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.

Avatar for Username

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

Este fío arquivouse. Faga unha nova pregunta se precisa axuda.

I approved a security exception to a website. Now I would like to go back and undo that security exception. How do I do this?

  • 1 resposta
  • 3 have this problem
  • 1 view
  • Last reply by Vivek

rpag1986
rpag1986
more options

I was trying to request a library book. The site was a San Diego County library site. The Firefox error message said the website's certification was outdated.

I was trying to request a library book. The site was a San Diego County library site. The Firefox error message said the website's certification was outdated.

All Replies (1)

Vivek
Vivek
more options

Hi,

You can try to delete the correct certificate via Tools (Alt + T) > Options > Advanced > Encryption > View Certificates > Servers. Options > Advanced

Options