When testing my cert at https://censys.io/ I got this Lint warning, could someone show me where to read about why this is bad please?
Type Failed Lint Provenance Description
N subject common name included CAB: 220.127.116.11.2 Use of the common name field is discouraged.
RFC2818 deprecates use of CommonName for URI matching in favor of subjectAlternativeNames. However, there’s nothing wrong with having it in the CN field as long as you also have all names in SAN fields. (Let’s Encrypt follow this standard.)
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