← Port Encyclopedia
119

NNTP

TCP
Messaging Medium Risk
Network News Transfer Protocol — Usenet, can expose internal network information

🔍 How to Scan Port 119

nmap -sV -p 119 target
nmap -sV -sC --script=banner -p 119 target
nc -zv target 119

🛡️ Security Considerations

  • Scan port 119 with nmap -sV to identify the exact service and version
  • If NNTP is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit nntp to find known exploits
  • Monitor traffic on port 119 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation
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