It is such a simple and common requirement but it can be a nightmare to achieve out of the box with SharePoint. I spent quite a bit of time working out how a user can be authenticated via https and maintain their login cookie over http pages (without having to sign in again). More...

In some cases, one of the requirements of a SharePoint project is to provide two versions of the same SharePoint site. One with 'forms' authentication where the users information is stored in a database and the other with 'windows' authentication where the user is authenticated via the active directory.  Though its easy to deal with each of these scenarios by writing separate pieces of code, it is not going to as quick as using the out of the box functionality provided by SharePoint 2007.More...