// Blog
Updates, new packages, and technical notes from deb.myguard.nl
NGINX ModSecurity Setup on Debian and Ubuntu: WAF with OWASP Core Rule Set
ModSecurity v3 with the OWASP CRS blocks SQL injection, XSS, shell injection, and scanner traffic at the HTTP layer. This guide covers installation, CRS paranoia levels, WordPress tuning, false positive handling, and performance impact.
NGINX vs Apache Benchmark 2026: Performance, Memory and Real-World Throughput
NGINX beats Apache at static files and high concurrency; Apache wins on .htaccess flexibility and legacy app compatibility. Benchmark tables for static files, PHP-FPM, TLS handshakes, and memory under load.
How to Enable HTTP/3 on NGINX for Debian and Ubuntu (QUIC Guide 2026)
HTTP/3 runs on QUIC over UDP, eliminating TCP head-of-line blocking and enabling 0-RTT connection resumption. This guide covers installation, configuration, 0-RTT security, load balancer setup, and performance tuning.
openssl-nginx 4.0.0
Version 4.0.0 — 2026-05-12 Changes MIGRATION TO OpenSSL 4.0.0 (2026-05-12): – Upgraded from OpenSSL 3.5.6 to OpenSSL 4.0.0 – Session lookup callback…
OpenSSL 4.0 for NGINX: Upgrading openssl-nginx from 3.x to 4.0 — What Changes and Why It Matters
We just upgraded our openssl-nginx package from OpenSSL 3.x to OpenSSL 4.0. This guide explains what openssl-nginx is, what changed in version 4.0, the real pros and cons of upgrading, and how to do it safely on your Debian or Ubuntu server.
zstd-nginx-module: What Broke, What We Fixed, and Why It Matters
The first audit found 22 issues, but the last two weeks of git history added 14 more issue-level fixes. This updated guide covers the full 36-issue fork-window story, the runtime and build bugs, and the CI tests now guarding the module.
Angie Web Server: The Complete Guide — Review, ACME, Migration, API and HTTP/3
Everything about Angie in one place: what it adds over NGINX (native ACME, JSON API, dynamic upstreams, monthly releases), how it performs, how to migrate from NGINX in five minutes, full ACME certificate setup, Prometheus monitoring, and a side-by-side comparison with NGINX Plus.
The Enigma Machine: How Nazi Germany’s “Unbreakable” Code Got Absolutely Demolished
Nazi Germany built a cipher machine with 158 quintillion possible settings and called it unbreakable. They were wrong. Here’s the full story of the Enigma machine, the brilliant misfits at Bletchley Park who cracked it, and why the whole thing matters for every padlock icon in your browser today.
Post-Quantum Cryptography with NGINX and Angie: ML-KEM, Hybrid TLS and Why Your HTTPS Needs a Quantum Upgrade
ML-KEM (Kyber) is in OpenSSL 3.5. Chrome has shipped hybrid X25519+ML-KEM since 2024. Here is what post-quantum TLS actually is, why it matters before quantum computers exist, and exactly how to configure NGINX and Angie for hybrid PQC key exchange today.
TLS Configuration for NGINX and Angie: The Complete Guide to Getting A+ on SSL Labs
Learn how to configure TLS for maximum security and achieve a perfect A+++ rating on SSLLabs. A comprehensive guide covering cipher selection, certificates, and cryptographic best practices.