Port 9200 is used by Elasticsearch REST API (Elasticsearch). Elasticsearch is a distributed search and analytics engine. The REST API on port 9200 allows querying and managing data.
What Does an Open Port 9200 Mean?
Elasticsearch is exposed to the internet. Elasticsearch has NO authentication by default. Thousands of databases have been stolen and ransomed via exposed Elasticsearch instances. This is a critical misconfiguration.
This port should NOT be open to the public internet on typical systems. If you see it open, investigate immediately.
Security Risk Level
Critical Risk
How to Check if Port 9200 Is Open
Use the ExamineIP Port Scanner to check if port 9200 is open on any IP address from the public internet. Enter the target IP and select the relevant port preset.
How to Close Port 9200
- Stop the service using port 9200 if you no longer need it
- Add a firewall rule blocking inbound connections on port 9200
- Check your router for port forwarding rules that expose this port
- Run
netstat -ano | findstr :9200(Windows) to see which process is using it
Related Ports
Elasticsearch is related to: {implode(‘, ‘, Array)}
Protect Your Open Ports
If you need services like remote access, use a VPN to create a private encrypted tunnel instead of exposing ports directly to the internet. A VPN also hides your real IP address so port scanners cannot identify your device. Try PureVPN or IPVanish.