2022-08-01
After the recent announcement regarding WASI support in Workers I decided to see what it would take to get code written in Zig to run as a Worker, and it turned out to be pretty trivial. This post documents the process I followed...
2022-07-26
In this blog post I'll share my journey deep into the Linux networking stack, trying to understand the memory and window management of the receiving side of a TCP connection...
2022-07-25
Cloudflare Deployment in Guam - Delivering a Better Internet for Faraway Pacific Ocean Archipelagos Residents...
2022-07-19
We learnt a lot about Kafka on the way to 1 trillion messages, and built some interesting internal tools to ease adoption that will be explored in this blog post...
2022-07-18
A crash in a development version of flowtrackd (the daemon that powers our Advanced TCP Protection) highlighted the fact that libxdp (and specifically the AF_XDP part) was not Linux network namespace aware. This blogpost describes the debugging journey to find the bug, as well as a fix....
2022-07-15
Besides following a docs-as-code approach, at Cloudflare we handle our documentation changes in a public repository. The contributions we get from the entire Cloudflare community help us make our documentation better every day...
2022-07-14
We show how the July 11-12 James Webb Telescope images that were revealed had an impact on DNS traffic in NASA and ESA websites, video and image hosting platforms, and news websites. The ‘cosmic’ results may be surprising...
2022-07-14
We named the botnet that launched the 26M rps (requests per second) DDoS attack "Mantis" as it is also like the Mantis shrimp, small but very powerful...
2022-07-13
Cloudflare is proud to announce the first 35,000 trees from our commitment to help clean up bad bots (and the climate) have been planted...
2022-07-12
With Event Scheduling for Waiting Room, you can protect your servers from being overloaded during your event while delivering a user experience that is unique to the occasion and consistent with your brand...
2022-07-11
Location-Aware DDoS Protection is now available in beta for Cloudflare Enterprise customers that are subscribed to the Advanced DDoS service...
2022-07-08
On Tuesday, the US National Institute of Standards and Technology (NIST) announced which post-quantum cryptography they will standardize. We were already drafting this post with an educated guess on the choice NIST would make....
2022-07-08
An outage at one of the largest ISPs in Canada, Rogers Communications, started earlier today, July 8, 2022, and is ongoing (eight hours and counting), and is impacting businesses and consumers....
2022-07-08
Automatic Signed Exchanges may dramatically boost your site visitor numbers...
2022-07-07
Today, we are announcing experimental support for WASI (the WebAssembly System Interface) on Cloudflare Workers and support within wrangler2 to make it a joy to work with...
2022-07-07
Cloudflare is expanding our WAF’s threat intelligence capabilities by adding four new managed IP lists that can be used as part of any custom firewall rule...
2022-07-06
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...
2022-07-05
In this post, we review selected Internet disruptions observed by Cloudflare during the second quarter of 2022, supported by traffic graphs from Cloudflare Radar and other internal Cloudflare tools, and grouped by associated cause or common geography...
2022-07-05
In this post we go over improvements to script status, metadata and categorization....
2022-07-04
Here’s a short list of recent technical blog posts to give you something to read today...
