MCSE: ISA Server 2000 Administration Study Guide
Chapter One
Introduction to
ISA Server
If you've not worked with proxy server, firewall, or web-filtering
software before, you're in for a treat as you work through this book. What
interesting software! Think for a moment about what it might take to keep
a person inside the private network from getting to websites that the
company says should be off-limits. For example, suppose you want to
establish a policy that keeps people from going to adult-oriented websites.
But it seems that there must be 20 million of them-and more available
each day! How are you supposed to keep track of all that?
What about the efforts you need to go through to keep people from getting
into your private network from the Internet? Or how about keeping
outside people from attacking your firewall with scurrilous Denial of Service
(DoS), User Data Protocol (UDP) bomb, or other disruptive attacks?
What about if you're running a network that uses one of the private
IP address ranges? When users go out onto the Internet, they need to be
represented by a valid IP address. How does that happen?
You can see by the above questions where we're headed with this book.
Internet Security and ... read full excerpt from MCSE: ISA Server 2000 Administration Study Guide: Exam 70-227 ebook
