Port 11489ASG Cypress Secure Only
TCP 11489 is assigned to ASG Cypress Secure Only, registered to David Luxford.
- transport
- tcp
- in transit
- encrypted
- assignment
- official
- risk
- 1/10
- lookups
- 0
single transport
payload protected on the wire
registered with iana
safe
rank 993 of 6,268 · top 16%
also known as asgcypresstcps
Technical Details
what runs on :11489ASG Cypress Secure Only is registered on port :11489 over tcp to David Luxford, assigned July 2010. 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 :11489
# linux
sudo ss -tlpn 'sport = :11489'
# macos / bsd
sudo lsof -nP -i :11489
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :11489nmap -sV -p T:11489 <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 detailsSecurity Information
exposure of :11489risk 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
encrypted
payloads are protected on the wire
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 :11489 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
ports registered around :11489, by lookups.
| port | service | risk | |||
|---|---|---|---|---|---|
| :11434 | Ollama API | TCP | Web Services | risk | 0 |
| :11430 | Lenbrook Service Discovery Protocol | UDP | Network Services | safe | 0 |
risk mix of the 2 listed
- safe50%
- risk50%
0 of 2 encrypted