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.
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. "No matter what happens in life, be
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. The top IPv6 networks are shown here. The chart shows the percentage of IPv6 within a
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. Apple reports that “Most apps will not require any changes”, as these existing apps support IPv6 through Apple's
CloudFlare customers recorded videos to celebrate our first five years 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