← Port Encyclopedia
436

Port-436

TCP
System Low Risk
Reserved or unassigned port 436 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 436

nmap -sV -p 436 target
nmap -sV -sC --script=banner -p 436 target
nc -zv target 436

🛡️ Security Considerations

  • Scan port 436 with nmap -sV to identify the exact service and version
  • If Port-436 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-436 to find known exploits
  • Monitor traffic on port 436 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
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RJE
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Echo
Port 9
Discard
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systat
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Daytime
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QOTD
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Chargen
Port 37
Time
Port 79
Finger
Port 111
RPCbind
Port 113
Ident

📍 Nearby Ports

Port 431
Port-431
Port 432
Port-432
Port 433
Port-433
Port 434
Port-434
Port 435
Port-435
Port 437
Port-437
Port 438
Port-438
Port 439
Port-439
Port 440
Port-440
Port 441
Port-441
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