It contains white papers with following different categories..
ASP.NET Security White papers
Forms Authentication
User Input Data Validation
Code Access Security
Communications Security
Cryptography
Installation and Setup White papers
Configuration
SQL Server Whitepapers
General Whitepapers
On this page you will find whitepapers to help you install and configure ASP.NET, and to assist you to write secure, fast and flexible ASP.NET applications
here is the link for asp.net whitepaper page:
http://www.asp.net/learn/whitepapers/