These are called protocols which are basically a set of rules for determining how web pages are transmitted from the server (where your website is located) to the browser. You may have noticed that website addresses typically begin with HTTP or HTTPS. If you’re wondering what a webpage loading over secure connection is, then a little background information may be helpful. Unlike Google Chrome and Microsoft Edge, the Firefox error page offers a little more information about possible courses of action should this type of error occur. Warning: Potential Security Risk Ahead ERR_SSL_PROTOCOL_ERROR in Mozilla Firefox In Mozilla Firefox ERR_SSL_PROTOCOL_ERROR triggers a warning about the failed secure connection as seen below. ERR_SSL_PROTOCOL_ERROR in Microsoft Edge Mozilla Firefox If this keeps happening, try contacting the website’s owner. This might be because the site uses outdated or unsafe TLS security settings. However, the next part of the error is what is helpful. In Microsoft Edge, it will simply show as “Can’t connect securely to this page” (as seen below). ERR_SSL_PROTOCOL_ERROR in Chrome Microsoft Edge This site can’t provide a secure connection. In Google Chrome this error will show as ERR_SSL_PROTOCOL_ERROR and will say that the domain sent an invalid response. Is your WordPress site giving you the ERR_SSL_PROTOCOL_ERROR? 😰We've got you covered with the complete list of things to do to fix it! Click to Tweet Check Out Our Video Guide to Fixing SSL Connection Errors It’s commonly experienced in Chrome, but it can vary based on the browser you’re using. This error can be caused by various issues with your website server or your local computer, or even a combination of both. In this article, we’ll explain what this type of error means and walk you through the steps needed to fix it to get your site back up and running!

If your WordPress website fails to load over a secure connection due to an error such as ERR_SSL_PROTOCOL_ERROR then you’re in the right place.

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