I first heard John speak at the Nginx.Conf conference in San Francisco. He’s done an amazing job explaining a large scale, high volume WAF (Web Application Firewall) platform that he and his colleagues have built. In this interview he’ll explain design goals, benchmarking, testing and WAF rule new roll outs. The story here is really about performance and scale by optimizing every last drop out wit
![Scaling CloudFlare's Massive WAF](https://cdn-ak-scissors.b.st-hatena.com/image/square/a3ea072363b6890d8d749dd5aa97bcc7d8d117dd/height=288;version=1;width=512/http%3A%2F%2Fwww.scalescale.com%2Fwp-content%2Fuploads%2F2014%2F12%2Fscalescale-headers-temp-r1-031.png)