Port 2239Image Query

Image Query service assigned to TCP and UDP port 2239.

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

Technical Details

what runs on :2239

Image Query is registered on port :2239 over tcp and udp to Charles Jacobs. 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 :2239

this machine

# linux
sudo ss -tulpn 'sport = :2239'

# macos / bsd
sudo lsof -nP -i :2239

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :2239

another host

nmap -sV -p T:2239 <host>
sudo nmap -sU -sV -p U:2239 <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 :2239

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 :2239 yet

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

Record

iana registry entry

port: :2239
service: Image Query
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: Image Query is the IANA-registered service assigned to TCP and UDP port 2239. The assignment is registered to Charles Jacobs, with no registration date or additional notes recorded.
lookups: 0rank 993
added: 2026-09-02
updated: 2026-09-02
references: IANA service name registry — port 2239

Something wrong?

This record is maintained by the engineers who use port 2239. 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 2026-09-02.

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 :2239, by lookups.

port	service	proto	category	risk	views
:2222	DirectAdmin & ESET Remote Admin	TCP	Web Services	caution	21.6k
:2210	MikroTik Dude Remote Management	TCP	Remote Access	caution	13.6k
:2211	MikroTik Dude Secure Management	TCP	Security	caution	12.9k
:2210	NOAAPORT Broadcast	TCPUDP	Network Services	caution	11.4k
:2302	ArmA Multiplayer	UDP	Gaming	caution	10.4k
:2181	EForward Document Transport	TCPUDP	File Transfer	caution	10.4k
:2302	Halo CE Multiplayer	UDP	Gaming	caution	10.1k
:2303	ArmA Multiplayer Server Reporting	UDP	Gaming	caution	9.8k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :2239Image Query

Technical Details

Security Information

Related Ports

Port 2239Image Query