Unblock Site Firefox May 2026

Getting a "Connection Timed Out" or "Access Denied" message in Firefox can be frustrating. The good news? The block is often on your end. Here are the five most effective ways to unblock a website in Firefox, from simplest to most advanced. Method 1: Disable the Built-In HTTPS-Only Mode Firefox’s HTTPS-Only Mode is a security feature that blocks any site not using a secure connection. Some older or local sites only work over HTTP.