Port 2149ACPTSYS

ACPTSYS is an IANA-registered TCP and UDP service assignment held by Michael Lekias.

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

Technical Details

what runs on :2149

ACPTSYS is registered on port :2149 over tcp and udp to Michael Lekias. 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 never observed open, so if it's open on your network it's more likely a custom or misconfigured service than the registered one.

find what's listening on :2149

this machine

# linux
sudo ss -tulpn 'sport = :2149'

# macos / bsd
sudo lsof -nP -i :2149

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :2149

another host

nmap -sV -p T:2149 <host>
sudo nmap -sU -sV -p U:2149 <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 :2149

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 :2149 yet

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

Record

iana registry entry

port: :2149
service: ACPTSYS
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: ACPTSYS is an IANA-registered service name for TCP and UDP port 2149. The assignment is registered to Michael Lekias, but no public deployment or product context is recorded here.
lookups: 0rank 993
added: 2026-09-20
updated: 2026-09-20
references: IANA service name registry — port 2149

Something wrong?

This record is maintained by the engineers who use port 2149. 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 2026-09-20.

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 :2149, by lookups.

port	service	proto	category	risk	views
:2105	eklogin Kerberos Remote Login	TCPUDP	Security	safe	22.1k
:2105	Zephyr Notification Service (hm-serv)	TCPUDP	Network Services	caution	19.0k
:2087	WHM SSL	TCPtls	Web Services	caution	17.7k
:2096	cPanel SSL Webmail	TCPtls	Web Services	safe	17.4k
:2103	Zephyr Notification Service	TCPUDP	Network Services	caution	15.8k
:2105	IBM MiniPay	TCPUDP	System	caution	15.7k
:2210	MikroTik Dude Remote Management	TCP	Remote Access	caution	13.6k
:2211	MikroTik Dude Secure Management	TCP	Security	caution	12.9k

risk mix of the 8 listed

safe25%
caution75%

2 of 8 encrypted

Port :2149ACPTSYS

Technical Details

Security Information

Related Ports

Port 2149ACPTSYS