Port 3333DEC Notes

DEC Notes is assigned to TCP and UDP port 3333.

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

1 other service is registered on port 3333. compare all 2 →

Technical Details

what runs on :3333

no technical write-up for :3333 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 :3333

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 :3333 yet

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

Record

iana registry entry

port: :3333
service: DEC Notes
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: TCP and UDP port 3333 is assigned to the DEC Notes service. IANA lists Kim Moraros as the registrant, and the service is rarely observed open on the public internet.
lookups: 0rank 994
added: 2026-08-22
updated: 2026-08-22
references: IANA service name registry — port 3333

Something wrong?

This record is maintained by the engineers who use port 3333. 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 2026-08-22.

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 :3333, by lookups.

port	service	proto	category	risk	views
:3269	Microsoft Global Catalog SSL	TCPUDPtls	Security	caution	26.4k
:3283	Apple Remote Desktop Reporting	TCP	Remote Access	caution	26.0k
:3386	GTP (GPRS Tunneling Protocol)	TCPUDP	Network Services	caution	16.7k
:3389	Microsoft RDP	TCPUDP	Remote Access	caution	16.3k
:3299	SAP Router	TCPtls	Network Services	caution	13.8k
:3306	MySQL	TCPUDP	Databases	caution	13.6k
:3333	Network Caller ID	TCP	Network Services	caution	10.1k
:3300	Debate Gopher DB	TCPUDP	Databases	caution	7.6k

risk mix of the 8 listed

caution100%

2 of 8 encrypted

Port :3333DEC Notes

Technical Details

Security Information

Related Ports

Port 3333DEC Notes