FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
This article describes best practices for admins using IPS profiles.
Scope
FortiGate.
Solution
Keep IPS Definitions Updated:Regularly update the IPS signature database to ensure it can detect the latest threats. Enable automatic updates whenever possible to stay protected against emerging threats.
Customize Profiles to Match Network Requirements: Create separate IPS profiles for different network segments or services. Tailor each profile to match the security requirements of the specific traffic it will inspect.
Regularly Review and Adjust IPS Profiles: Periodically review and update the IPS profiles based on changing network conditions, threats, and business needs. Fine-tune rules to reduce false positives and enhance detection accuracy.
Enable Logging and Alerting: Configure IPS profiles to log detected events and trigger alerts. This allows to investigate and respond to security incidents promptly.
Understand Resource Usage: Be aware of the resource impact of IPS inspection, especially on CPU and memory usage. Adjust settings and profiles to balance security with performance.
Continuously Monitor IPS Events: Regularly monitor and analyze IPS logs to identify attack patterns and fine-tune the profiles accordingly.
Use FortiAnalyzer for Comprehensive Analysis: Consider using FortiAnalyzer for in-depth analysis and reporting of IPS events, helping gain insights into network threats and security effectiveness.
Conclusion:
Configuring IPS profiles in FortiGate is a crucial step in securing the network against threats. By following these best practices, it is possible to strike the right balance between security and performance while ensuring the network remains protected from intrusions.
