Published December 14th, 2004 by Jim O'Halloran
Pubcookie: Single Sign On for Web Apps
This looks like something I need to read more about, Pubcookie looks like a way of implementing single sign on for web apps…
Pubcookie consists of a standalone login server and modules for common web server platforms like Apache and Microsoft IIS. Together, these components can turn existing authentication services (like Kerberos, LDAP, or NIS) into a solution for single sign-on authentication to websites throughout an institution.
This explains How Pubcookie Works.