未來 CA 將會強制要求檢查 DNS CAA record

CA/Browser 通過提案,要求以後 CA 單位都要檢查 DNS CAA record 才能發放憑證 (RFC 6844 的「DNS Certification Authority Authorization (CAA) Resource Record」):「Ballot 187 - Make CAA Checking Mandatory」。

Certificate Authority Authorization (CAA) is a DNS Resource Record defined in RFC 6844 – https://datatracker.ietf.org/doc/rfc6844/ , published in January 2013. It allows a DNS domain name holder to specify one or more Certification Authorities (CAs) authorized to issue certificates for that domain and, by implication, that no other CAs are authorized.

透過 DNS CAA 資料,你可以限制只有誰可以發你的憑證,直接用白名單做控管。

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One Response to 未來 CA 將會強制要求檢查 DNS CAA record

  1. Pingback: Amazon Route 53 支援 CAA record 了 | Gea-Suan Lin's BLOG

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