![Firefox does not trust any secure connections/certificates | Firefox Support Forum | Mozilla Support Firefox does not trust any secure connections/certificates | Firefox Support Forum | Mozilla Support](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2012-07-19-12-10-35-310310.png)
Firefox does not trust any secure connections/certificates | Firefox Support Forum | Mozilla Support
![after version 15 to 16 upgrade i cannot open my https sites which are signed by my CA | Firefox Support Forum | Mozilla Support after version 15 to 16 upgrade i cannot open my https sites which are signed by my CA | Firefox Support Forum | Mozilla Support](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2012-10-16-01-24-25-da0bae.png)
after version 15 to 16 upgrade i cannot open my https sites which are signed by my CA | Firefox Support Forum | Mozilla Support
![I get "Your connection is not secure" on every website I visit | Firefox Support Forum | Mozilla Support I get "Your connection is not secure" on every website I visit | Firefox Support Forum | Mozilla Support](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2018-01-14-06-37-40-4216ca.png)
I get "Your connection is not secure" on every website I visit | Firefox Support Forum | Mozilla Support
![Since FF 78.0, we cannot access self-signed certificate sites due to HSTS | Firefox Support Forum | Mozilla Support Since FF 78.0, we cannot access self-signed certificate sites due to HSTS | Firefox Support Forum | Mozilla Support](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2020-09-03-02-11-30-150cd5.png)
Since FF 78.0, we cannot access self-signed certificate sites due to HSTS | Firefox Support Forum | Mozilla Support
![Firefox does not trust any secure connections/certificates | Firefox Support Forum | Mozilla Support Firefox does not trust any secure connections/certificates | Firefox Support Forum | Mozilla Support](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2012-07-19-12-29-28-b93ed9.png)
Firefox does not trust any secure connections/certificates | Firefox Support Forum | Mozilla Support
![Since FF 78.0, we cannot access self-signed certificate sites due to HSTS | Firefox Support Forum | Mozilla Support Since FF 78.0, we cannot access self-signed certificate sites due to HSTS | Firefox Support Forum | Mozilla Support](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2020-09-03-01-41-20-c3bcff.png)
Since FF 78.0, we cannot access self-signed certificate sites due to HSTS | Firefox Support Forum | Mozilla Support
![Cannot access accounts - Access Denied / Warning: Potential Security Risk Ahead | Firefox Support Forum | Mozilla Support Cannot access accounts - Access Denied / Warning: Potential Security Risk Ahead | Firefox Support Forum | Mozilla Support](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2022-03-16-23-55-36-fcb64c.png)
Cannot access accounts - Access Denied / Warning: Potential Security Risk Ahead | Firefox Support Forum | Mozilla Support
![Since FF 78.0, we cannot access self-signed certificate sites due to HSTS | Firefox Support Forum | Mozilla Support Since FF 78.0, we cannot access self-signed certificate sites due to HSTS | Firefox Support Forum | Mozilla Support](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2020-09-03-01-41-11-9a6413.png)
Since FF 78.0, we cannot access self-signed certificate sites due to HSTS | Firefox Support Forum | Mozilla Support
![Cannot access accounts - Access Denied / Warning: Potential Security Risk Ahead | Firefox Support Forum | Mozilla Support Cannot access accounts - Access Denied / Warning: Potential Security Risk Ahead | Firefox Support Forum | Mozilla Support](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2022-03-16-23-55-22-ab73d5.png)
Cannot access accounts - Access Denied / Warning: Potential Security Risk Ahead | Firefox Support Forum | Mozilla Support
Privacy Badger hasn't been working since 43.0b7 · Issue #690 · EFForg/privacybadgerfirefox-legacy · GitHub
![Since FF 78.0, we cannot access self-signed certificate sites due to HSTS | Firefox Support Forum | Mozilla Support Since FF 78.0, we cannot access self-signed certificate sites due to HSTS | Firefox Support Forum | Mozilla Support](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2020-09-03-02-11-22-88b817.png)
Since FF 78.0, we cannot access self-signed certificate sites due to HSTS | Firefox Support Forum | Mozilla Support
![Firefox 3.6.3 does not bring up the "add exception" option for a self-signed certificate | Firefox Support Forum | Mozilla Support Firefox 3.6.3 does not bring up the "add exception" option for a self-signed certificate | Firefox Support Forum | Mozilla Support](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/Add-ons.png)