Err SSL protocol error

The ERR_SSL_PROTOCOL_ERROR is a problem with the encryption protocol that prevents data from being transmitted securely. The message can display when you're trying to visit a website using the HyperText Transfer Protocol Secure (HTTPS).

1. What is the reason for ERR_SSL_PROTOCOL_ERROR?
2. How to disable ERR_SSL_PROTOCOL_ERROR in Chrome?
3. What causes Err_ssl_version_or_cipher_mismatch?
4. How do I force Chrome to trust a certificate?
5. What is Err_ssl_version_or_cipher_mismatch in chrome?
6. How do I activate my SSL?

What is the reason for ERR_SSL_PROTOCOL_ERROR?

The ERR_SSL_PROTOCOL_ERROR occurs when a website cannot provide a secure connection. This may be due to issues on the website, such as not forcing HTTPS or not having an SSL certificate. A problem with your browser may also cause the ERR_SSL_PROTOCOL_ERROR.

How to disable ERR_SSL_PROTOCOL_ERROR in Chrome?

Fix ERR_SSL_PROTOCOL_ERROR by disabling QUIC Protocol

To disable it, copy chrome://flags/#enable-quic and paste it into the address bar, hit enter. On top of your screen, the Experimental QUIC Protocol would have been set as Default. Disable it and relaunch Chrome.

What causes Err_ssl_version_or_cipher_mismatch?

The error ERR_SSL_VERSION_OR_CIPHER_MISMATCH occurs when a user's browser cannot establish a secure connection with a web server that uses HTTPS and SSL. The issue may lie in the server configuration or locally on a user's computer.

How do I force Chrome to trust a certificate?

Navigate to the site with the cert you want to trust, and click through the usual warnings for untrusted certificates. In the address bar, right click on the red warning triangle and "Not secure" message and, from the resulting menu, select "Certificate" to show the certificate.

What is Err_ssl_version_or_cipher_mismatch in chrome?

The err_ssl_version_or_cipher_mismatch is a common error users receive in Chrome browsers when attempting to access a website. The error notifies of a problem with the SSL certificate. Websites use SSL certificates to indicate they are secure.

How do I activate my SSL?

Under Install and Manage SSL for your site (HTTPS), click Manage SSL Sites. Scroll down to the Install an SSL Website and click Browse Certificates. Select the certificate that you want to activate and click Use Certificate. This will auto-fill the fields for the certificate.