Hi @Schoen, I have this exact issue explained in this thread.
I was setting up a certificate for the domain slackapi.printo.in and did so successfully.
However, when I saw a lot of (what I believed was failed) config files, I decided to delete /etc/letsencrypt
Now, I am stuck and can’t generate a new certificate. I get the error below when I run
sudo letsencrypt --apache
- The following errors were reported by the server: Domain: slackapi.printo.in Type: unauthorized Detail: Incorrect validation certificate for TLS-SNI-01 challenge. Requested 4c9fd46eb31b24d4dad7fbdaa0b066f3.dc2c556c224cb079e4938076 78e81acb.acme.invalid from 22.214.171.124:443. Received 2 certificate(s), first certificate had names "dccccc7e984b91ae074a59 1ea9d2d8cc.060a30e7c7fd87bb8e19f2e35ac3508d.acme.invalid, dummy" To fix these errors, please make sure that your domain name was entered correctly and the DNS A record(s) for that domain contain(s) the right IP address.
This is an internal system (that is still being built) and https downtime is not a critical problem.
How can I start with a clean slate?
DISTRIB_ID=Ubuntu DISTRIB_RELEASE=16.04 DISTRIB_CODENAME=xenial DISTRIB_DESCRIPTION="Ubuntu 16.04.1 LTS"