To properly work with ISA2000, SightSpeed uses the Microsoft Firewall Client. This is due to ISA2000's lack of source port filtering in its firewall rules. The instructions below will walk you through configuring the Firewall Client for SightSpeed. If you do not wish to use the firewall client, then your only other option is to allow all outbound UDP traffic for the clients who want to use SightSpeed. ISA2004 does not have this issue.

1. Open up a MMC with the ISA manager. Click on Click on "Client Configuration", then Firewall Client

2. Click on the "Application Settings" tab. In this screen you are going to add two entries for SightSpeed

3. Click on the "New" button. Create an entry using the following details. Then click OK

4. Click on the "New" button again. Create an entry using the following details.

5. The ISA server is now configured.

6. On the client machine needing access you must install the Firewall client. To do this, open up the share on the server (If you ISA box is called ISA2000, then open My Computer and navigate to ISA2000 . There is an installer file there to use. You can only find the installer on the ISA machines share.