From Dr. Tom Shinder's Configuring ISA Server 2004

The Book: What it Covers and Who It s For

Our first ISA Server book, Configuring ISA Server 2000: Building Firewalls for Windows 2000 (Syngress Publishing), addressed Microsoft s first attempt at producing an enterprise-level network firewall product. As with most first attempts, ISA 2000 was in many ways a learning experience both for Microsoft and for those of us who used and managed it.

With ISA 2000, Microsoft provided full-fledged, multilayered firewall functionality that went far beyond the traditional packet filtering firewall, with extras such as intrusion detection and prevention (IDS/IDP) and Web caching features that many other firewall vendors either don t include at all or offer as add-on modules or separate products at extra cost.

Inevitably, ISA was compared with other popular firewall products such as CheckPoint s Firewall-1/VPN-1 and Cisco s PIX, along with the plethora of low-cost security appliances from vendors such as NetScreen, Watchguard, SonicWall, Symantec, and many others that have flooded the market over the last few years. Although it proved to be a strong competitor, ISA administrators quickly started compiling wish lists of features and functionalities that could make ISA even better.

Note

Some might argue that customer wish lists have even, in some cases, resulted in the inclusion of features that are unnecessary or worse, as well as the elimination of desirable features. According to the product team, features such as the H.323 gateway included in ISA 2000 were dropped from ISA 2004 due to lack of customer interest. On the other hand,...

Copyright Syngress Publishing, Inc. 2005 under license agreement with Books24x7

Products & Services
Bus Analysis Software
Bus analysis software is used to analyze, manage, and interpret data from one or more computer buses.
Network Appliances
Network appliances are inexpensive personal computers (PC) or computer boards that provide Internet access and promote network security. They lack many of the features of fully-equipped PCs, however.
Network Security Software
Network security software includes everything from remote access protection to firewall and security appliance solutions to email security to web filtering, monitoring, bandwidth protection, and all elements of computer network security/computer security.
Serial Routers
Serial routers are protocol-dependent devices that break down large networks into smaller subnetworks.
CPU Cards and Modules
CPU cards and modules are computer boards that contain the central processing unit (CPU) of a computer.

Topics of Interest

Overview ISA 2004 retains many of the same features that administrators know and love from ISA 2000, and, in many cases, has improved on them to make them even more functional and easy to use. For...

Firewall Comparative Issues It hasn t been easy, trying to do our part to introduce ISA Server to the IT security community. Once we get past the basic question mentioned in Chapter 1 ( Is ISA...

IPSec Tunnel Mode Site-to-Site VPNs with Downlevel VPN Gateways One of the major improvements that the new ISA firewall has over ISA Server 2000 is that it can be configured to use IPSec tunnel mode...

What s New in ISA 2006 Firewalls By Thomas W. Shinder MD, MVP Many people who currently use ISA 2000 or 2004 will want to know why they should upgrade to ISA 2006 firewalls. While the upgrade from...

IPSec Tunnel Mode Site-to-Site VPNs with Downlevel VPN Gateways One of the major improvements that the ISA 2004/2006 firewall has over ISA Server 2000 is that it can be configured to use IPSec...