Don't forget to protect your SSLVPN service as well! These commands assume you don't have any existing entries in your source-address allow list, as we are inverting the action on this list from allow to deny:
config vpn ssl settings
set source-address-negate enable
set source-address "list or group 1" "list or group 2" "list or group n"
The Fortinet Security Fabric brings together the concepts of convergence and consolidation to provide comprehensive cybersecurity protection for all users, devices, and applications and across all network edges.