''locking this thread as duplicate, please continue at [https://support.mozilla.org/questions/1104348 /questions/1104348]'' I created SSL from internal CA and issued to an intrAnet web server. When internal user uses FireFox to browse to intrAnet web page, receives a FireFox 'connection untrusted' screen. Do not want each user to have to manually add exception. Is it possible to get FireFox to trust the cert from our internal CA? if so, please point me to instructions. thanks.