Some of the best posts on the net regarding Sharepoint 2007 and Authentication.  This is a post that has been around for one year and I'm sure there are newer more complete guides.  What would you recommend? NTLM Authentication with SharePoint

Most SharePoint environments today are using NTLM (the default) as the authentication protocol. This has some hidden performance implications that are not widely known. But before we dive into the world of NTLM Performance bottlenecks with SharePoint lets address the NTLM authentication process first...

NTLM Authentication with SharePoint part 2

In my last post I laid out the basic flow of NTLM authentication with SharePoint when all the accounts (user, service and machine) reside in the same domain. In this post I will discuss the implications of multiple domains in two different scenarios...

SharePoint 2007 Forms Authentication

An internet presence site working with Forms Authentication and anonymous access. Perfect for an public facing internet site run on SharePoint 2007. So here’s the step by step guide on how to do it (with pictures!)...

Sharepoint 2007 - Enabling Custom Authentication using a Custom Membership Provider

Well, in Sharepoint 2007, things are changing. Sure you do have Windows Authentication out of the box, but really you could plug in any Membership Provider. WoW !! Try doing that in Sharepoint 2003 :)...

Enabling Custom Authentication for SharePoint 2007

In SharePoint 2007, you can use any membership provider to enable custom authentication. This article discusses how to switch the membership provider on a SharePoint Web application...