pref_challs: dns-01 | http-01
None of the preferred challenges are supported by the selected plugin. Skipping.
See also
- Certbot, Let's Encrypt:
certbot (command), plugins, OCSP, certbot certificates, certbot renew (examples), /var/log/letsencrypt/letsencrypt.log, Certificate Checker, Certbot changelog, certbot --help, /etc/letsencrypt/
