You have to combine these two faqs together to make it work:

http://faq.1and1.com/scripting_languages_supported/asp_net/dotnetnuke/4.html

http://faq.1and1.com/scripting_languages_supported/asp_net/dotnetnuke/3.html

Note: For visitors of your site, this entry is only displayed for users with the preselected language English/English (en)

CSLA.Net 2.1 has been released. It comes with several new features. Some useful ones I am going to use in Smart Bridge SA is :

• Per-type validation rules.
• Per-type authorization rules.
• Severity Classification.