Allow specified source ports for an access rule

To allow specified source ports for an access rule

In the console tree of ISA Server Management:
- For ISA Server 2006 Enterprise Edition, for a specific enterprise policy, expand Microsoft Internet Security and Acceleration Server 2006, expand Enterprise, expand Enterprise Policies, and then click Enterprise_Policy.
- For ISA Server 2006 Enterprise Edition, for array-level firewall policy, 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.
In the details pane, click the applicable access rule.
On the Tasks tab, click Edit Selected Rule.
On the Protocols tab, click Ports.
Select one of the following:
- Click Allow traffic from any allowed source port if traffic is allowed from any port on the allowed source clients, as specified on the From page.
- Click Limit access to traffic from this range of source ports if traffic is only allowed from ports on the allowed source clients, as specified on the From page. Then, in From and To, type the range of source ports allowed.

Note

To open ISA Server Management, click Start, point to All Programs, point to Microsoft ISA Server, and then click ISA Server Management.

Important

You can only limit access from specific ports for primary connections.
After you click Apply in the details pane, the policy is updated. The new policy applies only to new connections.
Configure specific source ports to limit client traffic to traffic originating from the ports in that range.