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Configuring CloudFront with WordPress gives ssl_error_no_cypher_overlap error

I am using AWS EC2 to host my WP site having cyberpanel (Litespeed Ent and LScache plugin). Using free Let's SSL certificate (certbot).

I tried to active AWS cloudfront CDN on my site but getting following error

  • SSL_ERROR_NO_CYPHER_OVERLAP in firefox
  • ERR_SSL_VERSION_OR_CIPHER_MISMATCH in Chrome

Below is screenshot of my various setting

Origin Setting enter image description here

I am using Public DNS as my origin domain

Distribution Settings enter image description here

Generated the SSL in AWS certificate and applied here. Added cdn.domain.tld as alternate domain name and added it as cname pointing to distribution in route53

Default Cache Behavior Setting enter image description here

I am not sure what I am doing wrong here?

Note: I have TLS v1.3 enabled in my Litespeed

Solution

  • Ok, I found the Solution. I was doing some mistakes.

    I have SSL certificate for mydomain and its www version only. No wildcard SSL. And I was adding cdn.mydomain.tld as Alternate domain names which have no valid SSL.

    So I changed Alternate domain names to mydomain.tld and www.mydomain.tld and it started working.

    Also, the SSL certificate that I generated in ACM was wrong, I added *.mydomain.tld as domain name, But I had to add mydomain.tld also, which I did and it solved the problem

    Hope this help someone and he/she does not make silly mistake like me

    Thanks @Michael-sqlbot and Jeff from jeffreyeverhart.com for pointing me in right direction.