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How to Configure Connectivity Monitoring
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To configure connectivity monitoring, complete the following procedure: 1. In ISA Server Management Console, click Monitoring, and then click Connectivity. 2. On the Tasks tab, click Create New Connectivity Verifier. 3. On the Welcome To The New Connectivity Verifier Wizard page, type a name and then click Next.
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Configuring Session and Connectivity Monitoring
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4. On the Connectivity Verification Details page, shown in Figure 11-10, fill in the information listed in Table 11-7.
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Figure 11-10 Configuring a connectivity verifier Table 11-7
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Connectivity Monitoring Configuration Options
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Use This Option To Type the name or URL of the server. Select the group this verifier belongs to. When you choose a particular group, a default verification method for that group is automatically selected. Choose the verification method used for this verifier. You can choose to use an HTTP GET request, Ping request, or a TCP connection. If you choose the TCP connection method, you can also choose the protocol and port number used to create the TCP connection.
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Configuration Option Monitor Connectivity To This Server Or URL Group Used To Categorize This Connectivity Verifier Verification Method
5. Click Next, and then click Finish to complete the wizard. 6. By default, the connectivity verifier will test connectivity with the specified server every 5000 milliseconds. You can modify this setting by right-clicking the verifier in the Connectivity view and then clicking Properties. On the Properties page, modify the value for Specify The Timeout Response (Msec). You can also configure whether the verifier will trigger an alert if the connection fails.
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11
Implementing Monitoring and Reporting
Practice: Configuring Session and Connectivity Monitoring
In this practice, you will configure session monitoring by viewing the sessions open on the ISA Server computer, and by configuring a session filter. You will also configure and test four connectivity verifiers.
Exercise 1: Monitoring Sessions
1. On CLIENT1, open Internet Explorer and connect to http://www.microsoft.com. 2. On DC1, open Internet Explorer and connect to http://www.msn.com. 3. On ISA1, open ISA Server Management Console, and click Monitoring. 4. Click the Sessions tab. Notice the client sessions open on ISA1. 5. Click Edit Filter. In the Filter By drop-down list, click Session Type. In the Condition drop-down list, click Equals. In the Value drop-down list, click Firewall Client. Click Add To List, and then click Start Query. 6. Notice that only the session from CLIENT1 is displayed. 7. Right-click the session from CLIENT1, and then click Disconnect Session. In the Warning dialog box, click Yes. 8. On CLIENT1, refresh the page for http://www.microsoft.com. 9. On ISA1, notice that the CLIENT1 session has been reestablished.
Exercise 2: Configuring Connectivity Monitoring
1. On ISA1, in ISA Server Management Console, click Monitoring, and then click Connectivity. 2. On the Tasks tab, click Create New Connectivity Verifier. 3. On the Welcome To The New Connectivity Verifier Wizard page, type Internet Connection Test, and then click Next. 4. On the Connectivity Verification Details page, fill in the following information:
Monitor Connectivity To This Server Or URL: www.microsoft.com Group Used To Categorize This Connectivity Verifier: Web (Internet) Verification Method: Send An HTTP GET Request
Click Next. 5. On the Completing The New Connectivity Verifier Wizard page, review the configuration and then click Finish. 6. In the Enable HTTP Connectivity Verification dialog box, click Yes. 7. Double-click Internet Connection Test. On the Properties page, under Timeout, change the Response Threshold to 10000 milliseconds. Click OK.
Lesson 3
Configuring Session and Connectivity Monitoring
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8. Create another connectivity verifier with the following configuration:
Connectivity Verifier Name: DC Connection Test Monitor Connectivity To This Server Or URL: DC1.cohovineyard.com Group Used To Categorize This Connectivity Verifier: Active Directory Verification Method: Establish A TCP Connection Using This Protocol: LDAP Connectivity Verifier Name: DNS Connection Test Monitor Connectivity To This Server Or URL: DC1.cohovineyard.com Group used to categorize this connectivity verifier: DNS Verification Method: Establish A TCP Connection Using This Protocol: DNS Connectivity Verifier Name: Network Connection Test Monitor Connectivity To This Server Or URL: 10.10.0.10 Group Used To Categorize This Connectivity Verifier: Others Verification Method: Send A Ping Request
9. Create another connectivity verifier with the following configuration:
10. Create another connectivity verifier with the following configuration:
11. Click Apply to apply the changes. 12. Open Network Connections from the Control Panel. Disable the network interface connected to the external network. 13. In ISA Server Management Console, click the Alerts tab. Wait for the No Connectivity alert to appear. Review the contents of the alert and then right-click the alert. Click Reset. 14. Enable the network interface connected to the external network. 15. On DC1, open a command prompt. 16. Type sc stop DNS. 17. On ISA1, wait for the No Connectivity alert to appear. Review the contents of the alert and then right-click the alert. Click Acknowledge. 18. On DC1, type sc start DNS in the command prompt window. 19. On DC1, disable the Local Area Connection. 20. On ISA1, wait for the No Connectivity alert to appear. Review the contents of the alert. Notice that all three alerts associated with DC1 report an error. Right-click the alerts and click Acknowledge. 21. On DC1, enable the Local Area Connection.
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