← Port Encyclopedia
6667
IRC
TCP
Messaging
Medium Risk
IRC — default IRC port, botnet C2 communication
🔍 How to Scan Port 6667
nmap -sV -p 6667 target
nmap -sV -sC --script=banner -p 6667 target
nc -zv target 6667
🛡️ Security Considerations
- Scan port 6667 with
nmap -sVto identify the exact service and version - If IRC is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit ircto find known exploits - Monitor traffic on port 6667 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation