← Port Encyclopedia
669

Port-669

TCP
System Low Risk
Reserved or unassigned port 669 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 669

nmap -sV -p 669 target
nmap -sV -sC --script=banner -p 669 target
nc -zv target 669

🛡️ Security Considerations

  • Scan port 669 with nmap -sV to identify the exact service and version
  • If Port-669 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-669 to find known exploits
  • Monitor traffic on port 669 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation

🔗 Related System Ports

Port 1
TCPMUX
Port 5
RJE
Port 7
Echo
Port 9
Discard
Port 11
systat
Port 13
Daytime
Port 17
QOTD
Port 19
Chargen
Port 37
Time
Port 79
Finger
Port 111
RPCbind
Port 113
Ident

📍 Nearby Ports

Port 664
Port-664
Port 665
Port-665
Port 666
Doom
Port 667
Port-667
Port 668
Port-668
Port 670
Port-670
Port 671
Port-671
Port 672
Port-672
Port 673
Port-673
Port 674
Port-674
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