Follow the steps to check your system date, clear cache, disable extensions, adjust firewall, enable tls, and change network settings. The err_ssl_protocol_error is a simple way for your browser to tell you that it is unable to establish a secure connection with a website Clear cache, check ssl, and update your browser for a quick fix.
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The err_ssl_protocol_error occurs when your browser can’t establish a secure connection with the website you’re trying to visit
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.
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. 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.