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Make an SSH connection to the server where your website is hosted.

Posted: Sun Jan 05, 2025 10:05 am
On the server, determine the version and configuration of the web server used (Apache, Nginx, etc.).
In the web server configuration, update your SSL/TLS settings and enable TLS 1.3.
Save the configuration and restart the web server.
Restart your browser and visit your website.
By doing this, your users will no longer encounter the “ERR_SSL_VERSION_OR_CIPHER_MISMATCH” error when visiting your website. To ensure that your website’s SSL/TLS certificate is properly installed and ukraine mobile phone number configured, it is recommended that you use an SSL/TLS checking tool.

TLS 1.3 can not only make your website more secure but also improve its performance. A faster and more secure website can help you gain the trust of your users and increase the success of your business. Therefore, enabling TLS 1.3 support on your website is important to increase your security and the success of your business.

Also, TLS 1.3 is known to have fewer security vulnerabilities than its previous versions. Therefore, it is recommended that you use TLS 1.3 to minimize security risks on your website. Remember, the security of your website is not only your responsibility, but also that of your visitors. Providing TLS 1.3 support will contribute to the security of your website by ensuring that your users can access your website safely.


Disabling QUIC Protocol
QUIC (Quick UDP Internet Connections) is a protocol that allows fast and secure transmission of internet traffic. However, in some cases, the use of this protocol can cause undesirable results. For example, the QUIC protocol can be blocked in some networks, causing internet connection problems. In such cases, you can find a solution by disabling the QUIC protocol.

To disable the QUIC protocol, first open the web browser you are using. Then, go to your browser settings and click on the network tab. Here, you can disable the “Use QUIC protocol” or similar option. These options may vary by browser, but are usually found in the network settings.

If you are using Google Chrome, you can disable the QUIC protocol by following these steps: