← Port Encyclopedia
804
Port-804
TCP
System Low Risk
Reserved or unassigned port 804 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 804

nmap -sV -p 804 target
nmap -sV -sC --script=banner -p 804 target
nc -zv target 804

🛡️ Security Considerations

  • Scan port 804 with nmap -sV to identify the exact service and version
  • If Port-804 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-804 to find known exploits
  • Monitor traffic on port 804 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 799
Port-799
Port 800
Port-800
Port 801
Port-801
Port 802
Port-802
Port 803
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Port 805
Port-805
Port 806
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Port 807
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Port 808
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Port 809
Port-809
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