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Certbot

Shorter TLS Certificates Expose the Renewals You Haven’t Automated

Illustrated infographic summarizing: Shorter TLS certificates expose every renewal you never automated

Shorter TLS lifetimes make certificate renewal a frequent production workflow. Learn how to automate validation, deployment, verification, and alerts.

Let's Encrypt Profiles Put Renewal Assumptions Under the Microscope

Let's Encrypt's May 2026 profile rollout left classic certificates at 90 days, but made ACME profile choice, challenge paths, hooks, and monitoring harder to ignore.