1. Go to "https://rhn.redhat.com" with a Mozilla-based browser (default
2. See the warning "You have requested an encrypted page that contains some
unencrypted information. Information that you see or enter on this page could
easily be read by a third party." for every page being loaded.
Mozilla might need a change in configuration to show this:
Preferences -> Privacy & Security -> SSL -> tick "Viewing a page with an
This was fixed in RHN 4.0.6.