Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Avatar for Username

搜索 | 用户支持

防范以用户支持为名的诈骗。我们绝对不会要求您拨打电话或发送短信，及提供任何个人信息。请使用“举报滥用”选项报告涉及违规的行为。

详细了解

话题已存档。 如果需要帮助请提出新问题。

The Firefox have problem with ssl certificate. Error "sec_error_unknown_issuer". Delete database cert8.db don't help. Because open Firefox problem periodically

cyberpiratenew
cyberpiratenew

The Firefox have problem with ssl certificate. Error "sec_error_unknown_issuer". Delete database cert8.db don't help. Because open Firefox problem periodically appears. How correct problem? SSL certificate internal certification authority.

The Firefox have problem with ssl certificate. Error "sec_error_unknown_issuer". Delete database cert8.db don't help. Because open Firefox problem periodically appears. How correct problem? SSL certificate internal certification authority.

所有回复 (2)

cor-el
cor-el
  • Top 25 Contributor
  • Moderator

Who is the issuer of the certificate?

Firefox needs a root certificate to be able to build a complete certificate chain then ends with a trusted root certificate.

cyberpiratenew
cyberpiratenew 提问者

I have internal certification authority company. Chain (Root,Intermediate,MicrosoftCA,Certificate(test.ru)). I have error with the same serial numbers in ssl certificate Intermediate and MicrosoftCA. Site with https:// In other browsers (chrome, IExplorer) opens normally.