Saturday Night Fever: Layer 7 attacks against CloudFlare sites
Aug 16, 2012John Graham-Cumming

Summary
This post details the nature and prevalence of Layer 7 Distributed Denial of Service (DDoS) attacks against Cloudflare sites. It highlights that these attacks, while less common in terms of originating IP addresses, constitute the vast majority of DoS attacks. The post analyzes attack patterns by day of the week, time of day, and across the year, identifying specific trends and dips. It also provides insights into the geographical origins of these attacks and the types of networks commonly used. The post underscores Cloudflare's ongoing efforts to defend against these sophisticated attacks and its mission to keep customer websites online.
More from the Website Security & Threat Management trail
- We tested our own WAF with frontier AI models. Here’s what we found
- When scanners miss the attack: how Cloudflare Client-Side Security protects storefronts
- Introducing automatic remediation policies with Cloudflare CASB
- Introducing context-aware vulnerability discovery and remediation with Cloudflare Managed Defense and OpenAI Daybreak Models
- Introducing Adaptive Intelligence: undermining the economics of every bot attack