Port 44900M3DA Discovery

UDP discovery for M3DA, an efficient machine-to-machine communications protocol.

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

1 other service is registered on port 44900. compare all 2 →

Technical Details

what runs on :44900

This is the UDP discovery service for M3DA, whose registered purpose is efficient machine-to-machine communications. UDP is connectionless, so there is no TCP-style connection handshake; discovery uses datagrams rather than carrying an established stream. The assignment identifies this port with discovery, not with the full M3DA data exchange. The registry does not specify packet framing, broadcast behavior, or a related data-transport port, so those details depend on the implementation.

Security Information

exposure of :44900

risk score

1/ 10safe

routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.

iot averages 3.3 across 205 ports — this one sits 2.3 below.

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

Discovery traffic is not encrypted by UDP itself, and the registry does not establish that implementations add encryption or authentication. It is generally unnecessary to expose local device discovery to the public internet; restrict it to networks where M3DA devices need to find one another. The port is rarely observed open in internet-wide scans, so its practical exposure risk appears low.

Record

iana registry entry

port: :44900
service: M3DA Discovery
transport: UDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: IoT
usage: This port is assigned to the discovery component of M3DA, associated with the Eclipse ecosystem. Engineers are most likely to encounter it in deployments that specifically use M3DA; it is not a common general-purpose service.
lookups: 0rank 993
added: 2026-10-21
updated: 2026-10-21
references: IANA service name registry — port 44900

Something wrong?

This record is maintained by the engineers who use port 44900. 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 2026-10-21.

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

all 205 in iot →

the 8 most looked-up other ports in iot — 205 ports carry that label.

port	service	proto	category	risk	views
:6543	Jetnet	UDP	Network Services	caution	65.3k
:3233	WhiskerControl Protocol	TCPUDP	Network Services	caution	61.9k
:9600	Omron FINS Communication	UDP	Network Services	caution	33.2k
:4840	OPC UA TCP	TCPUDP	Network Services	caution	26.6k
:5678	Mikrotik MNDP	UDP	Network Services	caution	24.7k
:4843	OPC UA over TLS/SSL	TCPUDPtls	Security	caution	24.6k
:5001	Slingbox	TCP	Streaming	caution	22.4k
:15000	Hypack Data Acquisition	TCP	Network Services	caution	21.4k

risk mix of the 8 listed

caution100%

1 of 8 encrypted

Port :44900M3DA Discovery

Technical Details

Security Information

Related Ports

Port 44900M3DA Discovery