letsencrypt certonly --standalone ony my CentOS 7 vm to try and renew my certificate for my domain, cooperpellaton.com. I recieved the following error:
Failed authorization procedure. cooperpellaton.com (tls-sni-01): urn:acme:error:tls :: The server experienced a TLS error during domain verification :: Failed to connect to host for DVSNI challenge IMPORTANT NOTES: - The following errors were reported by the server: Domain: cooperpellaton.com Type: urn:acme:error:tls Detail: Failed to connect to host for DVSNI challenge [root@webhost ~]# letsencrypt certonly --standalone
I am using ClouldFlare, but I’ve removed any instance of CloudFlare serving/connecting over SSL as well as putting the site into development mode and removing any challenges to access.