I want to disable/remove the "Add Exception..." button in Firefox to prevent users to accept invalid SSL certificates.
How can I achieve this? Google does not show up any useful results.
Well, there's no specific way to do this. But you can disable completely the "Bad Certificate" page, and replace it for an alert box. This also disable all error pages. Go to
Another solution to make more difficult to the users, is changing the Add Exception behavior, setting the key