What Causes the ERR_SSL_VERSION_OR_CIPHER_MISMATCH Error? The ERR_SSL_VERSION_OR_CIPHER_MISMATCH error usually occurs due to problems with the website’s SSL certificate. However, other factors can also contribute to the issue. In general, the usual causes can be grouped into two categories...
How to install a free Let’s Encrypt SSL Certificate? How to install a paid premium Wildcard SSL Certificate? To install a new Premium Wildcard SSL
You visit your favorite site and receive a warning about an invalid certificate or ERR_SSL_PROTOCOL_ERROR. Suddenly, you can’t visit the site, and the information you want is no longer accessible. This common error is related to issues establishing an encrypted SSL/TLS connection with the we...
Many firewalls will stop you from visiting a site that doesn’t have a valid certificate, so this may be causing the error. To test whether a firewall or antivirus program is blocking the connection, simply disable that software. If the website now loads without a problem, then you...
This error indicates that the CA has canceled or revoked the website’s SSL certificate. This could be because the website acquired the certificate with false credentials (whether by accident or on purpose), the key was compromised, or the wrong key was issued. These issues result in the fo...
This will allow WordPress to generate clean URLs and prevent the 404 error for posts and pages on your local server. How you do this will differ by the platform you use. People usingXAMPPcan open their control panel and click the ‘Config’ button within Actions. Then, select ‘Apache (ht...
However, DNS changes need time to propagate and your browser may still be seeing your site on the old server. Thus, during that propagation period, you may encounter a NET::ERR_SSL_PROTOCOL_ERROR. If all is set correctly with your new SSL certificate, after the domain propagates, the ...
When the SSL certificate error appears under this condition, you should make sure the certificate contains the domain names of all websites and utilize a wildcards certificate to cover all your subdomains or a SAN certificate to cover multiple hostnames. ...
Describes how to uninstall and then reinstall the Certificate Authority (CA) role in Windows Server 2012 Essentials.
Often, the SSL Certificate configuration is located in a <VirtualHost> block in a different configuration file. The configuration files may be under a directory like /etc/httpd/vhosts.d/, /etc/httpd/sites/, or in a file called httpd-ssl.conf. One way to locate the SSL Configuration on Li...