Posts by Nick Sullivan

How to build your own public key infrastructure

Published on by Nick Sullivan.

A major part of securing a network as geographically diverse as CloudFlare’s is protecting data as it travels between datacenters. Customer data and logs are important to protect but so is all the control data that our applications use to communicate with each other. For example, our application servers

iOS Developers — Migrate to iOS 9 with CloudFlare

Published on by Nick Sullivan.

Thousands of developers use CloudFlare to accelerate and secure the backend of their mobile applications and websites. This week is Apple’s Worldwide Developers Conference (WWDC), where thousands of Apple developers come to San Francisco to talk, learn and share best practices for developing software for Apple platforms. New announcements

An introduction to JavaScript-based DDoS

Published on by Nick Sullivan.

CloudFlare protects millions of websites from online threats. One of the oldest and most pervasive attacks launched against websites is the Distributed Denial of Service (DDoS) attack. In a typical DDoS attack, an attacker causes a large number of computers to send data to a server, overwhelming its capacity and

Universal SSL: Encryption all the way to the origin, for free

Published on by Nick Sullivan.

Last September, CloudFlare unveiled Universal SSL, enabling HTTPS support for all sites by default. All sites using CloudFlare now support strong cryptography from the browser to CloudFlare’s servers. One of the most popular requests for Universal SSL was to make it easier to encrypt the other half of the

Do the ChaCha: better mobile performance with cryptography

Published on by Nick Sullivan.

CC BY-ND 2.0 image image by Clinton Steeds CloudFlare is always trying to improve customer experience by adopting the latest and best web technologies so that our customers (and their visitors) have a fast and a secure web browsing experience. More and more web sites are now using HTTPS