The err_ssl_protocol_error occurs when your browser can’t establish a secure connection with the website you’re trying to visit It can be caused by ssl misconfigurations on your local computer, issues on the server side, or even both This is usually related to problems with the ssl (secure sockets layer), which is a protocol that ensures data being exchanged between you and the website is encrypted and secure.
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Learn what causes this error and how to resolve it by checking your ssl certificate, connection settings, and system settings.
Clear cache, check ssl, and update your browser for a quick fix.
Err_ssl_protocol_error often indicates an expired, revoked, or improperly installed ssl certificate Whether you are the site owner or just trying to load a website, you can check a website's ssl certificate using qualys's ssl server test.
