Linuxiac Dec 3, 2025 Let’s Encrypt to Cut Certificate Lifetimes to 45 Days by 2028 Let’s Encrypt begins a multi-year transition to shorter certificate validity, moving from 90-day to 45-day certificates. Read Full Article on Linuxiac → 📋 Copy Link Sponsored UNIX and Linux System Administration Handbook View on Amazon Sponsored Blue Light Blocking Glasses View on Amazon Sponsored The Art of UNIX Programming View on Amazon As an Amazon Associate I earn from qualifying purchases. ← Back to all articles