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Is BGP Safe Yet? No. But we are tracking it carefully

BGP leaks and hijacks have been accepted as an unavoidable part of the Internet for far too long. We relied on protection at the upper layers like TLS and DNSSEC to ensure an untampered delivery of packets, but a hijacked route often results in an unreachable IP address. Which results in an Internet outage. The…

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Helping with COVID-19 Projects: Cloudflare Workers now free through Project Galileo

The Internet has been vital to our response to the COVID-19 crisis: enabling researchers to communicate with the rest of the world, connecting resources with people who need them, and sharing data about the spread. It’s been amazing to see some of the projects people have stood up on Cloudflare Workers to assist during this…

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When I Knew Cloudflare Was the Right Place For Me

Let’s be honest, interviewing for a new job can be a long, difficult process. Not only is it emotionally draining to handle multiple rejections, slow responses, and prolonged processes, it can be physically exhausting to sit through hours of stale interviews. A former colleague of mine compared interviewing to navigating a jungle; one misstep here,…

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? The Wrangler CLI: Deploying Rust with WASM on Cloudflare Workers

Wrangler is a CLI tool for building Rust WebAssembly WorkersToday, we’re open sourcing and announcing wrangler, a CLI tool for building, previewing, and publishing Rust and WebAssembly Cloudflare Workers. If that sounds like some word salad to you, that’s a reasonable reaction. All three of the technologies involved are relatively new and upcoming: WebAssembly, Rust,…

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Spectrum for UDP: DDoS protection and firewalling for unreliable protocols

Today, we’re announcing Spectrum for UDP. Spectrum for UDP works the same as Spectrum for TCP: Spectrum sits between your clients and your origin. Incoming connections are proxied through, whilst applying our DDoS protection and IP Firewall rules. This allows you to protect your services from all sorts of nasty attacks and completely hides your…

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A Full CI/CD Pipeline for Workers with Travis CI

In today’s post we’re going to talk about building a CI/CD pipeline for Cloudflare Worker’s using Travis CI. If you aren’t yet aware, Cloudflare Workers allow you to run Javascript in all 165 of our data centers, and they deploy globally in about 30 seconds. Learn more here. There are a few steps before we…

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Writing an API at the Edge with Workers and Cloud Firestore

We’re super stoked about bringing you Workers.dev, and we’re even more stoked at every opportunity we have to dogfood Workers. Using what we create keeps us tuned in to the developer experience, which takes a good deal of guesswork out of drawing our roadmaps. Our goal with Workers.dev is to provide a way to deploy…

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Monsters in the Middleboxes: Introducing Two New Tools for Detecting HTTPS Interception

The practice of HTTPS interception continues to be commonplace on the Internet. HTTPS interception has encountered scrutiny, most notably in the 2017 study “The Security Impact of HTTPS Interception” and the United States Computer Emergency Readiness Team (US-CERT)  warning that the technique weakens security. In this blog post, we provide a brief recap of HTTPS…

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