In the console tree of ISA Server Management, click
General.
In the details pane, click Define HTTP Compression
Preferences.
On the Content Types tab, select one of the following
options:
Compress all content types except selected to specify
the content types that will be excluded (all others will be
included).
Compress the selected content types only to specify the
content types that will be included (all others will be
excluded)
In Content Types, select specific content types to be
excluded or included.
Notes
To open ISA Server Management, click Start, point to
All Programs, point to Microsoft ISA Server, and then
click ISA Server Management.
For ISA Server 2006 Enterprise Edition, expand
Microsoft Internet Security and Acceleration
Server 2006, expand Arrays, expand
Array_Name, expand Configuration, and then
click General.
For ISA Server 2006 Standard Edition, expand Microsoft
Internet Security and Acceleration Server 2006, expand
Server_Name, expand Configuration, and then
click General.
Important
You can add new content types, and then apply HTTP compression
to these new types. For instructions, see Create a content
type.
The following content types cannot be compressed because they
are already compressed, or cannot be compressed because they are
provided as a stream: