We have a weird issue on one of our sites.
The site in question forces https for all traffic but it throws a security error for some users. Different browsers, settings and network environments make it almost impossible to determine the cause of why the user is getting the error.
But, and here comes the question: when I try the same site on my machine, I get the security error in Firefox (v22) and not in Chrome or Safari, or in a VM running Windows 7 and IE9.
www.domain.com uses an invalid security certificate.
The certificate is not trusted because no issuer chain was provided.
(Error code: sec_error_unknown_issuer)
Is this an issue on the back-end and is Firefox the only browser failing because of it, or is it a problem in Firefox, thus making it a local browser problem?
Any feedback would be highly appreciated!