February 01, 2017 2:57 PM
Nick Sullivan and I gave a talk about TLS 1.3 at 33c3, the latest Chaos Communication Congress. The congress, attended by more that 13,000 hackers in Hamburg, has been one of the hallmark events of the security community for more than 30 years....
January 30, 2017 7:46 PM
Cloudflare’s mission is to help build a better Internet. That means a faster, more secure, open Internet world-wide. We have millions of customers using our services like free SSL, an advanced WAF....
January 10, 2017 11:20 PM
Cloudflare is publishing today its seventh transparency report, covering the second half of 2016. For the first time, we are able to present information on a previously undisclosed National Security Letter (NSL) Cloudflare received in the 2013 reporting period. ...
January 10, 2017 1:52 PM
While working to make the Internet a better place, we also want to make it easier for our customers to have control of their content and APIs, and who has access to them. Using Cloudflare’s Token Authentication features, customers can implement access control via URL tokens or HTTP request headers....
January 09, 2017 2:08 PM
We extensively monitor our network and use multiple systems that give us visibility including external monitoring and internal alerts when things go wrong....
December 26, 2016 2:59 PM
Back when crypto/tls was slow and net/http young, the general wisdom was to always put Go servers behind a reverse proxy like NGINX. That's not necessary anymore!...
December 05, 2016 1:54 PM
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? ...
December 02, 2016 1:21 PM
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....
November 28, 2016 2:10 PM
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. ...
November 21, 2016 2:14 PM
It's 2016 and almost every site using Cloudflare (more than 4 million of them) is using IPv6. Because of this, Cloudflare sees significant IPv6 traffic globally where networks have enabled IPv6 to the consumer....
November 02, 2016 11:45 PM
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....
October 27, 2016 12:10 PM
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. ...
October 26, 2016 12:59 PM
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....
October 21, 2016 6:22 PM
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....
October 12, 2016 3:05 PM
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. ...
October 11, 2016 12:59 PM
Over the last few weeks we've seen DDoS attacks hitting our systems that show that attackers have switched to new, large methods of bringing down web applications....
September 30, 2016 7:56 PM
Cloudflare helps customers control their own traffic at the edge. One of two products that we introduced to empower customers to do so is Cloudflare Rate Limiting....
September 30, 2016 5:42 AM
When we launched Universal SSL in September 2014 we eliminated the costly and confusing process of securing a website or application with SSL, and replaced it with one free step: sign up for Cloudflare....
September 24, 2016 3:46 PM
CloudFlare's mission is to make HTTPS accessible for all our customers. It provides security for their websites, improved ranking on search engines, better performance with HTTP/2, and access to browser features such as geolocation that are being deprecated for plaintext HTTP....
