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July 18, 2022 1:56PM
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....
July 01, 2022 2:00PM
Deep Dive TCP Latency OptimizationIn this post, we describe how we modified the Linux kernel to optimize for both low latency and high throughput concurrently...
June 29, 2022 12:45PM
Linux Security Deep Dive ProgrammingLearn how to patch Linux security vulnerabilities without rebooting the hardware and how to tighten the security of your Linux operating system with eBPF Linux Security Module...
June 28, 2022 1:57PM
Deep Dive Side Channel Hertzbleed SIKE ResearchHertzbleed is a brand-new family of side-channel attacks that monitors changes on CPU frequency...
June 24, 2022 2:45PM
Cloudflare One Week VDI Security Zero Trust Deep DiveThis blog offers Cloudflare’s perspective on how remote browser isolation can help organizations offload internal web application use cases currently secured by virtual desktop infrastructure (VDI)...
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April 27, 2022 3:02PM
Earlier this month, Cloudflare’s systems automatically detected and mitigated a 15.3 million request-per-second (rps) DDoS attack — one of the largest HTTPS DDoS attacks on record...
