fritex
November 24, 2021, 9:06pm
2
Kindly, see below topic in order to gather some more information about your SSL settings for your sub-domain:
Troubleshooting · Cloudflare SSL/TLS docs
Archive Please note, this tutorial post contains links to external sites. I am not endorsing any external links.
This tutorial post covers the first steps you should take if SSL is working on your main domain, but not on a subdomain.
1. Is there a DNS record for it?
Check the DNS app in your Cloudflare dashboard to see if there is a DNS record there for that subdomain.
2. Check that the DNS record is working co…
Error
Try the suggestions in this Community Tip to help you fix ERR SSL VERSION OR CIPHER MISMATCH in Chrome.
Background
A website using HTTPS performs a series of steps between the browser and the web server to ensure the certificate and SSL/TLS connection is valid. These include a TLS handshake, the certificate being checked against the certificate authority, and decryption of the certificate. If Chrome detects an issue, it might display “ERR_SSL_VERSION_OR_CIPHER_MISMATCH ” which prevents a…
Furthermore, this one seems to me it could be related to as described in below topic as far as it’s a “deep sub-domain” level www.sub.domain.com:
Fix VERSION_OR_CIPHER_MISMATCH · Cloudflare SSL/TLS docs
Archive This tutorial covers a possible reason for the SSL_ERROR_NO_CYPHER_OVERLAP and ERR_SSL_VERSION_OR_CIPHER_MISMATCH errors (Firefox and Chrome respectively) when seen on a subdomain.
The Cloudflare universal certificates cover example.com and *.example.com. This means that it covers any subdomain one level below the domain you signed up with.
It will cover www.example.com and subdomain.exampl…
You might have to use Cloudflare Advanced Certificate Manager to solve this issue as far as Universal SSL certificate does not cover that deep level (as far as I remember, could be I am a bit wrong about it):