Port 16003ALFIN
UDP/16003 is assigned to REGULACE.ORG's Automation and Control service, registered by Ing Tomas Halabala.
- transport
- udp
- in transit
- cleartext
- assignment
- official
- risk
- 1/10
- lookups
- 0
single transport
payload readable on path
registered with iana
safe
rank 993 of 6,325 · top 16%
also known as Automation and Control
Technical Details
what runs on :16003ALFIN is registered on port :16003 over udp to Ing Tomas Halabala, assigned October 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 :16003
# linux
sudo ss -ulpn 'sport = :16003'
# macos / bsd
sudo lsof -nP -i :16003
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :16003sudo nmap -sU -sV -p U:16003 <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 :16003risk 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
udp
udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite
security overview
no security notes recorded for :16003 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
ports registered around :16003, by lookups.
| port | service | risk | |||
|---|---|---|---|---|---|
| :16000 | shroudBNC | TCP | Network Services | caution | 4.0k |
| :16001 | Administration Server Connector | TCP | — | safe | 0 |
| :16000 | Administration Server Access | TCP | Remote Access | safe | 0 |
| :15998 | 2ping | UDP | Network Services | safe | 0 |
| :15999 | ProGrammar Enterprise | TCP | — | safe | 0 |
| :16002 | GoodSync Mediation Service | TCP | Network Services | safe | 0 |
| :16020 | FileMaker Java Web Publishing Engine | TCP | Web Services | safe | 0 |
risk mix of the 7 listed
- safe86%
- caution14%
0 of 7 encrypted