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Rather than manually configuring Windows Firewall with Advanced Security each time you work on a new Windows Vista computer, it is possible to import and export firewall policy, significantly reducing your workload. Imagine that you work for a computer superstore and want to configure 30 different settings in Windows Firewall with Advanced Security for each Windows Vista computer that your store sells. By configuring the Windows Firewall with Advanced Security settings once and exporting that policy to a universal serial bus (USB) device, you can simply import it on every computer that you have to set up, drastically reducing configuration time. Another advantage of this function is that it allows you to save a firewall policy prior to making changes. If you make a mistake, you can simply import the policy configuration that you cleverly exported prior to making firewall configuration changes. To import or export policy, select Windows Firewall With Advanced Security in the console tree, and then click the Import Policy or Export Policy items located in the Actions area on the righthand side of the Windows Firewall With Advanced Security console. If something goes wrong with firewall configuration, you can also click Restore Defaults to return Windows Firewall With Advanced Security to the state it was in when Windows Vista was first installed.

package jfxia.chapter3.access; public class AccessTest { var sDefault:String; package var sPackage:String; protected var sProtected:String; public var sPublic:String;

ISA Server application filters can be used to implement various types of functionality on ISA Server Web filters extend the functionality of the firewall service in ISA Server by providing advanced filtering capability for HTTP packets as they pass through ISA Server One of the most important Web filters included with ISA Server 2004 is the HTTP filter HTTP filters are applied on a per-rule basis To configure the HTTP filters on a particular access rule or Web publishing rule, you must modify the HTTP policy for that rule..

Before taking the exam, review the key points and terms that are presented in this chapter. You need to know this information.

Although it can do many things, the firewall that comes with Windows Vista is primitive compared with enterprise-level firewalls like ISA Server 2006 Enterprise edition. Not only can an enterpriselevel firewall filter based on port, protocol, source, and destination, it can also inspect traffic and filter based on its content. For example, it is possible to block webpage downloads or e-mails at the firewall that contain specific words or file types. In terms of what fully featured enterprise-level firewalls can accomplish, Windows Vista s firewall is only the tip of the iceberg.

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public-read var sPublicReadDefault:String; public-read package var sPublicReadPackage:String; public-init protected var sPublicInitProtected:String; init { println("sDefault = {this.sDefault}"); println("sPackage = {this.sPackage}"); println("sProtected = {this.sProtected}");

In these practices, you will perform several exercises that will familiarize you with the configuration of both the Windows Firewall and Windows Firewall with Advanced Security. To complete all these practices, you need to be logged on to Windows Vista with an account that can use elevated privileges. Practice 1: Configuring an Exception By Using Windows Firewall In this practice, you will configure an exception in the standard Windows Firewall to allow incoming TCP traffic on port 6667 on the currently active profile. Normally, you would do this if you were running an Internet Relay Chat server off your Windows Vista computer. 1. Open the Windows Firewall item in the Control Panel. 2. Click Change Settings. 3. Click Continue to close the User Account Control dialog box. 4. In the General tab, ensure that the Block All Incoming Connections check box is cleared. 5. In the Exceptions tab, click Add Port. 6. In the Add A Port dialog box, type IRC Server in the Name text box and 6667 in the Port Number text box. Click OK to close this dialog box. 7. Click OK to close the Windows Firewall Settings dialog box. Practice 2: Configuring an Inbound Rule By Using Windows Firewall with Advanced Security In this practice, you will create a rule that allows hosts on the subnet 10.10.10.0 /24 to connect to a web server on your Windows Vista computer. 1. Open Windows Firewall with Advanced Security by opening the Administrative Tools item in Control Panel. 2. Click Continue to close the User Account Control dialog box. 3. In the Windows Firewall With Advanced Security console, click Inbound Rules. 4. In the Actions pane, click New Rule. 5. On the Rule Type page, select Custom, and click Next.

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