In Reverse proxy mode, how does FortiWeb handle traffic that does not match any defined policies?

What is one of the key benefits of the FortiGuard IP Reputation feature?

An e-commerce web app is used by small businesses. Clients often access it from offices behind a router, where clients are on an IPv4 privatenetwork LAN. You need to protect the web application from denial of service attacks that use request floods.
What FortiWeb feature should you configure?

When theFortiWeb is configured in Reverse Proxy mode and the FortiGate is configured as an SNAT device, what IP address will the FortiGate's Real Server configuration point at?