Security certificate does not work with certain browsers

Posted on 2009-02-11
Last Modified: 2013-11-16
We have a security certificate issued by Network Solutions. We have found that some browsers do not recognize the certificate as valid and will issue a warning (ex: Safari) IE seems to work fine. Firefox will work but I just spoke with a customer whi had an add on called Perspective installed which validates the security and it was blocking the site.
url is click on the "enter" icon
Question by:jrickercha
    1 Comment
    LVL 31

    Accepted Solution

    The issue is the root certificate is not in the trusted root store for the problematic applications.  IE is almost always the first one companies try to get included to, for obvious reasons of popularity of the browser.  Network solutions needs to get in touch with these various companies and get their root certificate included into their products - it is somewhat common.

    This is one reason why Verisign costs the big bucks - they are almost always included in everything.  The term you are looking for would be "browser ubiquity" as far as what percentage of users should be able to validate automatically using their various products.  If it isn't at least 99% then keep looking - most will have 99.8 or 99.9% ubiquity (nobody can technically guarantee 100% because someone can make a product and sell it today that doesn't include anybody, just to cause a lawsuit against whoever was crazy enough to try to say they were 100%).

    Many times getting the user to update their software to the latest version will be sufficient, at least for the more popular products like IE, Safari, FF, and Opera.  If that doesn't work, you should be able to email or link to the root certificate so that the user can import it into the trusted root store of their program - here is a link to a different certificate provider that happens to have pretty good instructions for a number of products all centrally located - adapt to your environment:

    From a quick look it looks like Network Solutions is using the 'UTN-UserFirst-Hardware' root certificate, which is currently owned by Comodo.  Comodo's root certificate repository is located here:
    The UTN root can be downloaded directly from here:

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