# Let’s Encrypt 将证书有效期从 90 天缩短至 45 天

**URL:** https://meta.discourse.org/t/let-s-encrypt-to-reduce-certificate-validity-from-90-days-to-45-days/390615
**Category:** Self-hosting
**Tags:** letsencrypt
**Created:** [2025年十二月7日 05:19 UTC](https://meta.discourse.org/t/let-s-encrypt-to-reduce-certificate-validity-from-90-days-to-45-days/390615 "2025-12-07T05:19:19Z")
**Posts on this page:** 1
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### Author: ![one1](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/one1/32/493591_2.png) [@one1](https://meta.discourse.org/u/one1)
#### Post date: [2025年十二月7日 05:19 UTC](https://meta.discourse.org/t/let-s-encrypt-to-reduce-certificate-validity-from-90-days-to-45-days/390615/1 "2025-12-07T05:19:19Z")

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> **[Let’s Encrypt to Reduce Certificate Validity from 90 Days to 45 Days](https://cybersecuritynews.com/lets-encrypt-45-days-certificate/)**
>
> Let’s Encrypt has officially announced plans to reduce the maximum validity period of its SSL/TLS certificates from 90 days to 45 days.

这会影响 Discourse 用户吗？

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