Let's Encrypt 的 ACMEv1 將在今年十一月進入日落階段

Let's Encrypt 推出 ACMEv2 後要終止 ACMEv1 的計畫,是今年三月發的消息,但一直沒注意到,剛剛翻到「acme-client(1) moves to Let's Encrypt v02 API」時才看到的:「End of Life Plan for ACMEv1」。

日落分成幾個階段,第一個階段是今年十一月終止透過 ACMEv1 註冊新帳號:

In November of 2019 we will stop allowing new account registrations through our ACMEv1 API endpoint. Existing accounts will continue to function normally.

第二個階段是明年六月終止透過 ACMEv1 申請新的 certificate:

In June of 2020 we will stop allowing new domains to validate via ACMEv1.

第三個階段是 2021 年會開始測試關閉 ACMEv1 的 renew 功能,一個月不會超過一次,每次大約 24 小時,這是讓 client 有機會丟出錯誤訊息:

Starting at the beginning of 2021 we will occasionally disable ACMEv1 issuance and renewal for periods of 24 hours, no more than once per month (OCSP service will not be affected).

最後的階段是 2021 年的六月,會完全關閉 ACMEv1 所有的服務:

In June of 2021 we will entirely disable ACMEv1 as a viable way to get a Let’s Encrypt certificate.

目前在用的都支援 ACMEv2 了,應該是 ok...

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