To block responses containing Windows
executable content
In the console tree of ISA Server Management, click
Firewall Policy.
In the details pane, click the applicable access rule or Web
publishing rule.
On the Tasks tab, click Edit Selected Rule.
On the Traffic tab (for Web publishing rules) or on the
Protocols tab (for access rules), click Filtering,
and then click Configure HTTP.
On the General tab, click Block responses containing
Windows executable content.
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, and then click Firewall
Policy.
For ISA Server 2006 Standard Edition, expand Microsoft
Internet Security and Acceleration Server 2006, expand
Server_Name, and then click Firewall
Policy.
Important
When you select this option, responses in which the first word
of the downloaded binary file is MZ are blocked. For
example, all .exe files are blocked, but .com and .pif files are
not blocked.
After you click Apply in the details pane, the policy is
updated. The new policy applies only to new connections.
Get latest ISA Server
content at ISA Server
Guidance(http://www.microsoft.com/).
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