In this book, we are talking to people much like ourselves-experienced Windows network administrators who want to secure their networks and speed up Web access for their users without having to make a full-time vocation of it, learn programming, recompile kernels, or struggle with a brand new command syntax. We're talking to people who want a security solution that is built to interoperate with their Windows domain controllers and Microsoft servers such as Exchange and SharePoint. We're talking to experienced ISA 2000 administrators, those who are brand new to the world of firewalls, and those who are migrating from third-party firewall products.
one of the strongest microsoft security products which can be used as both Firewall and proxy server. It also provides caching service which decreases network bandwith for accessing internet contents viewd before.