Port 4004pxc-roid

IANA-assigned pxc-roid service on TCP/UDP port 4004; no public protocol or registrant is documented.

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

Technical Details

what runs on :4004

no technical write-up for :4004 yet

the handshake, the implementations you meet in the wild, the flags that matter. we have the registry entry — the detail comes from the engineers who run it.

add technical details

Security Information

exposure of :4004

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 :4004 yet

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

Record

iana registry entry

port: :4004
service: pxc-roid
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: The IANA registry assigns TCP and UDP port 4004 to pxc-roid, but records no registrant or additional usage details. There is no reliable public information identifying software that normally listens here.
lookups: 0rank 994
added: 2026-09-08
updated: 2026-09-08
references: IANA service name registry — port 4004

Something wrong?

This record is maintained by the engineers who use port 4004. 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 2026-09-08.

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 :4004, by lookups.

port	service	proto	category	risk	views
:3978	OpenTTD Master Server	TCPUDP	Gaming	caution	12.5k
:3999	Norman Scanning Service	TCPUDP	Security	caution	9.9k
:4007	PrintBuzzer Socket Server	TCP	Network Services	caution	8.2k
:4001	Microsoft Ants	TCP	Gaming	caution	7.7k
:3945	EMCADS	TCPUDP	Security	caution	7.6k
:4018	Protocol Info & Warnings	TCPUDP	Network Services	caution	6.7k
:3979	OpenTTD	TCPUDP	Gaming	caution	4.4k
:4000	Diablo II	TCPUDP	Gaming	caution	4.3k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :4004pxc-roid

Technical Details

Security Information

Related Ports

Port 4004pxc-roid