Thresholds Overview
You can use the Service Protection > Service Protection Policy > Thresholds page to review system recommended thresholds and to make manual adjustments as you fine tune the configuration.
One of the key features of the FortiDDoS solution is the availability of system recommended thresholds that are adapted automatically according to statistical trends and tested heuristics. We recommend that in most cases, you should rely on the system intelligence. In some cases, such as demonstration, test, and troubleshooting situations, you might want to specify user-defined values for one or more thresholds. The threshold configuration is open, and can be updated manually.