I quite like the Microsoft Membership Framework for handling membership roles, authentication, and security resources in ASP.NET applications. It’s easy to create the initial user login and management framework for a new application, then swap in a more sophisticated Provider as needed.
For my current project, we have a new requirement to allow logins against multiple [...]

A common feature I’ve found necessary for web applications is role-based security at the field level. For example, I may have a form that allows editing a user’s information. The requirements may include the rule that only certain types (roles) may edit certain fields.
This can be accomplished in myriad ways. You can create a different [...]