← Port Encyclopedia
101
Port-101
TCP
System Low Risk
Reserved or unassigned port 101 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 101

nmap -sV -p 101 target
nmap -sV -sC --script=banner -p 101 target
nc -zv target 101

🛡️ Security Considerations

  • Scan port 101 with nmap -sV to identify the exact service and version
  • If Port-101 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-101 to find known exploits
  • Monitor traffic on port 101 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation