SSL error SSL_ERROR_NO_CYPHER_OVERLAP

I grayed out the cloud trying to solve the problem and then I made it back orange a few hours later to try to fix, but no success.

Now I have the cloud orange (traffic going inside CF) and the certificate is as Flexible. I removed the auto redirect from HTTP to HTTPS so you can test. If you access the domain http://www.confitech.com.br/ (without HTTPS) you will see it works. Now try access https://www.confitech.com.br/ (with HTTPS) and you will see the error below. Any idea something I can try to fix?

Secure Connection Failed

An error occurred during a connection to www.confitech.com.br. Cannot communicate securely with peer: no common encryption algorithm(s).

Error code: SSL_ERROR_NO_CYPHER_OVERLAP

The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
Please contact the website owners to inform them of this problem.

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