Question

The certificate is not trusted because no issuer chain was provided

I have a problem accessing an https website with Firefox (26.0), but have no problems accessing it with either Chrome or IE. The particular URL deep links into a message forum.

https://www.lotro.com/forums/showthread.php?535472-Update-12-1-Scaling-Instance-Loot

I get the following error message:

This connection is untrusted You have asked Firefox to connect securely to www.lotro.com, but we can't confirm that your connection is secure. www.lotro.com uses an invalid security certificate. The certificate is not trusted because no issuer chain was provided. (Error code: sec_error_unknown_issuer)

Adding an exception works, but only for this one message thread. The next time I have a different thread we go through the same routine.

OK, I've read the forums a bit: Disabled all Add-ons I'm not running any SSL scanning. Both browser.xul.error_pages.enabled and browser.xul.error_pages.expert_bad_cert are set to True. Certificate dates are fine as is my clock/date. I've deleted cert8.db

When it does load rather than getting a lock I get an exclamation point and a mouseover says Website does not supply identify information.

When I tell Firefox to get the certificate I get:

Certificate Status: This site attempts to identify itself with invalid information. Unknown Identity Certificate is not trusted, because it hasn't been verified by a recognized authority using a secure signature.

When I view the certificate I find: Issued To Common Name (CN) *.lotro.com Organization (O) The Saul Zaentz Company Organizational Unit (OU) Secure LInk SSL Wirecard Issued By CN Network Solutions Certificate Authority O Network Solutions L.L.C. OU <Not Part of Certificate> Validity Issued on 1/3/2012 Expires on 1/17/2016

Under Details > Extensions I find Certificate Basic Constraints: Critical, Is not a Certificate Authority.

The security trust chain looks like this:

USERTrust

UTN-USER-First-Hardware Network Solutions Certificate Authority *.lotro.com

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