Port 1909Global World Link

Global World Link traffic uses TCP or UDP port 1909.

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

also known as global-wlink

Technical Details

what runs on :1909

Global World Link is registered on port :1909 over tcp and udp to Nicholas Davies. 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 :1909

this machine

# linux
sudo ss -tulpn 'sport = :1909'

# macos / bsd
sudo lsof -nP -i :1909

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :1909

another host

nmap -sV -p T:1909 <host>
sudo nmap -sU -sV -p U:1909 <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 :1909

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 :1909 yet

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

Record

iana registry entry

port: :1909
service: Global World Link
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: Port 1909 is assigned to Global World Link, a service registered to Nicholas Davies. Public protocol behavior and deployment patterns are not documented in the registry information.
lookups: 0rank 993
added: 2026-08-24
updated: 2026-08-24
references: IANA service name registry — port 1909

Something wrong?

This record is maintained by the engineers who use port 1909. 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 2026-08-24.

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 :1909, by lookups.

port	service	proto	category	risk	views
:1920	IBM Tivoli Monitoring	TCPtls	Web Services	caution	21.5k
:1863	Microsoft Notification Protocol	TCP	Voice and Chat	caution	15.9k
:1947	Aladdin HASP License Manager	TCP	Security	caution	15.4k
:1900	SSDP / UPnP Discovery	UDP	Network Services	caution	14.6k
:1883	MQTT Broker	TCP	Network Services	caution	14.2k
:1967	Cisco IP SLA Control	UDP	Network Services	caution	13.2k
:1935	RTMP	TCP	Web Services	safe	11.1k
:1886	Leonardo over IP	TCP	File Transfer	caution	10.4k

risk mix of the 8 listed

safe13%
caution88%

1 of 8 encrypted

Port :1909Global World Link

Technical Details

Security Information

Related Ports

Port 1909Global World Link