← Port Encyclopedia
306
Port-306
TCP
System Low Risk
Reserved or unassigned port 306 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 306

nmap -sV -p 306 target
nmap -sV -sC --script=banner -p 306 target
nc -zv target 306

🛡️ Security Considerations

  • Scan port 306 with nmap -sV to identify the exact service and version
  • If Port-306 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-306 to find known exploits
  • Monitor traffic on port 306 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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Port 111
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📍 Nearby Ports

Port 301
Port-301
Port 302
Port-302
Port 303
Port-303
Port 304
Port-304
Port 305
Port-305
Port 307
Port-307
Port 308
Port-308
Port 309
Port-309
Port 310
Port-310
Port 311
Port-311
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