Articles
Seven Months to 100-Day Certificates: A Prep Plan for March 2027
The 200-day certificate cap has been live since March. The 100-day step, and shorter domain validation reuse, land on 15 March 2027. A month-by-month plan.
47-Day Certificates Are Coming: What SC-081 Means for Your Renewal Process
The CA/Browser Forum approved ballot SC-081, cutting TLS certificate lifetimes from 398 days to 47 by 2029. How to get your renewals ready.
Google Wants 90-Day Certificates: Get Ready Before It Becomes a Rule
Chrome's root program plans to propose 90-day maximum TLS certificate lifetimes. No date yet, but manual renewals are on borrowed time. Here's how to prepare.
Let's Encrypt Renewal Failures — When 90-Day Automation Silently Stops
Let's Encrypt automation fails quietly: broken certbot upgrades, rate limits, blocked port 80, lost cron jobs. Independent expiry monitoring is the net.
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 are no longer enough.
Let's Encrypt Is Out of Beta: Free HTTPS for Everyone, and a New Way to Fail
Let's Encrypt has left beta after issuing over a million free certificates. How ACME works, a basic nginx setup, and the silent renewal failure to watch for.
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