It’s well known that SHA-1 is no longer considered a secure cryptographic hash function. Researchers now believe that finding a hash collision (two values that result in the same value when SHA-1 is applied) is inevitable and likely to happen in a matter of months. This poses a potential threat to trust on the web, […]
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A Different Kind of POP: The Joomla Unserialize Vulnerability
At CloudFlare, we spend a lot of time talking about the PoPs (Points of Presence) we have around the globe, however, on December 14th, another kind of POP came to the world: a vulnerability being exploited in the wild against Joomla’s Content Management System. This is known as a zero day attack, where it has […]
HTTP/2 Demo: Under the Hood
At first glance, the potential performance improvements of HTTP/1.1 versus HTTP/2 on our demo page may seem a bit hard to believe. So, we put together a technical explanation of how this demo actually works. We’d also like to credit the Gophertiles demo, which served as a basis for our own HTTP/2 demo. Overview A […]
SHA-1 Deprecation: No Browser Left Behind
After December 31, 2015, SSL certificates that use the SHA-1 hash algorithm for their signature will be declared technology non grata on the modern Internet. Google’s Chrome browser has already begun displaying a warning for SHA-1 based certs that expire after 2015. Other browsers are mirroring Google and, over the course of 2016, will begin […]
Tools for debugging, testing and using HTTP/2
With CloudFlare’s release of HTTP/2 for all our customers the web suddenly has a lot of HTTP/2 connections. To get the most out of HTTP/2 you’ll want to be using an up to date web browser (all the major browsers support HTTP/2). But there are some non-browser tools that come in handy when working with […]
HTTP/2 is here! Goodbye SPDY? Not quite yet
Why choose, if you can have both? Today CloudFlare is introducing HTTP/2 support for all customers using SSL/TLS connections, while still supporting SPDY. There is no need to make a decision between SPDY or HTTP/2. Both are automatically there for you and your customers. Enabling HTTP/2 If you are a customer on the Free or […]
CloudFlare is now PCI 3.1 certified
The Payment Card Industry Data Security Standard (PCI DSS) is a global financial information security standard that keeps credit card holders safe. It ensures that any company processing credit card transactions adheres to the highest technical standards. PCI certification has several levels. Level one (the highest level) is reserved for those companies that handle the […]
Ben Fathi: Why I Joined CloudFlare
I’m sure some of you are scratching your head right about now wondering why I would join an Internet security and optimization company. But, Ben, this is not even close to your passion: operating systems. I had the same reaction when I first saw the CloudFlare website. I wasn’t even sure it made sense for […]
Happy 5th Birthday, CloudFlare!
CloudFlare customers recorded videos to celebrate our first five years Today is September 27, 2015. It’s a rare Super Blood Moon. And it’s also CloudFlare’s birthday. CloudFlare launched 5 years ago today. It was a Monday. While Michelle, Lee, and I had high expectations, we would never have imagined what’s happened since then. In the […]
Why we raised $110m from Fidelity, Google, Microsoft, Baidu and Qualcomm
The past few years have been marked by tremendous growth for CloudFlare. At the time of our last fundraising in December 2012, CloudFlare was a team of 37 operating a network in 23 cities and 15 countries—today we number over 200 with a presence in 62 cities and 33 countries. We’ve grown from delivering 85 […]
