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9300

Elasticsearch-TCP

TCP
Search High Risk
Elasticsearch transport — inter-node cluster communication

🔍 How to Scan Port 9300

nmap -sV -p 9300 target
nmap -sV -sC --script=banner -p 9300 target
nc -zv target 9300

🛡️ Security Considerations

  • Scan port 9300 with nmap -sV to identify the exact service and version
  • If Elasticsearch-TCP is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit elasticsearch-tcp to find known exploits
  • Monitor traffic on port 9300 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation
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