Port 4418AXYS communication protocol

UDP port 4418 carries the AXYS communication protocol associated with Duran Audio equipment.

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

also known as axysbridge

Technical Details

what runs on :4418

AXYS communication protocol is registered on port :4418 over udp to Duran Audio B.V., assigned March 2016. 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 :4418

this machine

# linux
sudo ss -ulpn 'sport = :4418'

# macos / bsd
sudo lsof -nP -i :4418

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :4418

another host

sudo nmap -sU -sV -p U:4418 <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 :4418

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

udp

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

security overview

no security notes recorded for :4418 yet

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

Record

iana registry entry

port: :4418
service: AXYS communication protocol
transport: UDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: The axysbridge assignment identifies UDP port 4418 for the AXYS communication protocol. It is registered to Duran Audio B.V. and is rarely observed in internet-wide scans.
lookups: 0rank 993
added: 2026-09-13
updated: 2026-09-13
references: IANA service name registry — port 4418

Something wrong?

This record is maintained by the engineers who use port 4418. 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 2026-09-13.

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 :4418, by lookups.

port	service	proto	category	risk	views
:4433	Axence nVision	TCP	Security	caution	8.9k
:4449	PrivateWire	TCPUDP	—	safe	0
:4361	NavCom Discovery and Control	UDP	Network Services	safe	0
:4378	Cambridge Pixel SPx Display	TCPUDP	—	safe	0
:4404	Asigra DS-System Monitoring/Management	TCPUDP	System	safe	0
:4447	N1-RMGMT	TCPUDP	—	safe	0
:4443	Pharos	TCPUDP	—	safe	0
:4444	Kerberos 524	TCPUDP	Security	caution	0

risk mix of the 8 listed

safe75%
caution25%

0 of 8 encrypted

Port :4418AXYS communication protocol

Technical Details

Security Information

Related Ports

Port 4418AXYS communication protocol