Configuring your FortiGate for NGFW policy-based mode
- Go to System > Settings and scroll down to System Operation Settings.
For Inspection Mode, select Flow-based.
For NGFW Mode, select Policy-based.
Select an SSL/SSH Inspection profile.
Network Security 
Network Security
NOC & SOC Management
Enterprise Networking
Business Communications
Zero Trust Access 
Cloud Security 
Hybrid Cloud Security
Cloud Native Protection
Web Application / API Protection
SAAS Security
Security Operations 
SOC Platform
Advanced Threat Protection
Endpoint Security
