Cloudflare thwarts 17.2M rps DDoS attack — the largest ever reported

This post details the detection and mitigation of a record-breaking 17.2 million rps DDoS attack by Cloudflare's autonomous edge DDoS protection systems. It highlights the role of the 'dosd' daemon in analyzing traffic samples out-of-path, generating real-time mitigation rules, and propagating them to optimal stack locations (e.g., L4 iptables) for efficient mitigation. The post also discusses the resurgence of Mirai and other botnets, providing statistics on attack volumes and sources, and emphasizes the importance of always-on, automated protection for businesses and IoT devices.