← Port Encyclopedia
55
Port-55
TCP
System Low Risk
Reserved or unassigned port 55 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 55

nmap -sV -p 55 target
nmap -sV -sC --script=banner -p 55 target
nc -zv target 55

🛡️ Security Considerations

  • Scan port 55 with nmap -sV to identify the exact service and version
  • If Port-55 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-55 to find known exploits
  • Monitor traffic on port 55 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation

🔗 Related System Ports

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📍 Nearby Ports

Port 50
Port-50
Port 51
Port-51
Port 52
Port-52
Port 53
DNS
Port 54
Port-54
Port 56
Port-56
Port 57
Port-57
Port 58
Port-58
Port 59
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Port 60
Port-60
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