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Moving from reCAPTCHA to hCaptcha

We recently migrated the CAPTCHA provider we use from Google’s reCAPTCHA to a service provided by the independent hCaptcha. We’re excited about this change because it helps address a privacy concern inherent to relying on a Google service that we’ve had for some time and also gives us more flexibility to customize the CAPTCHAs we…

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Internship Experience: Cryptography Engineer

Back in the summer of 2017 I was an intern at Cloudflare. During the scholastic year I was a graduate student working on automorphic forms and computational Langlands at Berkeley: a part of number theory with deep connections to representation theory, aimed at uncovering some of the deepest facts about number fields. I had also…

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Rolling With The Punches: Shifting Attack Tactics & Dropping Packets Faster & Cheaper At The Edge

On Cloudflare’s 8th birthday in 2017, we announced free unmetered DDoS Protection as part of all of our plans, regardless if you’re an independent blogger using WordPress on Cloudflare’s Free plan or part of a large enterprise operating global network infrastructures. Our DDoS protection covers attack vectors on Layers 3-7; whether highly distributed and volumetric…

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Remote work, regional lockdowns and migration of Internet usage

The recommendation for social distancing to slow down the spread of COVID-19 has led many companies to adopt a work-from-home policy for their employees in offices around the world, and Cloudflare is no exception.As a result, a large portion of Internet access shifted from office-focused areas, like city centers and business parks, towards more residential…

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Helping sites get back online: the origin monitoring intern project

The most impactful internship experiences involve building something meaningful from scratch and learning along the way. Those can be tough goals to accomplish during a short summer internship, but our experience with Cloudflare’s 2019 intern program met both of them and more! Over the course of ten weeks, our team of three interns (two engineering,…

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Cloudflare for SSH, RDP and Minecraft

Almost exactly two years ago, we launched Cloudflare Spectrum for our Enterprise customers. Today, we’re thrilled to extend DDoS protection and traffic acceleration with Spectrum for SSH, RDP, and Minecraft to our Pro and Business plan customers.When we think of Cloudflare, a lot of the time we think about protecting and improving the performance of…

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Comparing HTTP/3 vs. HTTP/2 Performance

We announced support for HTTP/3, the successor to HTTP/2 during Cloudflare’s birthday week last year. Our goal is and has always been to help build a better Internet. Collaborating on standards is a big part of that, and we’re very fortunate to do that here.Even though HTTP/3 is still in draft status, we’ve seen a…

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Offer of Assistance to Governments During COVID-19

As the COVID-19 emergency continues to affect countries and territories around the world, the Internet has been a key factor in providing information to the public. As businesses, organizations and government agencies adjust to this new normal, we recognize the strain that this pandemic has put on the groups working to assist in virus mitigation…

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