January 27, 2018 1:58 AM
As a startup founder, there are always key product decisions to be made when Site Search 360, our key product, is embedded in one context versus another. I’d like to share some experiences, choices, and challenges in our process packaging Site Search 360 for Cloudflare Apps....
January 15, 2018 1:49 PM
Here at Cloudflare, we have a lot of experience of operating servers on the wild Internet. But we are always improving our mastery of this black art. On this very blog we have touched on multiple dark corners of the Internet protocols: like understanding FIN-WAIT-2 or receive buffer tuning....
December 11, 2017 2:00 PM
Six years ago when I joined Cloudflare the company had a capital F, about 20 employees, and a software stack that was mostly NGINX, PHP and PowerDNS (there was even a little Apache). ...
November 13, 2017 10:31 AM
Not long ago I needed to benchmark the performance of Golang on a many-core machine. I took several of the benchmarks that are bundled with the Go source code, copied them, and modified them to run on all available threads....
November 07, 2017 10:15 AM
In a recent blog post we discussed epoll behavior causing uneven load among NGINX worker processes. We suggested a work around - the REUSEPORT socket option....
October 19, 2017 7:38 AM
Programming language Virtual Machines (VMs) are familiar beasts: we use them to run apps on our phone, code inside our browsers, and programs on our servers. ...
October 01, 2017 5:00 PM
Recently we launched an internal monthly Go Hack Night at our San Francisco office, open to anyone who works at Cloudflare regardless of their department or position. ...
September 29, 2017 1:01 PM
It all comes down to the speed of light. It always does. The speed of light limits the latency possible between someone using the Internet and the application they are accessing. ...
September 29, 2017 1:00 PM
You see this everywhere, but as a lifelong gamer, my personal favorite example is probably graphics cards. In the '90s, graphics hardware generally provided a fixed set of functionality. ...
September 23, 2017 12:01 AM
Back in May last year, one of my colleagues blogged about the introduction of our Python binding for the Cloudflare API and drew reference to our other bindings in Go and Node. Today we are complimenting this range by introducing a new official binding, this time in PHP....
September 01, 2017 8:48 PM
Most of today's cryptography is designed to be secure against an adversary with enormous amounts of computational power. This means estimating how much work certain computations require, and choosing cryptographic parameters based on our best estimates....
August 28, 2017 2:00 PM
On August 17th, 2017, multiple Content Delivery Networks (CDNs) and content providers were subject to significant attacks from a botnet dubbed WireX. ...
August 11, 2017 4:24 PM
Cloudflare hosted a developer preview workshop in Austin for Cloudflare Apps, taught by Zack Bloom, tech lead of Cloudflare Apps....
August 02, 2017 6:00 AM
When Tim Berners-Lee announced HTML in 1991 there was no method of styling pages. How a given HTML tag was rendered was determined by the browser, often with significant input from the user’s preferences...
July 21, 2017 8:01 AM
Cloudflare runs 3,588 containers, making up 1,264 apps and services that all need to be able to find and discover each other in order to communicate -- a problem solved with service discovery....
July 10, 2017 12:43 PM
At Cloudflare our focus is making the internet faster and more secure. Today we are announcing a new enhancement to our HTTPS service: High-Reliability OCSP stapling....
July 04, 2017 10:32 AM
In a recent blog post, my colleague Marek talked about some SSDP-based DDoS activity we'd been seeing recently. In that blog post he used a tool called mmhistogram to output an ASCII histogram....
June 28, 2017 3:45 PM
Last month we shared statistics on some popular reflection attacks. Back then the average SSDP attack size was ~12 Gbps....
June 27, 2017 1:01 PM
When we started Cloudflare we had no idea if anyone would validate our core idea. Our idea was that everyone should have the ability to be as fast and secure as the Internet giants like Google, Facebook, and Microsoft. Six years later, it's incredible how far that core idea has t...
