EntLib Security - Authorization Rules in database

I had originally posted this question in patterns and practices forums, but am posting it here too as I am yet to get a response there and I guess posting here would help.

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I am new to Enterprise Library and have been studying the security application block. I have few doubts:1. One thing which bothers me if there is any possibility that we can use any built-in authorization providers which retrieve authorization rules from database instead of the config file. (like SQL Server)Well, from what I understand till now, i don't see any such feature in EntLib, other than using a custom provider and writing the logic yourself.The reason i want to use database because in our application, rules can be modified by the administrator thr ...