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

why do i receive a "sec_error_unknown_issuer" when opening "https://www.icloud.com/" in firefox 13.0.1 ?

  • 3 cavab
  • 5 have this problem
  • 5 views
  • Last reply by ideato

more options

this is the message i receive (in dutch)

http://tinypic.com/r/35d87c5/6

this is the message i receive (in dutch) http://tinypic.com/r/35d87c5/6

Chosen solution

Check your firewall, because some firewalls monitor secure connections (https) and send their own certificate instead of the website's certificate.

http://kb.mozillazine.org/Firewalls

otherwise see if this happen in a new profile :

http://kb.mozillazine.org/Profile_Manager



thank you

Read this answer in context 👍 1

All Replies (3)

more options

Seçilmiş Həll

Check your firewall, because some firewalls monitor secure connections (https) and send their own certificate instead of the website's certificate.

http://kb.mozillazine.org/Firewalls

otherwise see if this happen in a new profile :

http://kb.mozillazine.org/Profile_Manager



thank you

more options
more options

You are welcome