This is designed to only address an issue in Firefox where all websites will display a security warning, even when connecting to secure sites. If Firefox is only displaying this warning for a specific site, please check that you are connecting to a legitimate website.
- In the Firefox address bar type about:config and press Enter.
- A warning page may appear. Click Accept the Risk and Continue.
- Search for and change the following settings:
- security.certerrors.permanentOverride = false
- security.enterprise_roots.enabled = true
- network.stricttransportsecurity.preloadlist = false
- (Optional - may not be present on your device) security.insecure_field_warning.contextual.enabled = false
- Restart Firefox to apply changes.