← Port Encyclopedia
100
Port-100
TCP
System Low Risk
Reserved or unassigned port 100 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 100

nmap -sV -p 100 target
nmap -sV -sC --script=banner -p 100 target
nc -zv target 100

🛡️ Security Considerations

  • Scan port 100 with nmap -sV to identify the exact service and version
  • If Port-100 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-100 to find known exploits
  • Monitor traffic on port 100 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation

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📍 Nearby Ports

Port 95
Port-95
Port 96
Port-96
Port 97
Port-97
Port 98
Port-98
Port 99
Port-99
Port 101
Port-101
Port 102
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