← Port Encyclopedia
490
Port-490
TCP
System Low Risk
Reserved or unassigned port 490 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 490

nmap -sV -p 490 target
nmap -sV -sC --script=banner -p 490 target
nc -zv target 490

🛡️ Security Considerations

  • Scan port 490 with nmap -sV to identify the exact service and version
  • If Port-490 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-490 to find known exploits
  • Monitor traffic on port 490 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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systat
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📍 Nearby Ports

Port 485
Port-485
Port 486
Port-486
Port 487
Port-487
Port 488
Port-488
Port 489
Port-489
Port 491
Port-491
Port 492
Port-492
Port 493
Port-493
Port 494
Port-494
Port 495
Port-495
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