Curl rejects http response if the url is redirected to a https resource with self-signed/expired certificate.
Whereas lets encrypt validates such URLs.
ref: https://letsencrypt.org/docs/challenge-types/ -- Search for "When redirected to an HTTPS URL, it does not validate certificates"
Curl rejects http response if the url is redirected to a https resource with self-signed/expired certificate. Whereas lets encrypt validates such URLs. ref: https://letsencrypt.org/docs/challenge-types/ -- Search for "When redirected to an HTTPS URL, it does not validate certificates"