This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

How to block the site using untrusted certificate.

  • 1 reply
  • 4 have this problem
  • 10 views
  • Last reply by cor-el

more options

When I am doing work in another sites an popup window is being displayed regarding another website (www.openbux.com) having untrusted certificate. I would like to block this site. How to block this site to prevent popup window and to do my work securely without getting hawked. The site is www.openbux.com.

When I am doing work in another sites an popup window is being displayed regarding another website (www.openbux.com) having untrusted certificate. I would like to block this site. How to block this site to prevent popup window and to do my work securely without getting hawked. The site is www.openbux.com.

All Replies (1)

more options

The www.openbux.com server doesn't send a required intermediate certificate.

COMODO High-Assurance Secure Server CA

You can inspect the certificate chain via a site like this: