8. Tap or click OK to save the new settings. After configuring a rule to allow the application through the firewall, open the applica - tion to ensure that it can access necessary resources. If the app does not function as needed, select the firewall rule associated with it again. Removing an app from a Windows Firewall configuration You can remove an app that you have previously granted access through the firewall. This works only with apps you have added to the list; it does not work with Windows 8 apps or services. To remove the previously allowed application, complete the following steps: 1. Locate Windows Firewall by searching for Firewall on the Start screen and selecting Settings. 2. Tap or click Windows Firewall in the list of results. 3. Select Allow An App Or Feature Through Windows Firewall. 4. Locate the application you want to remove from the Allowed Apps And Features List. 5. Select the application, and then tap or click Remove. In the confirmation dialog box, tap or click Yes. Choosing Windows Firewall with Advanced Security Sometimes, just allowing applications or features to pass through Windows Firewall is not granular enough for the type of control needed. Specific ports might need to be configured as allowed, or a specific set of ports might need to be blocked to ensure the security of the computer. These types of configurations are best accomplished by configuring Windows Firewall with Advanced Security, which can be accessed from the Windows Firewall applica- tion by tapping or clicking the Advanced Settings link. Figure 8-2 shows Windows Firewall with Advanced Security before any changes have been made to the configuration. SECURITY ALERT CONTROLLING ADVANCED SETTINGS You can control ports and other advanced settings individually only by using the advanced feature set.
Lesson 1: Managing Windows Firewall and exceptions CHAPTER 8 265 FIGURE 8-2 Windows Firewall with Advanced Security Viewing the initial configuration The initial settings displayed for Windows Firewall with Advanced Security are similar to those for Windows Firewall in Windows 8. The Overview pane, shown in Figure 8-2, displays each network profile along with information about how it is configured. The domain profile is also displayed in the advanced firewall overview. Modifying a firewall profile In Windows Firewall with Advanced Security, a profile is the network type to which the settings apply. Profiles enable the firewall to behave differently, depending on the type of network to which the computer connects. For example, a laptop computer that connects to the contoso.com domain when a user is at work might connect to the wireless network at the local coffee shop on the weekend. Windows might need to block more items on this local network and be more secure than on the contoso.com network. The profiles available for Windows Firewall with Advanced Security enable you to configure these settings.
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