Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. https://crt.sh/?q=example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.
My domain is:
I ran this command:
sudo certbot renew --dry-run
It produced this output:
Client with the currently selected authenticator does not support any combination of challenges that will satisfy the CA.
Attempting to renew cert (ventisecondi.it) from /etc/letsencrypt/renewal/ventisecondi.it.conf produced an unexpected error: Client with the currently selected authenticator does not support any combination of challenges that will satisfy the CA… Skipping.
All renewal attempts failed. The following certs could not be renewed:
My web server is (include version):
The operating system my web server runs on is (include version):
My hosting provider, if applicable, is:
I can login to a root shell on my machine (yes or no, or I don’t know):
I’m using a control panel to manage my site (no, or provide the name and version of the control panel):
The version of my client is (e.g. output of
certbot --version or
certbot-auto --version if you’re using Certbot): 0.19.0-1+ubuntu16.04.1+certbot+1