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Announcing Turnstile, a user-friendly, privacy-preserving alternative to CAPTCHA
This post is also available in 简体中文, 日本語, Français, Deutsch, Português and Español. Today, we’re announcing the open beta of Turnstile, an invisible alternative to CAPTCHA. Anyone, anywhere on the Internet, who wants to replace CAPTCHA on their site will be able to call a simple API, without having to be a Cloudflare customer or sending traffic through the Cloudflare global network. Sign up here f
tokyoumare 2022/09/29
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SAD DNS Explained
This week, at the ACM CCS 2020 conference, researchers from UC Riverside and Tsinghua University announced a new attack against the Domain Name System (DNS) called SAD DNS (Side channel AttackeD DNS). This attack leverages recent features of the networking stack in modern operating systems (like Linux) to allow attackers to revive a classic attack category: DNS cache poisoning. As part of a coordi
tokyoumare 2020/11/14
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