A Very WebP New Year from Cloudflare
2016-12-21
Cloudflare has an automatic image optimization feature called Polish, available for paid plan users. It recompresses images and stripping excess data, speeding up delivery to browsers....
Manage Cloudflare records with Salt
2016-12-14
We use Salt to manage our ever growing global fleet of machines. Salt is great for managing configurations and being the source of truth. We use it for remote command execution and for network automation tasks....
Cloudflare Acquires Eager to Reimagine Apps
2016-12-13
In 2011 we launched the Cloudflare Apps platform in an article that described Cloudflare as “not ... the sexiest business in the world.” Sexy or not, Cloudflare has since grown from the 3.5 billion pageviews a month we were doing then to over 1.3 trillion per month today. ...
We Were Acquired by Cloudflare, Here’s What’s Next
2016-12-13
Like most of you, I first heard of Cloudflare via this blog. I read about HTTP/2, Railgun, the Hundredth Data Center, and Keyless SSL — but I never thought I would work here. I, along with my co-founder Adam, and our friends and coworkers were hard at work building something very different. ...
Caching Anonymous Page Views
2016-12-12
The load time of your website not only affects your search engine rankings, but is also correlated to the conversion rate on your site....
Debugging war story: the mystery of NXDOMAIN
2016-12-07
The following blog post describes a debugging adventure on Cloudflare's Mesos-based cluster. This internal cluster is primarily used to process log file information so that Cloudflare customers have analytics, and for our systems that detect and respond to attacks....
TLD glue sticks around too long
2016-12-05
Recent headline grabbing DDoS attacks provoked heated debates in the DNS community. Everyone has strong opinions on how to harden DNS to avoid downtime in the future. Is it better to use a single DNS provider or multiple? ...
Will autocrats ever learn? - The Internet Blackout in Gambia
2016-12-02
On Wednesday afternoon, Cloudflare and other Internet companies noticed that the West African country of The Gambia had dropped off the Internet - the day before the presidential election that was planned to be held there on Thursday, December 1st. ...
The Daily DDoS: Ten Days of Massive Attacks
2016-12-02
Back in March my colleague Marek wrote about a Winter of Whopping Weekend DDoS Attacks where we were seeing 400Gbps attacks occurring mostly at the weekends. We speculated that attackers were busy with something else during the week....
Not one, not two, but three undersea cables cut in Jersey
2016-11-30
Sometime before midnight Monday (UK local time) a ship dropped its anchor and broke, not one, not two, but three undersea cables serving the island of Jersey in the English Channel. ...
HPACK: the silent killer (feature) of HTTP/2
2016-11-28
If you have experienced HTTP/2 for yourself, you are probably aware of the visible performance gains possible with HTTP/2 due to features like stream multiplexing, explicit stream dependencies, and Server Push. ...
98.01% of sites on Cloudflare now use IPv6
2016-11-21
It's 2016 and almost every site using Cloudflare (more than 4 million of them) is using IPv6. Cloudflare sees significant IPv6 traffic globally where networks have enabled IPv6 to the consumer....
Arribem a Barcelona! Cloudflare’s 101st data center
2016-11-14
Hola Barcelona! The land of Antoni Gaudí, Salvador Dalí, Ferrán Adriá and Lionel Messi is now also home to Cloudflare. Located alongside the Mediterranean, Barcelona, is the capital of the autonomous community of Catalonia....
Generating Documentation for TypeScript Projects
2016-11-12
Traditionally, JavaScript docs use code comments. This post explores generating documentation directly from TypeScript source code, a more efficient alternative....
The Internet is Hostile: Building a More Resilient Network
2016-11-08
The strength of the Internet is its ability to interconnect all sorts of networks — big data centers, e-commerce websites at small hosting companies, Internet Service Providers (ISP), and Content Delivery Networks (CDN) — just to name a few. ...
Cloudflare Crypto Meetup #4: November 22
2016-11-02
Come join us on Cloudflare HQ in San Francisco on Tuesday, November 22 for another cryptography meetup. We had such a great time at the last one, we decided to host another....
How the Dyn outage affected Cloudflare
2016-10-27
Last Friday the popular DNS service Dyn suffered three waves of DDoS attacks that affected users first on the East Coast of the US, and later users worldwide. ...
How Cloudflare's Architecture Allows Us to Scale to Stop the Largest Attacks
2016-10-26
The last few weeks have seen several high-profile outages in legacy DNS and DDoS-mitigation services due to large scale attacks. Cloudflare's customers have, understandably, asked how we are positioned to handle similar attacks....
Dyn issues affecting joint customers
2016-10-21
Today there is an ongoing, large scale Denial-of-Service attack directed against Dyn DNS. While Cloudflare services are operating normally, if you are using both Cloudflare and Dyn services, your website may be affected....
TLS nonce-nse
2016-10-12
One of the base principles of cryptography is that you can't just encrypt multiple messages with the same key. At the very least, what will happen is that two messages that have identical plaintext will also have identical ciphertext, which is a dangerous leak. ...