Analyze AWS Network Firewall logs using Amazon OpenSearch dashboard

Source: AWS Security Blog

Author: Hoorang Broujerdi

URL: https://aws.amazon.com/blogs/security/analyze-aws-network-firewall-logs-using-amazon-opensearch-dashboard/

https://aws.amazon.com/blogs/security/analyze-aws-network-firewall-logs-using-amazon-opensearch-dashboard/

ONE SENTENCE SUMMARY:

Amazon’s new dashboard for OpenSearch simplifies AWS Network Firewall log analysis, enhancing security monitoring and troubleshooting effectiveness.

MAIN POINTS:

1. New dashboard simplifies analyzing AWS Network Firewall logs with OpenSearch, eliminating complex setup steps.
2. Network Firewall protects Amazon VPCs by monitoring and filtering traffic with stateful inspection.
3. Analyzing logs helps troubleshoot issues and maintain effective security controls over time.
4. Firewall generates Flow, Alert, and TLS logs for traffic analysis.
5. Prerequisites include having an active Network Firewall, configured CloudWatch log groups, and understanding AWS networking basics.
6. Integration setup involves creating OpenSearch Service connections and configuring IAM permissions.
7. A new dashboard offers insights into firewall events with customizable filters.
8. Dashboards display top protocols and alert log analysis for detailed monitoring.
9. Example uses include identifying traffic patterns, monitoring rule effectiveness, and troubleshooting connectivity.
10. Cost considerations apply for using Network Firewall and OpenSearch services.

TAKEAWAYS:

1. Streamlines firewall log analysis with a simpler dashboard setup.
2. Provides visual insights and customizable filters for detailed security monitoring.
3. Requires understanding of AWS services and configuration of specific logging prerequisites.
4. Enhances operational efficiency, threat detection, and compliance monitoring.
5. Incur charges for using AWS Network Firewall and OpenSearch services.