This is typically due to a cached ssl state or misconfigured 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. Clear cache, check ssl, and update your browser for a quick fix.
By following the outlined solutions, such as clearing the ssl state Err_ssl_protocol_error often indicates an expired, revoked, or improperly installed ssl certificate Erifying the ssl certificate, and checking system settings, you can restore your site’s secure connection.
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. Following the nine practical solutions presented in this guide works for resolving err_ssl_protocol_error on chrome as well as android systems, and localhost platforms This article explores both the factors that generate ssl protocol errors, together with resolve methods specific to various browsers and systems.
