Newbie158158 Lv1Posted 08 May 2023 17:50
  

To prevent false positives on your Next-Generation Firewall (NGAF) and avoid blocking legitimate traffic, consider the following solutions:

Fine-tune Security Policies: Review and refine your security policies to ensure they align with your organization's requirements. Adjust rule settings, such as application control, threat detection, and IPS/IDS, to minimize false positives while maintaining robust security.

Regularly Update and Maintain Signature Databases: Keep your NGAF's signature databases up to date. Regularly update threat intelligence feeds and security subscriptions to ensure accurate detection and minimize false positives.

Configure Exclusion Lists: Create exclusion lists for known legitimate traffic or applications that may trigger false positives. These lists can help whitelist specific IPs, domains, or applications to prevent unnecessary blocking.

Implement Traffic Analysis and Monitoring: Utilize traffic analysis tools to identify patterns, behaviors, and anomalies in network traffic. This allows you to pinpoint false positives and fine-tune your NGAF's settings accordingly.

Test and Validate Changes: Before implementing any significant changes to your NGAF's configuration, conduct thorough testing and validation to ensure they don't introduce false positives or compromise security.

Collaborate with Vendors and Security Communities: Engage with NGAF vendors, security forums, and online communities to gain insights, share experiences, and learn best practices for minimizing false positives.

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