I’m getting this error for www.staging2.url.co.uk on siteground
Secure Connection Failed
An error occurred during a connection to www.staging2.url.co.uk . 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 web site owners to inform them of this problem.
This is the problem I’m having
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…
sdayman
January 20, 2022, 2:51pm
#2
Ah, it looks like the Community Tip doesn’t link to this (since you’re using www in front of a subdomain):
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.example.com, as these are one level below the root domain, example.com.
The certificate will not cover www.sub…
1 Like
system
February 4, 2022, 2:51pm
#3
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