← Port Encyclopedia
666
Doom
TCP
Gaming
Low Risk
Doom multiplayer — also used by some backdoors and malware
🔍 How to Scan Port 666
nmap -sV -p 666 target
nmap -sV -sC --script=banner -p 666 target
nc -zv target 666
🛡️ Security Considerations
- Scan port 666 with
nmap -sVto identify the exact service and version - If Doom is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit doomto find known exploits - Monitor traffic on port 666 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation