2014-04-03

This post is about a new feature we've been quietly rolling out over the last few months. Last week we began enabling it for everyone by default. ...

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  Matthew Prince

2014-04-01

A cornerstone of CloudFlare's infrastructure is our ability to serve DNS requests quickly and handle DNS attacks. To do both those things we wrote our own authoritative DNS server called RRDNS in Go. ...

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  John Graham-Cumming

2014-03-17

At CloudFlare, security is on the top of our minds. We are always looking for ways to better secure the data we are entrusted with and improve the security of our customers' websites. ...

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  Elenitsa Staykova

2014-03-13

There are days when you feel quite ecstatic and know you have succeeded in completing each and every task set before you. Monday was one of those days - well nearly....

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  Martin J Levy

2014-03-12

This is a guest post from Rodney Gibbs. Rodney is the CIO of The Texas Tribune, a nonprofit media organization that covers public policy, politics, and government. ...

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  Guest Author

2014-03-11

No matter what your age, it's hard to believe that the World-Wide Web is 25 today. For the young the web has always been part of their lives, for the older it seems like it was invented only yesterday....

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  John Graham-Cumming

2014-03-11

At CloudFlare a lot of our customers use WordPress, that's why we have our own plugin, we hang out at WordCamp and we wrote a WordPress specific ruleset for our Web Application Firewall....

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  Simon Moore

2014-03-10

This blog post is dedicated to the memory of Dr. Scott Vanstone, popularizer of elliptic curve cryptography and inventor of the ECDSA algorithm. He passed away on March 2, 2014....

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  Nick Sullivan

2014-03-05

Some interesting changes related to timekeeping in the upcoming Go 1.3 release inspired us to take a closer look at how Go programs keep time with the help of the Linux kernel. Timekeeping is a complex topic and determining the current time isn’t as simple as it might seem at first glance....

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  Albert Strasheim

2014-02-28

When we need to transfer data from one program to another program, either within a machine or from one data center to another some form of serialization is needed....

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  Jiale Zhi

2014-02-27

On January 27, the Department of Justice and the Director of National Intelligence announced a change in rules governing the disclosure of National Security Orders....

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  Kenneth R. Carter

2014-02-24

We're excited to announce that Cloudflare has acquired the anti-malware firm StopTheHacker. I wanted to share a little bit about the rationale behind the acquisition and what to expect from the two teamed up companies going forward....

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  Matthew Prince

2014-02-23

On Monday, February 10th, CloudFlare experienced a large DDoS attack, with nearly 400Gbps of NTP attack traffic hitting our network. ...

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  Jérôme Fleury

2014-02-17

Back in June 2012 CloudFlare started a beta rollout of Google's then new SPDY protocol and we took a detailed look at how SPDY makes web sites faster....

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  John Graham-Cumming

2014-02-14

At CloudFlare, we are always looking for ways to improve the security of our customers’ websites. One of the features we provide is the ability to serve their website encrypted over SSL/TLS. ...

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  Nick Sullivan

2014-02-13

On Monday we mitigated a large DDoS that targeted one of our customers. The attack peaked just shy of 400Gbps. We've seen a handful of other attacks at this scale, but this is the largest attack we've seen that uses NTP amplification....

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  Matthew Prince

2014-01-30

Each day at CloudFlare is full of surprises. As it turns out, it takes a lot of work to stop massive attacks and to help make the web faster. Over the past six months, our entire team has contributed in every way imaginable to more than double the capacity of our global network. ...

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  Nitin Rao

2014-01-30

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....

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  Sam Howson

2014-01-29

Back in 2011, the BEAST attack on the cipher block chaining (CBC) encryption mode used in TLS v1.0 was demonstrated. At the time the advice of experts (including our own) was to prioritize the use of RC4-based cipher suites....

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  Piotr Sikora

2014-01-27

The Department of Justice and the Director of National Intelligence announced a change in rules governing the disclosure of National Security Orders, including National Security Letters (NSLs)....

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  Kenneth R. Carter