c# qr code generator source Exercise 1: Creating the Quarantine Client-Side Script in Visual C#

Painting QR Code in Visual C# Exercise 1: Creating the Quarantine Client-Side Script

Exercise 1: Creating the Quarantine Client-Side Script
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1. Copy the file Rqsscript.cmd located in the \Labs folder on the companion CD-ROM of this book to ISA1. 2. Save the file as Rqsscript.cmd in the C:\VPNQuarantine folder.
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Note This script is a simple script that just checks for the presence of a file called Access.txt on the root of C: drive. In the real world, you will need to use a different script.
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Lesson 4
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Configuring VPN Quarantine Control
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Exercise 2: Installing and Configuring the Network Quarantine Service Using ConfigureRQSForISA.vbs
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1. Open a command prompt and switch to the C:\VPNQuarantine directory. 2. At the command prompt, type Cscript configurerqsforisa.vbs /install Version7a c:\program files\windows resource kits\tools and press ENTER. 3. Wait until the script finishes running and then close the command prompt.
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Exercise 3: Confirming the ISA Server Configuration
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1. On the Start menu, click Run. 2. In the Run dialog box, type regedit.exe, and then press ENTER. 3. In the Registry Editor window, select the HKEY_LOCAL_MACHINE\SYSTEM\ CurrentControlSet\Services\rqs key. 4. Confirm that the AllowedSet key was created and configured with a value of Version7a. Version7a is the identifier of the script (Rqscript.vbs) that this practice uses to check the security configuration of the client computer. 5. Confirm that the Authenticator key was created and configured with a value of C:\Program Files\Microsoft ISA Server\vpnplgin.dll. 6. Close the Registry Editor window. 7. On the Start menu, click Administrative Tools, and then click Services. 8. In the Services console, in the right pane, right-click Network Quarantine Service, and then click Properties. 9. Ensure that Network Quarantine Service is set to start automatically and that it is started. Click OK. 10. Close the Services console.
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Note When the security configuration of the VPN client computer meets the security policy, the Rqc.exe application on the client computer notifies the Rqs.exe service on ISA Server that the quarantine restrictions can be removed. This requires an access rule to allow communication (using TCP Port 7250) from the Quarantined VPN Clients network to the Local Host network (ISA Server).
11. In ISA Server Management, click Firewall Policy. 12. In the task pane, on the Toolbox tab, click Protocols and expand User-Defined.
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Configuring Virtual Private Networks for Remote Clients and Networks
13. Double-click RQS and on the Parameters tab, confirm that the configuration matches the following settings and then click OK:
Protocol type: TCP Direction: Outbound Port Range From: 7250 Port Range To: 7250
A new firewall-access rule is required that allows RQS communication from a VPN client computer on the Quarantined VPN Clients network to ISA Server.
Note
14. In the task pane, on the Firewall Policy tab, double-click Network Quarantine (RQS). 15. On the Action tab, confirm that Allow is selected. 16. On the Protocols tab, confirm that the access rule applies to the RQS protocol only. 17. On the From tab, confirm that the rule accepts traffic from the Quarantined VPN Clients, VPN Clients networks. 18. On the To tab, confirm that the rule applies to traffic sent to the Local Host network. 19. Click OK.
Exercise 4: Enabling Quarantine Control
1. In the ISA Server Management Console, in the left pane, expand Configuration and select Networks. 2. In the right pane, on the Networks tab, right-click the Quarantined VPN Clients network, and then click Properties. 3. In the Quarantined VPN Clients Properties dialog box, on the Quarantine tab, select Enable Quarantine Control. 4. In the message box, click OK to confirm that enabling quarantine requires configuration on both the computer running ISA Server and VPN client computers. 5. Ensure that Quarantine According To ISA Server Policies is selected. 6. Click Disconnect Quarantine Users After (seconds) and type 60 in the text box. Click OK. 7. Click Firewall Policy, and then click the Coho Vineyard VPN Server publishing rule. On the Tasks tab, click Disable Selected Rule. 8. Click Apply to apply the changes.
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