← Port Encyclopedia
6661
IRC
TCP
Messaging Medium Risk
IRC — Internet Relay Chat server

🔍 How to Scan Port 6661

nmap -sV -p 6661 target
nmap -sV -sC --script=banner -p 6661 target
nc -zv target 6661

🛡️ Security Considerations

  • Scan port 6661 with nmap -sV to 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 irc to find known exploits
  • Monitor traffic on port 6661 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation