DDoS Prevention: Protecting The Origin

Published on by Nick Sullivan.

One of the many great features that CloudFlare provides is protection from Distributed Denial of Service (DDoS) attacks. A malicious party who wants to make your website or web service unavailable could try to overwhelm it with requests from compromised machines (or bots) all around the world. With a large enough volume of requests, your server may become overloaded and not be able to provide its services to…

A Tour Inside CloudFlare's Latest Generation Servers

Published on by Matthew Prince.

CloudFlare operates at a significant scale, handling more than a trillion requests through our network every month. To ensure this is as efficient as possible, we own and operate all the equipment in our 23 locations around the world in order to process the volume of traffic that flows through our network. We spend a significant amount of time specing and, in some cases, designing the hardware that…

Government Surveillance: Why Transparency Matters

Published on by Matthew Prince.

The web is one of the greatest inventions of human history because it has made the world more transparent. Fundamentally, that's what the web does: it takes information that was inaccessible and opaque and makes it available and lucid. At CloudFlare, our mission is to build a better web. We hire great engineers to invent the technical systems that provide anyone a global platform through which…

Railgun Gives our Ecommerce Sites the Edge

Published on by Guest Author.

The following is a guest blog post by Chris Holland, Director of Technology at Luxury Link. Luxury Link has been using CloudFlare’s Railgun acceleration technology since March 2013. In March 2013, we started testing Railgun, and slowly rolled it out across our three web properties. We saw immediate results. First, we saw instant reductions in time to retrieve uncached HTML documents, and as an ecommerce web…

Staying on top of TLS attacks

Published on by John Graham-Cumming.

CloudFlare makes extensive use of TLS connections throughout our service which makes staying on top of the latest news about security problems with TLS a priority. We use TLS both externally and internally and different uses of TLS have different constraints. Broadly there are three ways we use TLS: to handle HTTPS connections from web browsers visiting web sites that use CloudFlare, to make HTTPS connections from our…