
Step 5: On the ‘ about:config’ page copy: _ocsp_stapling Step 4: Select the option that says“ I’ll be careful, I promise!” and continue. Step 3: A warning page will appear, “ This might void your warranty!” Step 2: Type ‘ about:config’ in the search box and press Enter. Step 1: Open your Firefox browser and go to the Location bar. You can refer to the steps below to make the necessary changes: The best way to fix the “ Secure Connection Failed” error in Firefox is to change the browser settings and edit the SSL data.


Steps to fix Firefox Secure Connection Failed Error You can also go through this blog to get an overview of how you can fix the connection error by changing the browser settings. You should not take the connection errors lightly because they could pose a security threat. Since there could be different reasons why the error occurred, it is best that you call the Mozilla Firefox helpline number to implement the correct solution. The secure connection failed error could be the result of unsupported TLS version or incorrect system date.

If the browser identifies an issue and if Firefox cannot establish a secure connection, users will see an error message. The secure connection feature on Firefox checks to make sure the website certificate and the connection method are secure when users are attempting to access a site.
