← Port Encyclopedia
457
Port-457
TCP
System Low Risk
Reserved or unassigned port 457 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 457

nmap -sV -p 457 target
nmap -sV -sC --script=banner -p 457 target
nc -zv target 457

🛡️ Security Considerations

  • Scan port 457 with nmap -sV to identify the exact service and version
  • If Port-457 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-457 to find known exploits
  • Monitor traffic on port 457 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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TCPMUX
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systat
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Port 111
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📍 Nearby Ports

Port 452
Port-452
Port 453
Port-453
Port 454
Port-454
Port 455
Port-455
Port 456
Port-456
Port 458
Port-458
Port 459
Port-459
Port 460
Port-460
Port 461
Port-461
Port 462
Port-462
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