Moss Authentication Active directory

Authentication samples
http://technet2.microsoft.com/Office/en-us/library/23b837d1-15d9-4621-aa0b-9ce3f1c7153e1033.mspx?mfr=true

Use Forms Authentication with SQL Server in ASP.NET 2.0
http://msdn2.microsoft.com/en-us/library/ms998317.aspx

Active Directory Role provider
http://www.codeplex.com/adrp