Port 3829Netadmin Systems Event Handler External

Port 3829 is assigned to Netadmin Systems' external event handler; public protocol details are scarce.

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

also known as neteh-ext

Technical Details

what runs on :3829

Netadmin Systems Event Handler External is registered on port :3829 over tcp and udp to Jonas Krogell, assigned July 2007. 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 :3829

this machine

# linux
sudo ss -tulpn 'sport = :3829'

# macos / bsd
sudo lsof -nP -i :3829

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :3829

another host

nmap -sV -p T:3829 <host>
sudo nmap -sU -sV -p U:3829 <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 :3829

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 :3829 yet

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

Record

iana registry entry

port: :3829
service: Netadmin Systems Event Handler External
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: The IANA assignment is for Netadmin Systems Event Handler External and is registered to Jonas Krogell. The protocol and typical deployment are not documented well enough to identify what an open port would serve.
lookups: 0rank 993
added: 2026-10-02
updated: 2026-10-02
references: IANA service name registry — port 3829

Something wrong?

This record is maintained by the engineers who use port 3829. 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 2026-10-02.

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 :3829, by lookups.

port	service	proto	category	risk	views
:3872	Oracle Management Agent	TCP	Databases	caution	14.3k
:3868	Diameter Protocol	TCPSCTP	Security	caution	7.7k
:3880	IGRS	TCPUDP	Network Services	caution	5.2k
:3784	Ventrilo	TCPUDP	Gaming	caution	4.9k
:3800	HGG Application Port	TCP	Network Services	caution	4.8k
:3785	Ventrilo Voice Chat	UDP	Gaming	caution	4.4k
:3784	Bidirectional Forwarding Detection (BFD)	TCPUDP	Security	caution	0
:3801	IBM Manager Service	TCPUDP	System	safe	0

risk mix of the 8 listed

safe13%
caution88%

0 of 8 encrypted

Port :3829Netadmin Systems Event Handler External

Technical Details

Security Information

Related Ports

Port 3829Netadmin Systems Event Handler External