← Port Encyclopedia
79
Finger
TCP
System Medium Risk
Finger protocol — reveals user information, username enumeration, privacy risk

🔍 How to Scan Port 79

nmap -sV -p 79 target
nmap -sV -sC --script=banner -p 79 target
nc -zv target 79

🛡️ Security Considerations

  • Scan port 79 with nmap -sV to identify the exact service and version
  • If Finger is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit finger to find known exploits
  • Monitor traffic on port 79 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation