Security is one of the primary functions of any server-based operating system. Without security, any user or program could do anything to your servers?and wreak havoc on your ability to effectively manage the environment. As a security administrator, you want to provide functionality and security to your users without burdening them or restricting them in a way that hinders their work. This is the mark of a great security administrator: the ability to successfully balance the security of proprietary and personal data and the usability of your systems in a way that maximizes the productivity of your organization. This book will show you how to do exactly that.