Port 6583JOA Jewel Suite

Port assigned to JOA Jewel Suite, an obscure service registered to Bob Rundle.

transport: tcp · udp
in transit: cleartext
assignment: official
risk: 1/10
lookups: 0

Technical Details

what runs on :6583

JOA Jewel Suite is registered on port :6583 over tcp and udp to Bob Rundle, assigned November 2005. We don't have a technical write-up for it beyond the IANA registry entry.

In nmap's internet-wide scan data this port is found open rarely. What's listening is often not the registered service, so check before you assume.

find what's listening on :6583

this machine

# linux
sudo ss -tulpn 'sport = :6583'

# macos / bsd
sudo lsof -nP -i :6583

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :6583

another host

nmap -sV -p T:6583 <host>
sudo nmap -sU -sV -p U:6583 <host>

run it? the handshake, the implementations you meet in the wild and the flags that matter come from the engineers who do.

add technical details

Security Information

exposure of :6583

risk score

1/ 10safe

routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.

in transit

cleartext

credentials and payloads are readable by anyone on path

assignment

official

registered with iana for this service — scanners fingerprint it by number

reachable over

tcp · udp

udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite

security overview

no security notes recorded for :6583 yet

known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.

Record

iana registry entry

port: :6583
service: JOA Jewel Suite
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: TCP and UDP port 6583 is assigned to JOA Jewel Suite. The assignment was registered to Bob Rundle in 2005; public details about the software and deployment context are limited.
lookups: 0rank 993
added: 2026-09-07
updated: 2026-09-07
references: IANA service name registry — port 6583

Something wrong?

This record is maintained by the engineers who use port 6583. Every field on it is editable — change what's wrong, say how you know, and a reviewer publishes it, usually within a minute. Last touched 2026-09-07.

01edit any field on a page of its own
02a model checks it for accuracy and spam
03clean and confident goes live immediately

edit this record →back to the registry

Related Ports

browse categories →

ports registered around :6583, by lookups.

port	service	proto	category	risk	views
:6543	Jetnet	UDP	Network Services	caution	65.3k
:6619	Odette FTPS	TCPUDPtls	Security	caution	16.0k
:6646	McAfee Agent Discovery	UDP	Security	caution	15.8k
:6571	Windows Live FolderShare		File Transfer	caution	11.2k
:6522	Gobby Collaboration	TCP	Remote Access	caution	10.5k
:6523	Gobby Collaborative Editing	TCP	Network Services	caution	10.4k
:6566	SANE Scanner Daemon	TCP	Network Services	caution	7.3k
:6600	Music Player Daemon	TCP	Streaming	caution	7.1k

risk mix of the 8 listed

caution100%

1 of 8 encrypted

Port :6583JOA Jewel Suite

Technical Details

Security Information

Related Ports

Port 6583JOA Jewel Suite