Click the menu button -> -> Privacy & Security [1]. Scroll down to Cookies and Site Data .
Sometimes, Firefox’s aggressive tracking shields break website elements, making the page look blocked or broken.
If every site is blocked, you may have accidentally changed a core Firefox setting.
If the button is grayed out or missing, you must force it: how to unblock a site in firefox
Firefox is one of the most popular web browsers in the world, known for its speed, security, and flexibility. However, sometimes you may encounter a situation where a website you want to access is blocked in Firefox. This can be frustrating, especially if you need to access the site for work, education, or other important purposes.
Sometimes a site is blocked via its domain name (DNS), but its IP address is not.
Search for these preferences and double-click them to set the value to (this fixes broken redirects): Click the menu button -> -> Privacy & Security [1]
Sometimes, a website is blocked due to corrupt browser data, not a setting.
Is this happening on a or a work/school device ?
Sometimes a site is blocked because of global settings or specific permissions you've previously set: If every site is blocked, you may have
Click the connection status arrow (usually labeled "Connection secure" or "Connection not secure"). Select from the options.
If you are staring at a "Secure Connection Failed," "Potential Security Risk Ahead," or an administrative block page, you can regain access. This comprehensive guide covers every method to unblock a website in Firefox, ranging from quick browser tweaks to advanced network workarounds. 1. Bypass Firefox Security Warnings (False Positives)