MSDN Webcast: SharePoint Server 2007 and Authentication (Level 100)
Source: Microsoft Tips
The presenter of this webcast covers the basics of how to use the authentication and membership providers. The presenter looks at how to create a custom provider, and how Windows CardSpace can be used to log in to the Microsoft Office SharePoint Server 2007 site. The presenter also discusses the advanced tools available in Internet Information Services (IIS) 7.0 for configuring and deploying SharePoint Server 2007.