← Port Encyclopedia
9300
Elasticsearch-TCP
TCP
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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 -sVto 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-tcpto 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