January 30, 2014
Over the past few years, the CloudFlare blog has covered a great range of different topics, drilling down into the technology we use to both protect websites from attack, and optimise them so that they load faster for visitors....
December 31, 2013
It's been a busy 2013 here at CloudFlare. By all external measures it was a terrific year. We grew page views, revenue and traffic across our network – all by more than 400%. We added terrific partners and high profile customers. ...
November 11, 2013
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....
August 27, 2013
At 1:19pm, a researcher noticed that the New York Times' website wasn't loading. We know the New York Times tech team, so we emailed to check in. Minutes later, the CTO of the NYT called us back. ...
August 27, 2013
About a year ago, we realized that CloudFlare's current DNS infrastructure had some challenges. We were using PowerDNS, an open source DNS server that is popular with hosting providers. ...
August 23, 2013
We use nginx throughout our network for front-line web serving, proxying and traffic filtering. In some cases, we've augmented the core C code of nginx with our own modules, but recently we've made a major move to using Lua in conjunction with nginx. One project that's now almo...
August 19, 2013
We just rolled out an update to CloudFlare's Web Application Firewall (WAF). Previously, CloudFlare's WAF has received criticism from people who have tested it and found that it didn't behave as traditional WAFs are expected to. ...
July 30, 2013
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 aro...
July 22, 2013
CloudFlare operates at a significant scale, handling more than a trillion requests through our network every month. ...
June 06, 2013
June 6th is known as World IPv6 Day so we thought it was a good time to look at the trends in IPv6 usage across CloudFlare's network. ...
April 11, 2013
There is currently a significant attack being launched at a large number of WordPress blogs across the Internet. The attacker is brute force attacking the WordPress administrative portals, using the username "admin" and trying thousands of passwords. ...
April 08, 2013
At CloudFlare, we're always looking for ways to eliminate bottlenecks. We're only able to deal with the very large amount of traffic that we handle because we've built a network that can efficiently handle an extremely high volume of network requests. ...
March 27, 2013
The New York Times this morning published a story about the Spamhaus DDoS attack and how CloudFlare helped mitigate it and keep the site online. The Times calls the attack the largest known DDoS attack ever on the Internet....
March 20, 2013
At CloudFlare, we deal with large DDoS attacks every day. Usually, these attacks are directed at large companies or organizations that are reluctant to talk about their details. Sometimes a customer is willing to let us tell their story....
March 13, 2013
When you think of San Francisco, undoubtedly one bridge in particular comes to mind - The Golden Gate Bridge....
March 06, 2013
CloudFlare had an hour-long outage this last weekend. Thankfully, outages like this have been a relatively rare occurrance for our service. ...
February 22, 2013
This has been a rough week in the security industry with big attacks and compromises reported at companies from Facebook to Apple. ...
February 14, 2013
CloudFlare's I'm Under Attack Mode (IUAM) is elegantly simple. When a site is under an application layer (Layer 7) distributed denial of service (DDoS) attack, the mode will return a challenge page to a visitor. ...
December 21, 2012
Looking at the latest DDoS attack statistics from CloudFlare's network, it seems that hackers love the holidays....
