In the console tree of ISA Server Management, click
General.
In the details pane, click Enable Intrusion Detection and
DNS Attack Detection.
On the Common Attacks tab, click Log dropped
packets.
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
By default, when you install ISA Server, all dropped packets
are logged.