Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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

Firefox refusing access to some sites, which are available on internet explorer

  • 1 phendula
  • 1 inayo le ngxaki
  • 23 views
  • Impendulo yokugqibela ngu cor-el

more options

Access is being denied to a number of website with a message stating valid certifiate is received but access is still deied

Access is being denied to a number of website with a message stating valid certifiate is received but access is still deied

All Replies (1)

more options

You can click the "Advanced" button to expand this section and show extra details. You can click the blue error message to expand this section. If the certificate is not trusted (SEC_ERROR_UNKNOWN_ISSUER) then click "Copy text to clipboard" and paste the base64 encoded certificate chain text in a reply. That will allow us to check details like the issuer of the certificate.

See also:

Ilungisiwe ngu cor-el