What is the certificate chain for SSL certificates issued by the InCommon Certificate Service?
SSL certificates issued prior to February 1, 2011 chain up to the AddTrust root CA in the following way: AddTrust External Root CA:COMODO High Assurance Server CA:End-Entity Certificate SSL certificates issued on February 1, 2011 or later also chain up to the AddTrust root CA, but with a different intermediate CA: AddTrust External Root CA:InCommon Server CA:End-Entity Certificate This intermediate CA is known as the InCommon Intermediate CA, which was deployed on February 1, 2011.