Let’s Encrypt Disables TLS-SNI-01 Validation
Free and open Certificate Authority (CA) Let’s Encrypt on Tuesday disabled TLS-SNI-01 validation after learning that users could abuse it to obtain certificates for domains they do not own.
Read more: Let’s Encrypt Disables TLS-SNI-01 Validation
Story added 10. January 2018, content source with full text you can find at link above.