Understanding Single Sign-On in ASP.NET 2.0

In this article, Masoud discusses the concept of Cross Application Authentication using ASP.NET authentication model consisting of Membership Providers, web.config configuration, encryption, and decryption of configuration files. At the end of the article he also examines the application of the concept using ASP.NET login controls.

http://aspalliance.com/1545_Understanding_Single_SignOn_in_ASPNET_20