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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
ssl tls

SSL Certificate Monitoring — Never Get Caught by an Expired Cert Again

Expired TLS certificates are a common self-inflicted outage. Why auto-renewal isn't enough, what to actually monitor, and how to get alerted weeks before expiry.
· 4 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
ssl tls

47-Day Certificates Are Coming — What SC-081 Means for Your Renewal Process

The CA/Browser Forum just approved ballot SC-081 — TLS certificate lifetimes shrink from 398 days to 47 by 2029. Here's how to get ready now.
· 6 min read
https tls

Fixing Mixed Content Warnings — Finishing the HTTPS Migration You Started

Active vs passive mixed content, how browsers treat each, finding hardcoded http:// URLs, CSP upgrade-insecure-requests, and staying clean after migration.
· 6 min read
tls ssl

TLS 1.0 and 1.1 Are Being Shut Out — Time to Check What Your Server Negotiates

Chrome, Firefox and Edge now block TLS 1.0 and 1.1. How to test what your server negotiates, enable TLS 1.2/1.3 on nginx and Apache, and handle legacy clients.
· 6 min read
ssl tls

One-Year Certificates Are Coming — Apple Just Changed the Rules

From September 1, Safari will reject new TLS certificates valid longer than 398 days. What Apple's unilateral move means and how to get renewals ready.
· 6 min read
tls security

TLS 1.3 Is Final — What RFC 8446 Changes and What to Do About It

TLS 1.3 is final — RFC 8446, four years and 28 drafts in the making. What changed, what got removed, and how to verify what your servers negotiate.
· 6 min read
ssl tls

Certificate Lifetimes Just Got Cut to 825 Days — and the Trend Points Shorter

Newly issued TLS certificates are now capped at 825 days. Why the industry keeps cutting lifetimes, and why calendar reminders won't save you anymore.
· 6 min read
https tls

Why Your Website Needs HTTPS — Yes, Even Your Brochure Site

Free certificates, a Google ranking boost, HTTP/2 support and ad-injecting hotspots — why every website should move to HTTPS in 2016, not just stores.
· 6 min read

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