Configure application filtering for a firewall policy rule

To configure application filtering for a firewall policy rule

In the console tree of ISA Server Management, click Firewall Policy.
In the details pane, click the applicable rule.
On the Tasks tab, click Edit Selected Rule.
On the Protocols tab (Traffic tab for server publishing), click Filtering, and then select one of the following:
- To configure HTTP filtering, click Configure HTTP.
- To configure RPC filtering, click Configure RPC protocol. This applies for access rules only.
- To configure FTP filtering, click Configure FTP.

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

You can only configure application filtering if the rule applies to the specific protocol:
- HTTP filtering. The rule must apply to HTTP.
- RPC filtering. The rule must apply to an RPC protocol.
- FTP filtering. The rule must apply to FTP.
You cannot configure application filtering for a firewall policy rule that denies traffic. This is true even for protocols that are specified in the Exceptions list on the Protocols tab.
After you click Apply in the details pane, the policy is updated. The new policy applies only to new connections.