This chapter describes FortiDDoS concepts, terms, and features.
If you are new to FortiDDoS, or new to distributed denial of service (DDoS), this chapter can help you understand the problem and the mitigation techniques.
This chapter includes the following sections:
DDoS mitigation techniques overview
Understanding FortiDDoS rate limiting thresholds
Understanding FortiDDoS protocol anomaly protection
Understanding FortiDDoS Detection Mode
Understanding FortiDDoS Prevention Mode
Understanding FortiDDoS Asymmetric Mode
Understanding FortiDDoS DNS attack mitigation
Working with the FortiDDoS Monitor graphs
Working with the FortiDDoS attack log
A typical workflow for investigating FortiDDoS attack events