Port 6379 is used by Redis In-Memory Database (Redis). Redis is an in-memory data store used for caching, session storage, and message queuing. Used by Twitter, GitHub, Stack Overflow, and countless others.
What Does an Open Port 6379 Mean?
A Redis instance is exposed to the internet. Redis defaults to NO authentication. Exposed Redis instances have been used to hijack servers, steal data, and install ransomware. This is a critical vulnerability.
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 6379 Is Open
Use the ExamineIP Port Scanner to check if port 6379 is open on any IP address from the public internet. Enter the target IP and select the relevant port preset.
How to Close Port 6379
- Stop the service using port 6379 if you no longer need it
- Add a firewall rule blocking inbound connections on port 6379
- Check your router for port forwarding rules that expose this port
- Run
netstat -ano | findstr :6379(Windows) to see which process is using it
Related Ports
Redis 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.