Port 4902magicCONROL RF and Data Interface

TCP port 4902 is assigned to the magicCONROL RF and Data Interface, registered to Andreas Spalenski.

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

also known as magiccontrol

Technical Details

what runs on :4902

magicCONROL RF and Data Interface is registered on port :4902 over tcp to Andreas Spalenski, assigned November 2008. 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 :4902

this machine

# linux
sudo ss -tlpn 'sport = :4902'

# macos / bsd
sudo lsof -nP -i :4902

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :4902

another host

nmap -sV -p T:4902 <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 :4902

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

every listening transport is another surface to filter at the edge

security overview

no security notes recorded for :4902 yet

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

Record

iana registry entry

port: :4902
service: magicCONROL RF and Data Interface
transport: TCP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: The registry assigns this port to the magicCONROL RF and Data Interface and lists Andreas Spalenski as the registrant. No established deployment or widely recognized implementation is known.
lookups: 0rank 993
added: 2026-10-06
updated: 2026-10-06
references: IANA service name registry — port 4902

Something wrong?

This record is maintained by the engineers who use port 4902. 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 2026-10-06.

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 :4902, by lookups.

port	service	proto	category	risk	views
:4899	Radmin Remote Administration	TCPUDP	Security	safe	28.3k
:4840	OPC UA TCP	TCPUDP	Network Services	caution	26.6k
:4843	OPC UA over TLS/SSL	TCPUDPtls	Security	caution	24.6k
:4949	Munin	TCP	Network Services	caution	8.9k
:4847	Quadrion WebFresh	TCPUDP	Web Services	caution	7.2k
:4950	Cylon UC32 Control	TCPUDP	Network Services	caution	5.8k
:4894	LysKOM	TCPUDP	Voice and Chat	caution	4.1k
:4838	Varadero-1	TCPUDP	—	safe	0

risk mix of the 8 listed

safe25%
caution75%

1 of 8 encrypted

Port :4902magicCONROL RF and Data Interface

Technical Details

Security Information

Related Ports

Port 4902magicCONROL RF and Data Interface