I am running a webserver on Ubuntu 16.04 LTS. My CMS relies for updates on a site hosted with a Cloudflare certificate. My problem is that is started recently to be not accessible anymore.

When I connect via openssl s_client I get

depth=1 C = US, ST = CA, L = San Francisco, O = "CloudFlare, Inc.", CN = CloudFlare Inc ECC CA-2 verify error:num=20:unable to get local issuer certificate

I manually installed the origin-ca certificates (ECC, RSA etc.) that are found on the Cloudflare support page - no change.

With Firefox (on windows) and openSUSE Tumbleweed and Leap 15.0 and 15.1 -> No problem site is loaded.

Could anyone help me which certificate is missing and how to install it?

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.