Chapter 1: Key Concepts

Chapter 1: Key Concepts

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 attack overview

DDoS mitigation techniques overview

Understanding FortiDDoS rate limiting thresholds

Using FortiDDoS ACLs

Understanding FortiDDoS protocol anomaly protection

Understanding FortiDDoS Detection Mode

Understanding FortiDDoS Prevention Mode

Understanding FortiDDoS Asymmetric Mode

Understanding FortiDDoS DNS attack mitigation

Using FortiDDoS SPPs

Working with the FortiDDoS Monitor graphs

Working with the FortiDDoS attack log

A typical workflow for investigating FortiDDoS attack events