat -ano | findstr :5398

From another machine

nmap -p 5398 -sV <host>
sudo nmap -sU -p 5398 <host>
nc -zv <host> 5398

Block it in the firewall

sudo ufw deny 5398/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 5398" -Direction Inbound -LocalPort 5398 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 5398 used for?

Port 5398 is assigned by IANA to elektron-admin (Elektron Administration).

Is port 5398 TCP or UDP?

Port 5398 is registered for TCP and UDP.

Is it safe to open port 5398?

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 5398 is open?

On Linux run "ss -ltnup 'sport = :5398'", on macOS "lsof -nP -i :5398", and on Windows "netstat -ano | findstr :5398" to see the local process. From another machine, "nmap -p 5398 <host>" shows whether it is reachable.

05 Related