https://sudonull.com/http-latency-diagnostics-from-nginx-to-the-kernel
Searching for causes of latency in the HTTP pipeline. Analysis of Nginx logs, Server-Timing, and TCP_INFO for quick localization of bottlenecks.
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https://sudonull.com/backdoor-in-wait4-linux-kernel-vulnerability
Analysis of a real backdoor in the Linux kernel from 2003: how an assignment error in wait4() opened root access. Lessons for developers: code review, Git, fuzzing. Study the details of the attack.
https://sudonull.com/windows-kernel-policy-only-whcp-drivers-from-2026
Microsoft tightens driver trust in Windows 11 and Server 2025 kernel. Rejection of outdated certificates, audit mode, AppLocker. Details of changes for developers and admins — read and prepare.
https://sudonull.com/optimaos-on-rust-single-kernel-for-all-platforms
Explore OptimaOS architecture — kernel on Rust without forks for desktop, servers and Edge. Separation of mechanisms/policies, Linux ABI, memory safety. Detailed breakdown for developers.
https://sudonull.com/anticheats-user-mode-and-kernel-mode-limitations
Breakdown of anticheat levels, DLL injection detection and DMA. Technical principles for developers. Study the weaknesses and evolution of game protection systems.
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