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Here’s a short list of recent technical blog posts to give you something to read today. Internet Explorer, we hardly knew ye Microsoft has announced the end-of-life for the venerable Internet Explorer browser. Here we take a look at the…
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…
Managed Transforms is the next step on a journey 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…
On May 19, 2021, a Microsoft blog post announced that “The future of Internet Explorer on Windows 10 is in Microsoft Edge” and that “the Internet Explorer 11 desktop application will be retired and go out of support on June…
Linux Security Modules (LSM) is a hook-based framework for implementing security policies and Mandatory Access Control in the Linux kernel. Until recently users looking to implement a security policy had just two options. Configure an existing LSM module such as…
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…
Content delivery on a massive scale often comes with massive challenges. One of these is controlling the load on the origin servers. Usually, most systems are designed with a centralized origin service that is responsible for producing the required content…
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,…
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 connection time, time to first byte, time to last byte), and on different measures (p95,…
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…