Misconfiguration Certificate Authority Authorization Rule




Certificate Authority Authorization (supported by LetsEncrypt and other CAs) allows a domain owner to specify which Certificate Authorities should be allowed to issue certificates for the domain. All CAA-compliant certificate authorities should refuse to issue a certificate unless they are the CA of record for the target site. This helps reduce the threat of a bad guy tricking a Certificate Authority into issuing a phony certificate for your site. The CAA rule is stored as a DNS resource record of type 257.


posted @ 2022-01-11 14:40  唐小风  阅读(12)  评论(0编辑  收藏  举报