Analyze AWS Network Firewall logs using Amazon OpenSearch dashboard

This article explains how to analyze AWS Network Firewall logs using Amazon OpenSearch dashboards, which streamlines the process compared to previous manual methods.

• New OpenSearch dashboard simplifies Network Firewall log analysis without extra configuration steps
• Network Firewall generates three log types: flow logs, alert logs, and TLS logs
• Create OpenSearch integration via CloudWatch Settings with optional KMS encryption
• Configure IAM permissions for log access and dashboard viewing
• Build AWS Network Firewall dashboard selecting log groups and 5-minute sync frequency
• Dashboard provides visualizations: top talkers, protocols, alert analysis, firewall engines
• Use filters for source/destination addresses, protocols, actions, firewall names
• Inspect widgets for detailed analysis and CSV export capabilities
• Use cases: identify unusual traffic, monitor rule effectiveness, troubleshoot connectivity, verify compliance

OpenSearch dashboards transform Network Firewall data into actionable insights for real-time threat detection, compliance monitoring, and security optimization.