Port 3566Quest Data Hub
TCP 3566 is assigned to Quest Data Hub, with no widely established public implementation or common deployment known.
- transport
- tcp
- in transit
- cleartext
- assignment
- official
- risk
- 1/10
- lookups
- 0
single transport
payload readable on path
registered with iana
safe
rank 993 of 4,771 · top 21%
Technical Details
what runs on :3566Quest Data Hub is registered on port :3566 over tcp to Greg Cottman 2, 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 :3566
# linux
sudo ss -tlpn 'sport = :3566'
# macos / bsd
sudo lsof -nP -i :3566
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :3566nmap -sV -p T:3566 <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 :3566risk 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 :3566 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
ports registered around :3566, by lookups.
| port | service | risk | |||
|---|---|---|---|---|---|
| :3516 | Smartcard Service | TCPUDP | Security | caution | 8.0k |
| :3605 | ComCam IO | UDP | Security | caution | 7.8k |
| :3544 | Teredo | UDP | Security | caution | 7.8k |
| :3527 | MSMQ | UDP | Network Services | caution | 7.3k |
| :3606 | Splitlock Server | TCPUDP | Security | caution | 6.5k |
| :3532 | Raven RMC | TCPUDP | Remote Access | caution | 5.9k |
| :3533 | Raven Remote Management | TCPUDP | Remote Access | caution | 5.7k |
| :3537 | NI-VISA Remote | TCPUDP | Network Services | caution | 4.9k |
risk mix of the 8 listed
- caution100%
0 of 8 encrypted