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March 04, 2019 4:00PM
In the previous post we described the Firewall Rules architecture and how the different components are integrated together. We created a configurable Rust library for writing and executing Wireshark®-like filters in different parts of our stack written in Go, Lua, C, C++ and JavaScript Workers....
September 10, 2018 9:21AM
Back in 2015 we deployed ECMP routing - Equal Cost Multi Path - within our datacenters. This technology allowed us to spread traffic heading to a single IP address across multiple physical servers....
August 16, 2018 3:01PM
Android 9 Pie includes a slew of new features around digital well-being and privacy. Here's how to use the new Private DNS feature with 1.1.1.1....
July 19, 2018 12:03AM
At the end of 2017, Xinhua reported that there will be 200 Million IPv6 users inside Mainland China by the end of this year.. Halfway into the year, we’re seeing a rapid growth in IPv6 users and traffic originating from Mainland China....
March 29, 2018 10:43AM
A friend gave me an interesting task: extract IP TTL values from TCP connections established by a userspace program. This seemingly simple task quickly exploded into an epic Linux system programming hack....
December 21, 2017 2:01PM
At the end of 2016, I wrote a blog post with seven predictions for 2017. Let’s start by reviewing how I did. I’ll score myself with two points for being correct, one point for mostly right and zero for wrong. That’ll give me a maximum possible score of fourteen. Here goes......
May 25, 2017 5:30PM
At Cloudflare we believe in being good to the Internet and good to our customers. By moving on from the legacy world of IPv4-only to the modern-day world where IPv4 and IPv6 are treated equally, we believe we are doing exactly that....
November 21, 2016 2:14PM
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....
June 07, 2016 6:55PM
Early last month Apple announced that all apps submitted to the Apple Store June 1 forward would need to support IPv6-only networking as they transition to IPv6-only network services in iOS 9....
September 28, 2015 2:00AM
Today is September 27, 2015. It's a rare Super Blood Moon. And it's also CloudFlare's birthday. CloudFlare launched 5 years ago today. It was a Monday. While Michelle, Lee, and I had high expectations, we would never have imagined what's happened since then....
September 02, 2015 10:15AM
CloudFlare constantly tries to stay on the leading edge of Internet technologies so that our customers' web sites use the latest, fastest, most secure protocols. For example, in the past we've enabled IPv6 and SPDY/3.1....
June 11, 2015 10:31AM
Thousands of developers use CloudFlare to accelerate and secure the backend of their mobile applications and websites. This week is WWDC, where thousands of Apple developers come to San Francisco to talk, learn and share best practices for developing software for Apple platforms....
June 05, 2015 6:42PM
Over the past four years CloudFlare has helped well over two million websites join the modern web, making us one of the fastest growing providers of IPv6 web connectivity on the Internet....
February 04, 2015 2:16PM
Last week, a very small number of our users who are using IP tunnels (primarily tunneling IPv6 over IPv4) were unable to access our services because a networking change broke "path MTU discovery" on our servers....
September 27, 2014 11:11AM
Since CloudFlare launched to the public four years ago today, we've always considered September 27th our birthday. We like to celebrate by doing something nice for our team and also for our customers....
