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In both the Add A Program and Add A Port dialog boxes you can click Change Scope. This lets you define the range of computers to which the exception applies. You can specify only computers on the local subnet, any computer, or a list of computers identified by IPv4 address or IPv4 address and subnet mask. You can also specify computers by IPv6 address. Finally, if you access the Advanced tab you can click the Restore Defaults button. This is a valuable feature when you are assisting users who have messed up their firewall settings.

Use the following questions to help determine whether you have learned enough to move on to the next lesson. If you have difficulty answering these questions, review the material in this lesson before beginning the next lesson. You can find answers to these questions in the Questions and Answers section at the end of this chapter. 1. You are the network administrator of a small company. Your company does not publish any servers to the Internet and your ISP handles all Internet services for your organization. You need to enable Internet access for your internal users using only HTTP and HTTPS. What network template and policy would work best for you

def ship2 = SpaceShip { name:"The TARDIS" ; crew:1 ; canTimeTravel:true }; def ship3 = SpaceShip{ name:"Thunderbird 5" }; def ship4 = new SpaceShip(); ship4.name="The Liberator"; ship4.crew=7; ship4.canTimeTravel=false;

You can obtain more information about configured exceptions and perform advanced security configuration by accessing the Windows Firewall with Advanced Security Microsoft Management Console (MMC). This tool enables you to set up and view detailed inbound and outbound rules. You can open the tool from Administrative Tools. If you have not added Administrative Tools to your All Programs menu, you can access the menu by clicking System And Maintenance in Control Panel. You close the UAC dialog box in the normal way and the console appears. Selecting Inbound Rules results in the window as shown in Figure 7-32. Advanced firewall configuration is beyond the scope of this chapter. However, Figure 7-32 shows that File And Printer Sharing (Echo Request - ICMPv4-In) is enabled. Double-clicking this item accesses the dialog box shown in Figure 7-33. You can experiment by accessing all the tabs in this dialog box, but the important setting as far as troubleshooting connections is concerned is that enabling file and printer sharing enables ICMPv4 echo requests, so we can use the ping, tracert, and pathping tools.

2. You use a third-party firewall solution as your Internet-edge firewall. You have installed ISA Server 2004 and you are using it just to take advantage of the caching capabilities. What network template will you choose a. Front Firewall b. Bastion Host c. Edge Firewall d. Single Network Adapter

7-36

You can use the Program Compatibility Wizard to run legacy programs in Windows Vista. Where such programs write to protected areas, Windows Vista sets up directories in the user profile to clone the protected areas. By default, UAC ensures that an administrator account runs without elevated privileges except when such privileges are required to perform an administrator task. The user grants permission for this to happen. A standard user is, by default, prompted to supply administrator credentials if he or she attempts to perform an administrator task. The built-in Administrator account is disabled by default. When enabled, it does not, by default, use UAC and always runs with elevated privileges. You can configure UAC settings to change the user experience of administrators, standard users, and the built-in Administrator. You can configure UAC settings to change how Windows Vista handles unsigned application files and UIAccess applications. You can disable Secure Desktop. You can also disable UAC entirely, but this is not recommended.

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Building: Starship Enterprise Engaging warp drive Building: The TARDIS Building: Thunderbird 5 Warning: no crew! Building: Warning: no crew!

You can use the following questions to test your knowledge of the information in Lesson 1, Configuring and Troubleshooting User Account Control. The questions are also available on the companion CD if you prefer to review them in electronic form.