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September 18, 2014
Announcing Keyless SSL™: All the Benefits of CloudFlare Without Having to Turn Over Your Private SSL Keys
CloudFlare is an engineering-driven company. This is a story we're proud of because it embodies the essence of who we are: when faced with a problem, we found a novel solution. ...
August 05, 2014
CloudFlare Now Supports WebSockets
I'm pleased to announce that CloudFlare now supports WebSockets. The ability to protect and accelerate WebSockets has been one of our most requested features....
July 29, 2014
Experimenting with mozjpeg 2.0
One of the services that CloudFlare provides to paying customers is called Polish. Polish automatically recompresses images cached by CloudFlare to ensure that they are as small as possible and can be delivered to web browsers as quickly as possible....
July 10, 2014
Introducing CFSSL - CloudFlare's PKI toolkit
Today we’re proud to introduce CFSSL—our open source toolkit for everything TLS/SSL. CFSSL is used internally by CloudFlare for bundling TLS/SSL certificates chains, and for our internal Certificate Authority infrastructure....
June 13, 2014
New .uk domains now supported
On the 10th of June, the UK domain registry Nominet made available second-level domain namespace to the public, allowing anyone to register a domain ending with simply .uk...
May 07, 2014
Killing RC4: The Long Goodbye
At CloudFlare we spend a lot of time thinking about the best way to keep our customers’ data safe. Despite recent troubles, HTTPS is still the best way to deliver encrypted content for the web. ...
November 11, 2013
What we've been doing with Go
Almost two years ago CloudFlare started working with Go. What started as an experiment on one network and concurrency heavy project has turned into full, production use of Go for multiple services....
March 22, 2013
Page Rules Reordering Now Available
Page Rules are powerful tools for controlling how CloudFlare works on your site on a page-by-page basis. Customers customize CloudFlare with Page Rules based on their specific needs....
March 06, 2013
Load Balancing without Load Balancers
CloudFlare had an hour-long outage this last weekend. Thankfully, outages like this have been a relatively rare occurrance for our service. ...
February 26, 2013
CloudFlare's Railgun: Easier Than Ever
Over the next few days we have a number of announcements regarding CloudFlare's Railgun technology. We wanted to begin, however, with what is in some ways the end: the ways in which you can take advantage of Railgun yourself....
January 18, 2013
WordPress London Meetup January 2013
Last night I gave a short presentation about how to use CloudFlare with WordPress sites to about 60 people attending the WordPress London Meetup. CloudFlare was happy to be sponsor of the event providing drinks, beers and lots and lots of pizza. The meetup was held at the Google ...
December 21, 2012
Railgun in the real world: faster web page load times
To solve that problem CloudFlare came up with a delta compression technique that recognizes that even dynamically-generated or personalized pages change only a little over time or between users....
November 28, 2012
Choosing a Two-Factor Authentication System
We've been thinking about how to best implement two-factor authentication to better protect our customers' accounts for quite some time now. When, about 6 months ago, my account was targeted by hackers the importance of a good account security became clear. ...
August 28, 2012
Turning "I'm Under Attack" into "I'm Doing Some Good"
CloudFlare's I'm Under Attack mode allows our customers to, at the click of a button, tell us that they are experiencing an attack and enable automatic protection. It works by slowing down visits to the web site that's under attack and performing extra work to identify malicious ...