Port 6789Oracle Remote Administration Daemon
TCP port 6789 is assigned for GSS-API use by the Oracle Remote Administration Daemon.
- 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 5,783 · top 17%
also known as radg
1 other service is registered on port 6789. compare all 2 →
Technical Details
what runs on :6789Oracle Remote Administration Daemon is registered on port :6789 over tcp to Oracle 9, assigned August 2002. 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 :6789
# linux
sudo ss -tlpn 'sport = :6789'
# macos / bsd
sudo lsof -nP -i :6789
# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :6789nmap -sV -p T:6789 <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 :6789risk score
1/ 10safe
routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.
remote access averages 3.8 across 220 ports — this one sits 2.8 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
tcp
every listening transport is another surface to filter at the edge
security overview
no security notes recorded for :6789 yet
known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.
Related Ports
the 8 most looked-up other ports in remote access — 220 ports carry that label.
| port | service | risk | |||
|---|---|---|---|---|---|
| :8000 | Intel Remote Desktop / Alternate HTTP Port | TCP | Web Services | safe | 84.3k |
| :8888 | D2GS Admin Console | TCP | Remote Access | caution | 83.7k |
| :8881 | Atlasz Secure Server | TCP | Web Services | caution | 67.6k |
| :5938 | TeamViewer | TCPUDP | Remote Access | caution | 65.0k |
| :8291 | Winbox MikroTik Admin | TCP | Security | caution | 62.9k |
| :8008 | IBM HTTP Server Admin | TCP | Web Services | caution | 58.3k |
| :135 | Microsoft EPMAP | TCPUDP | Security | caution | 51.9k |
| :23 | Telnet | TCP | Remote Access | caution | 34.8k |
risk mix of the 8 listed
- safe13%
- caution88%
0 of 8 encrypted