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Let's Encrypt

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Let's Encrypt Goes 64-Day on 10 February: Grep for 83, 80 and 60 Before It Bites

October 11, 2026 · 14 min read

Let's Encrypt Goes 64-Day on 10 February: Grep for 83, 80 and 60 Before It Bites

Let's Encrypt moves every subscriber to 64-day certificates on 10 February 2027. The fix is one grep for renewal offsets your cron still assumes.

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