root@Web:~$certbot certonly --dry-run
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator webroot, Installer None
Cert not due for renewal, but simulating renewal for dry run
Renewing an existing certificate
Performing the following challenges:
http-01 challenge for mysite.vom
Using the webroot path /var/www for all unmatched domains.
Waiting for verification...
Cleaning up challenges
Running post-hook command: service nginx reload
Failed authorization procedure. mysite.com (http-01): urn:ietf:params:acme:error:unauthorized :: The client lacks sufficient authorization :: Invalid response from
123.123.123.123:443/.well-known/acme-challenge/fxs... [123.123.123.123]: "\r\n400 The plain HTTP request was sent to HTTPS port\r\n\r\n400 B"
IMPORTANT NOTES:
- The following errors were reported by the server:
Domain: mysite.com
Type: unauthorized
Detail: Invalid response from
123.123.123.123:443/.well-known/acme-challenge/fxs...
[123.123.123.123]: "\r\n400 The plain HTTP request
was sent to HTTPS port\r\n\r\n400 B"
To fix these errors, please make sure that your domain name was
entered correctly and the DNS A/AAAA record(s) for that domain
contain(s) the right IP address.