Let's Encrypt is removing support for domain validation with TLS-SNI-01. If you're using Certbot and received an email titled "Action required: Let’s Encrypt certificate renewals" or are getting the error message: Client with the currently selected authenticator does not support any combination of…

How to stop using TLS-SNI-01 with Certbot

_az Split this topic January 19, 2019, 10:24am 3

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