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Monitoring & security, explained

Practical, no-fluff guides on uptime and security monitoring — fixing security headers, email authentication, SSL certificates, and consolidating your monitoring stack.
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All posts security 23 uptime 21 monitoring 19 incidents 18 outages 10 tls 9 https 9 dns 8 ssl 8 performance 8 email-security 6 security-headers 5
security-headers csp

How to Fix Your Content-Security-Policy (with copy-paste nginx, Apache and Caddy configs)

A practical guide to building a Content-Security-Policy that actually works — how CSP is parsed, the directives that matter, and ready-to-paste server configs.
· 4 min read
cors security-headers

CORS Explained — the Mental Model, and the Misconfigurations That Actually Get Exploited

CORS protects users, not your server. The right mental model, the dangerous patterns — origin reflection, wildcard with credentials — and correct configs.
· 6 min read
security-headers clickjacking

Preventing Clickjacking — X-Frame-Options vs CSP frame-ancestors

How clickjacking attacks work, step by step — and how to stop them with X-Frame-Options and CSP frame-ancestors, with nginx, Apache and Caddy configs.
· 5 min read
security-headers hsts

HSTS Explained — max-age Strategy, includeSubDomains Pitfalls, and the Preload List

A practical HSTS guide — how Strict-Transport-Security works, how to ramp max-age safely, includeSubDomains pitfalls, preloading, and copy-paste configs.
· 6 min read
security-headers csp

The Complete Guide to HTTP Security Headers in 2026

Every HTTP security header that matters in 2026 — CSP, HSTS, X-Frame-Options, Permissions-Policy, COOP/COEP — with copy-paste nginx, Apache & Caddy configs.
· 7 min read

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