MCSE ISA Server 2000- P11: These books include a large amount and different kinds of information. The many different elements are designed to help you identify information by its purpose and importance to the exam and also to provide you with varied ways to learn the material. | Chapter 9 ISA VIRTUAL PRIVATE NETWORKS 273 6. Click For All Users or Only For Myself depending on who will be authorized to use this connection on this computer and click Next. If you select For All Users you will get a dialog box asking you if you want to select Enable Internet Connection Sharing for This Connection. 7. Type a name for the new connection and click Finish. 8. On the Connect Virtual Private Connection window enter your password and click Connect. A pop-up message confirms your connection see Figure . 9. When the connection is made click My Network Places and browse the Windows network. It is a good idea to have a share prepared on an internal system to test the connection. If you can connect to the share the VPN is working see Figure . FIGURE Connecting. Be sure to use the ipconfig command to see the address assigned to the client computer on the network inside the ISA Server see Figure . You can also see this number from the ISA Server by examining the open port in Routing and Remote Access see Figure . FIGURE Opening a share. 274 Part II CONFIGURING AND TROUBLESHOOTING ISA SERVER SERVICES FIGURE Identifying the assigned client IP address. FIGURE Checking RRAS open ports. Configuring VPN Pass-Through Configure the ISA Server computer for VPN pass-through. If the ISA server will not be the VPN endpoint or if internal clients need to connect to external VPN endpoints you must create packet filters which allow these protocols to pass through the ISA server. You might also want to create specific site and content rules and protocol rules to restrict their use. To create VPN pass-through for PPTP SecureNAT PPTP Packet Filter see Figure follow Step by Step STEP BY STEP PPTP VPN Pass-Through 1. Right-click Servers and Arrays name Access Policy IP Packet Filters. 2. Select Properties. 3. Click the PPTP tab. 4. Check the box for PPTP Through ISA Firewall see Figure . 5. Click OK. Chapter 9 ISA VIRTUAL PRIVATE
