by Tom Arnfeld

Cloudflare is now well into its 6th year and providing authoritative DNS has been a core part of infrastructure from the start. We’ve since grown to be the largest and one of the fastest managed DNS services on the Internet…

by John Graham-Cumming

At midnight UTC on New Year’s Day, deep inside Cloudflare’s custom RRDNS software, a number went negative when it should always have been, at worst, zero. A little later this negative value…

by Joshua Liebow-Feeser

About a month ago, security researcher Omer Gil published the details of an attack that he calls the Web Cache Deception attack. It works against sites that sit behind a reverse…

by Patrick R. Donahue

If you’re running a SaaS company, you know how important it is that your application is performant, highly available, and hardened against attack. Your customers — and your revenue stream — depend on it. Putting your app behind a solution…

ARM Takes Wing: Qualcomm vs. Intel CPU comparison

by Vlad Krasnov

How Cloudflare analyzes 1M DNS queries per second

by Marek Vavruša