Troubleshooting ERR_SSL_PROTOCOL_ERROR: How to Fix this Pesky Error in 6 Steps

As a website owner (and frequent website visitor), you might have encountered the notorious ERR_SSL_PROTOCOL_ERROR at least once. This Secure Sockets Layer (SSL) error occurs when the browser fails to establish a secure connection with the website, usually due to issues with the website’s SSL certificate or its configuration or the client’s browser. The error varies and appears differently in other popular browsers like Firefox and Microsoft Edge.

Although the main reason behind the error can be difficult to identify, …

best practices browser certificate configuration error fix http https security education sockets ssl ssl certificate troubleshooting web pros website website security