University of Colorado
CoG uses an ESGF OpenID as its authentication mechanism. The SSL certificate used by ESGF is self-signed. Some browsers have difficulty with this certificate and users will need to tell their browser to trust it.
Every browser has a different mechanism for accepting SSL certificates it does not trust. Below are the steps for Internet Explorer.
Step 1: Enter your OpenID in the box and click "Login"
Step 2: Click the "Continue to this website (not recommended) link.
Step 3: Enter your password in the box provided