Port 3406Nokia Announcement Channel 2

Nokia Announcement channel 2 service assigned to TCP and UDP port 3406.

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

also known as nokia-ann-ch2

Technical Details

what runs on :3406

Nokia Announcement Channel 2 is registered on port :3406 over tcp and udp to Morteza Kalhour, assigned February 2002. 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 :3406

this machine

# linux
sudo ss -tulpn 'sport = :3406'

# macos / bsd
sudo lsof -nP -i :3406

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :3406

another host

nmap -sV -p T:3406 <host>
sudo nmap -sU -sV -p U:3406 <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 :3406

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 :3406 yet

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

Record

iana registry entry

port: :3406
service: Nokia Announcement Channel 2
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: Port 3406 is assigned to the Nokia Announcement ch 2 service over TCP and UDP. The registration was made by Morteza Kalhour in 2002; public deployment and protocol details are not established here.
lookups: 0rank 993
added: 2026-09-04
updated: 2026-09-04
references: IANA service name registry — port 3406

Something wrong?

This record is maintained by the engineers who use port 3406. 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 2026-09-04.

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 :3406, by lookups.

port	service	proto	category	risk	views
:3386	GTP (GPRS Tunneling Protocol)	TCPUDP	Network Services	caution	16.7k
:3389	Microsoft RDP	TCPUDP	Remote Access	caution	16.3k
:3424	Xware xTrm over SSL	TCPtls	Security	caution	13.1k
:3423	Xware xTrm Protocol	TCP	Network Services	caution	8.7k
:3455	RSVP Protocol	TCPUDP	Network Services	caution	8.2k
:3412	xmlBlaster	TCPUDP	Network Services	caution	7.4k
:3396	NDPS Printer Agent	TCPUDP	Network Services	caution	4.6k
:3364	Creative Server	TCPUDP	—	safe	0

risk mix of the 8 listed

safe13%
caution88%

1 of 8 encrypted

Port :3406Nokia Announcement Channel 2

Technical Details

Security Information

Related Ports

Port 3406Nokia Announcement Channel 2