From MozillaZine Knowledge Base

This article lists articles and other references on errors that can happen when loading secure (https, SSL) sites. More generally, errors that can happen on any site are listed in Error loading websites.

• SSL is disabled
• Cannot connect securely because the site uses an older insecure version of the SSL protocol
• Could not initialize the browser security component
• OCSP error when accessing secure sites
• Security Error: Domain Name Mismatch or Server Certificate Expired

• Cannot Load Secure Sites - blocked by Internet service provider (MozillaZine forum topic)
• Secure Connection Failed - security certificate errors (MozillaZine forum topic)

See also

• browser.xul.error_pages.expert_bad_cert
• browser.ssl_override_behavior

External links

• Error code 500 accessing secure sites (Firefox Support)
• Secure Connection Failed (Firefox Support)
• This connection is untrusted (Firefox Support)
• Ivan Ristić: Firefox 3 improves handling of invalid SSL certificates
• Mozilla Firefox 3 SSL error messages and exceptions
• SSL Error Pages in Firefox 3.1
• Dial-a-fix utility to repair various Windows problems, including SSL, HTTPS, and signing/verification issues