Particular focus is placed
on establishing a proper security methodology to avoid
mistakes in deployment. So as to ensure a secure and
updated design, specific steps to upgrade existing ISA 2000
Servers to ISA Server 2006 are presented as well. Finally,
sample designs of small-, medium-, and large-sized organizations
are presented.
Preparing for an ISA Server 2006
Design
When designing ISA Server implementations of any size, it
is important to establish and utilize a design methodology
that is proven to have successful results. There are many
different ways of approaching this, and different methodologies
have varying levels of success, depending on the
114 CHAPTER 4 Designing an ISA Server 2006 Environment
specific needs of the organization. In general, it is best practice to follow whatever design
methodology has proven to work best in the past. That said, a common design methodology
for ISA Server that works well is one that focuses on outlining current security needs
and goals and matches them to specific ISA functionality.
Identifying Security Goals and Objectives
Although seemingly straightforward, it is often difficult to define what goals or objectives
ISA Server 2006 is meant to achieve.
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