TIP
One of the major advantages that ISA has over many of the other hardware firewalls is
the fact that it can be installed and run on any standard Intel-based server hardware.
This makes it much easier to swap out hardware components if they fail. It is therefore
advantageous to use the same standard hardware configuration as other systems to
set up ISA Server. For example, many organizations that use a common 1U rackmounted
server model for their Active Directory domain controllers, Exchange Client
Access servers, MOM monitoring servers, and other systems can easily set up ISA
on the same 1U standard, making it easier to swap out hardware and components
if necessary.
Archiving Event Logs
The three event logs on all ISA servers can be archived manually or with the use of a
utility such as MOM 2005. The event logs should be archived to a central location for ease
of management and retrieval.
The specific amount of time to keep archived log files varies on a per-organization basis.
For example, banks or other high-security organizations may be required to keep event
logs up to a few years. As a best practice, organizations should keep event logs for at least
three months.
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