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// Other services

Port 6583: JOA Jewel Suite

Port 6583 is assigned by IANA to joaJewelSuite (JOA Jewel Suite).

6583

How joaJewelSuite works

Other services
client:6583joaJewelSuiteresponse client:6583joaJewelSuiteresponse

The client sends a request to port 6583 and the joaJewelSuite 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 6583 dangerous?

We have no specific security note for port 6583. 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 6583

ServicePortTransportDescriptionReferenceUpdated
joaJewelSuite 6583 TCP, UDP JOA Jewel Suite - 2005-11

// source: IANA service name and port number registry

03 Check it

Which program uses port 6583, and is it reachable?

Linux

sudo ss -ltnup 'sport = :6583'      # process listening on 6583
sudo lsof -nP -i :6583

macOS

sudo lsof -nP -i :6583

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 6583 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 6583
netstat -ano | findstr :6583

From another machine

nmap -p 6583 -sV <host>
sudo nmap -sU -p 6583 <host>
nc -zv <host> 6583

Block it in the firewall

sudo ufw deny 6583/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 6583" -Direction Inbound -LocalPort 6583 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 6583 used for?

Port 6583 is assigned by IANA to joaJewelSuite (JOA Jewel Suite).

Is port 6583 TCP or UDP?

Port 6583 is registered for TCP and UDP.

Is it safe to open port 6583?

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 6583 is open?

On Linux run "ss -ltnup 'sport = :6583'", on macOS "lsof -nP -i :6583", and on Windows "netstat -ano | findstr :6583" to see the local process. From another machine, "nmap -p 6583 <host>" shows whether it is reachable.

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