Mozilla plans to more strictly enforce industry best practices for SSL certificates in future versions of Firefox with a new certificate verification system.

Firefox, therefore, rejects the Army site’s certificate and defaults to a Web page showing a traffic-cop icon and proclaiming “secure connection failed” and that the site’s certificate can ...

A Sunday afternoon browser update fixed the lapsed certificate, which Mozilla had used to digitally sign Firefox extensions. After the certificate expired, the browser add-ons stopped working.

Debate is reaching a fever pitch over a new security feature in Firefox 3.0 that throws out a warning page to users when a Web site's SSL certificate is expired or has not been issued by a trusted ...