DDoS mitigation refers to the process of successfully protecting a targeted server or network from a distributed denial-of-service (DDoS) attack. A distributed denial-of-service (DDoS) attack is a malicious attempt to disrupt normal traffic to a web property. Cloudflare mitigates DDoS attacks, including those that target UDP and ICMP protocols, SYN/ACK, DNS and NTP amplification and Layer 7 attacks. Application layer attacks or layer 7(L7) DDoS attacks refer to a type of malicious behavior designed to target the “top” layer in the OSI model where common. About DDoS protection by Cloudflare.