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Cloudflare’s approach to handling BMC vulnerabilities

In recent years, management interfaces on servers like a Baseboard Management Controller (BMC) have been the target of cyber attacks including ransomware, implants, and disruptive operations. Common BMC vulnerabilities like Pantsdown and USBAnywhere, combined with infrequent firmware updates, have left servers vulnerable.We were recently informed from...

How we treat content as a product

At Cloudflare, we talk a lot about how to help build a better Internet. On the Product Content Experience (PCX) team, we treat content like a product that represents and fulfills this mission. Our vision is to create world-class content that anticipates user needs and helps build accessible Cloudflare products. We believe we can impact the Cloudflare...

Dig through SERVFAILs with EDE

It can be frustrating to get errors (SERVFAIL response codes) returned from your DNS queries. It can be even more frustrating if you don’t get enough information to understand why the error is occurring or what to do next. That’s why back in 2020, we launched support for Extended DNS Error (EDE) Codes to 1.1.1.1.As a quick refresher, EDE codes are a...

How we improved DNS record build speed by more than 4,000x

This post is also available in 简体中文, 日本語, Español. Since my previous blog about Secondary DNS, Cloudflare's DNS traffic has more than doubled from 15.8 trillion DNS queries per month to 38.7 trillion. Our network now spans over 270 cities in over 100 countries, interconnecting with more than 10,000 networks globally. According to w3 stats, “Cloudflare...

Cloudflare Middle East & Turkey: a path to growth

This post is also available in عربي. I am excited to announce that I have joined Cloudflare as Managing Director for the Middle East and Turkey (MET) region. Having worked in the domain of cyber security for more than two decades, I can see that Cloudflare is genuine in its mission of building a better Internet that is fast, safe and reliable for everyone....

Cloudflare achieves key cloud computing certifications — and there’s more to come

Back in the early days of the Internet, you could physically see the hardware where your data was stored. You knew where your data was and what kind of locks and security protections you had in place. Fast-forward a few decades, and data is all “in the cloud”. Now, you have to trust that your cloud services provider is putting security precautions in...

Wendy Komadina: No one excited me more than Cloudflare, so I joined.

I joined Cloudflare in March to lead Partnerships & Alliances for Asia Pacific, Japan, and China (APJC). In the last month I’ve been asked many times: “Why Cloudflare?” I’ll be honest, I’ve had opportunities to join other technology companies, but no other organization excited me more than Cloudflare. So I jumped. And I couldn’t be more thrilled...

Monitoring our monitoring: how we validate our Prometheus alert rules

BackgroundWe use Prometheus as our core monitoring system. We’ve been heavy Prometheus users since 2017 when we migrated off our previous monitoring system which used a customized Nagios setup. Despite growing our infrastructure a lot, adding tons of new products and learning some hard lessons about operating Prometheus at scale, our original architecture...

Eurovision 2022, the Internet effect version

There’s only one song contest that is more than six decades old and not only presents many new songs (ABBA, Celine Dion, Julio Iglesias and Domenico Modugno shined there), but also has a global stage that involves 40 countries — performers represent those countries and the public votes. The 66th edition of the Eurovision Song Contest, in Turin, Italy,...

Internship Experience: Software Development Intern

Before we dive into my experience interning at Cloudflare, let me quickly introduce myself. I am currently a master’s student at the National University of Singapore (NUS) studying Computer Science. I am passionate about building software that improves people’s lives and making the Internet a better place for everyone. Back in December 2021, I joined...

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