Throughout Cloudflare One week, we provided playbooks on how to replace your legacy appliances with Zero Trust services. Using our own products is part of our team’s culture, and we want to share our experiences when we implemented Zero Trust. Our jou ey was similar to many of our customers. Not onl...

Zscaler has been building out its security offerings for 15 years. Cloudflare is 13 years old, and we have been delivering Zero Trust for the last four. This sounds like we are a late starter — but in this post, we’re going to show that on total Zero Trust, SSE, SASE and beyond, Cloudflare One funct...

If you’ve tuned into this blog for long enough, you’ll notice that we’re pretty big on using and stress-testing our own products (“dogfooding”) at Cloudflare.That applies to our security team, product teams, and – as my colleague Kristian just blogged about – even our documentation team. We’re incre...

In September 2021, we shared extensive benchmarking results of 1,000 networks all around the world. The results showed that on a range of tests (TCP co ection time, time to first byte, time to last byte), and on different measures (p95, mean), Cloudflare was the fastest provider in 49% of the top 1,...

A fundamental principle here at Cloudflare has always been that we want to serve everyone - from individual developers to small businesses to large corporations. In the earliest days, we provided services to hosting partners and resellers around the globe, who helped bring Cloudflare to thousands of...

You may have heard a bit about the Hertzbleed attack that was recently disclosed. Fortunately, one of the student researchers who was part of the team that discovered this vulnerability and developed the attack is spending this summer with Cloudflare Research and can help us understand it better.The...

Linux Security Modules (LSM) is a hook-based framework for implementing security policies and Mandatory Access Control in the Linux ke el. Until recently users looking to implement a security policy had just two options. Configure an existing LSM module such as AppArmor or SELinux, or write a custom...

On May 19, 2021, a Microsoft blog post a ounced that “The future of Inte et Explorer on Windows 10 is in Microsoft Edge” and that “the Inte et Explorer 11 desktop application will be retired and go out of support on June 15, 2022, for certain versions of Windows 10.” According to an associated FAQ p...

Managed Transforms is the next step on a jou ey to make HTTP header modification a trivial task for our customers. In early 2021 the only way for Cloudflare customers to modify HTTP headers was by writing a Cloudflare Worker. We heard from numerous customers who wanted a simpler way.In June 2021 we ...

Here at Cloudflare we're constantly working on improving our service. Our engineers are looking at hundreds of parameters of our traffic, making sure that we get better all the time.One of the core numbers we keep a close eye on is HTTP request latency, which is important for many of our products. W...

Here’s a short list of recent technical blog posts to give you something to read today.Inte et Explorer, we hardly knew yeMicrosoft has a ounced the end-of-life for the venerable Inte et Explorer browser. Here we take a look at the demise of IE and the rise of the Edge browser. And we investigate ho...

Last year during CIO week, we a ounced Page Shield in general availability. Today, we talk about improvements we’ve made to help Page Shield users focus on the highest impact scripts and get more value out of the product. In this post we go over improvements to script status, metadata and categoriza...

Cloudflare operates in more than 270 cities in over 100 countries, where we interco ect with over 10,000 network providers in order to provide a broad range of services to millions of customers. The breadth of both our network and our customer base provides us with a unique perspective on Inte et re...

Welcome to our 2022 Q2 DDoS report. This report includes insights and trends about the DDoS threat landscape — as observed across the global Cloudflare network. An interactive version of this report is also available on Radar.In Q2, we’ve seen some of the largest attacks the world has ever seen incl...

Cloudflare Email Routing has quickly grown to a few hundred thousand users, and we’re incredibly excited with the number of feature requests that reach our product team every week. We hear you, we love the feedback, and we want to give you all that you’ve been asking for. What we don’t like is makin...

Here at Cloudflare we often talk about HTTP and related protocols as we work to help build a better Inte et. However, the Simple Mail Transfer Protocol (SMTP) — used to send emails — is still a massive part of the Inte et too.Even though SMTP is tu ing 40 years old this year, most businesses still r...

This post is also available in 简体中文, 日本語, Français, Español. When we a ounced Cloudflare Images to the world, we introduced a way to store images within the product and help customers move away from the egress fees met when using remote sources for their deliveries via Cloudflare.To store the images...

There is a famous quote attributed to a Netscape engineer: “There are only two difficult problems in computer science: cache invalidation and naming things.” While naming things does oddly take up an inordinate amount of time, cache invalidation shouldn’t. In the past we’ve written about Cloudflare’...

We have been operating an IPFS gateway for the last four years. It started as a research experiment in 2018, providing end-to-end integrity with IPFS. A year later, we made IPFS content faster to fetch. Last year, we a ounced we were committed to making IPFS gateway part of our product offering. Thr...

Four years ago, Cloudflare went Interplanetary by offering a gateway to the IPFS network. This meant that if you hosted content on IPFS, we offered to make it available to every user of the Inte et through HTTPS and with Cloudflare protection. IPFS allows you to choose a storage provider you are com...