Hi Kani, You might want to take a look at the four-part SecurityFocus series, "Introduction to Security Policies" by Charl Van der Walt. The first installment is available at: http://online.securityfocus.com/infocus/1193.
Stephen Entwisle Moderator, Security-Basics SecurityFocus http://www.securityfocus.com (403) 213 3939 ext. 235
