I have tried to add a new domain to my server (Debian VPS), the authentification said it failed, but I have a working certificate that works when configured in Apache manually. I ran Certbot run initially and then have run certbot renew --dry-run to test. Attempting to renew cert from /etc/letsenc…

Certbot run - Incorrect validation certificate for tls-sni-01 challenge

schoen June 9, 2017, 6:31pm 3

I have a post about the most common reasons for this problem at

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