← Port Encyclopedia
487

Port-487

TCP
System Low Risk
Reserved or unassigned port 487 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 487

nmap -sV -p 487 target
nmap -sV -sC --script=banner -p 487 target
nc -zv target 487

🛡️ Security Considerations

  • Scan port 487 with nmap -sV to identify the exact service and version
  • If Port-487 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-487 to find known exploits
  • Monitor traffic on port 487 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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RJE
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Echo
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Discard
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systat
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Daytime
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QOTD
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Chargen
Port 37
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Port 79
Finger
Port 111
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Ident

📍 Nearby Ports

Port 482
Port-482
Port 483
Port-483
Port 484
Port-484
Port 485
Port-485
Port 486
Port-486
Port 488
Port-488
Port 489
Port-489
Port 490
Port-490
Port 491
Port-491
Port 492
Port-492
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