A firewall is software or hardware that helps prevent hackers and certain types of malware from entering your computer through the Internet or the Internet. To achieve this, the firewall checks for information from the Internet or the network and then blocks or allows the information to pass through and enter your computer. The Windows 8 Home (Win8e.com) is organized from the Internet and Microsoft's official website.
firewall is not the same antivirus application or anti-malware application. Firewalls help protect against worms and hackers, antivirus apps help prevent virus infections, and anti-malware applications help prevent malware from invading. You need to have these three security protections at the same time. You can use Windows Defender, anti-virus and anti-malware that comes with Windows 8, or use other anti-virus and anti-malware applications.
on your computer just a firewall application (in addition to the network router may be built outside the firewall). If you have multiple firewall applications installed on your computer, it can cause conflicts and problems.
Windows Firewall with pay for Windows, is enabled by default.
The figure below shows how the firewall:
firewall between the Internet and the computer forms a barrier
recommends the following default firewall settings:
< BR> 1. Enable the firewall for all types of networks (private networks, public networks or domains).
2. firewall is enabled for all network connections.
3. Firewall blocks all inbound connections other than the special permission of your connection.
Turn Windows Firewall
1. Open the "Windows Firewall" in the following way: swipe from the right edge of the screen to the center, click on the "Search" (if you are using a mouse, pointing to the screen In the upper right corner, then move the pointer down, then click Search, enter the firewall in the search box, and then click or click Settings and Windows Firewall.
2. In the left pane, click or click "Enable or disable Windows Firewall." You may be asked to provide an administrator password or confirm your choice. The left pane
Windows Firewall to perform one of the following:
1. Tap or click under each type of network you want to protect the "Enable Windows Firewall" , then click or click "OK".
2. Click in to stop protecting each network type or click "Turn off Windows Firewall (not recommended)", then click or click "OK."
Warning: unless you have another firewall enabled, otherwise please do not turn off the Windows Firewall. Turning off the Windows Firewall may make the computer (and the network, if any) more vulnerable to worms or hackers.
Note: If your computer is connected to a network, network policy settings may prevent you from completing these steps. Please contact your administrator for more information.
Understanding Windows Firewall settings
you can get for each type of network (public network, private network or domain) four user-defined settings. To find these settings, follow these steps:
1. Open the "Windows Firewall" in the following way: swipe from the right edge of the screen to the center, click on the "Search" (if you are using a mouse, pointing to the screen In the upper right corner, then move the pointer down, then click Search, enter the firewall in the search box, and then click or click Settings and Windows Firewall.
2. In the left pane, click or click "Enable or disable Windows Firewall." You may be asked to provide an administrator password or confirm your choice.
The following is a set of these functions and their application:
1. Windows Firewall is enabled. This setting is selected by default. When the Windows Firewall is enabled, most applications are blocked from receiving information through the firewall. If you want to allow an app to receive information, follow these steps to add it to the list of allowed apps. For example, you might not be able to receive photos using instant messaging until you add an instant messaging app to your list of allowed apps.
2. Block all incoming connections, allows the application includes the application list. This setting will prevent anyone from trying to connect to your computer without asking. This setting can be used when you need maximum protection from your computer (for example, when you are connected to a public network at a hotel or airport). (When you select the "No, don't enable sharing or connect to device" setting for a network, it is automatically blocked.) If you block all incoming connections, you can still view most web pages, send and receive emails, and send And receive instant messages. Notify me stop new applications
3.Windows firewall. If you check this box, Windows Firewall will notify you when it blocks new apps and gives you the option to unblock the app.
4. Turn off Windows Firewall (not recommended). Please avoid using this setting unless your computer is running another firewall application.
Note: If some firewall settings are unavailable and your computer is connected to a domain, it may be the system administrator is controlling those settings through Group Policy.
permit application case, Windows Firewall blocks most applications to help ensure that your computer more secure by default firewall receives information
. Some apps may require you to allow them to receive information through a firewall in order to work properly.
1. Open the following ways "Windows Firewall": swipe from the right edge of the screen to the center, click on the "Search" (if you are using a mouse, point to the upper right corner of the screen, then move the cursor down, Click Search again, enter the firewall in the search box, and then click or click Settings and Windows Firewall.
2. In the left pane, click or click "Allow application or feature through Windows Firewall."
Windows Firewall in the left pane
click or click "Change Settings."
3. You may be asked to provide an administrator password or confirm your choice.
4. checking the box next application to be allowed to select the type of network to permit communication, and click "OK."
WARNING: Allow applications through the firewall before receiving the information, make sure you understand the risks. For more information, see What are the risks of allowing an app to pass through a firewall?
open ports in Windows Firewall If Windows Firewall to block an application, and you want to allow the app to receive information through the firewall, can generally be a part of the former, by allowing The application is selected in the application list to implement.
However, if the application is not listed, you may need to open a port (a method for receiving information through firewall application allows). For example, when you are online with a friend for a multiplayer game, you may need to open a port for the game so that the firewall can allow game information to reach your computer. The port is always open, so be sure to close the port that you no longer need to open.
1. Open the following ways "Windows Firewall": swipe from the right edge of the screen to the center, click on the "Search" (if you are using a mouse, point to the upper right corner of the screen, then move the cursor down, Click Search again, enter the firewall in the search box, and then click or click Settings and Windows Firewall.
2. In the left pane, click or click the "Advanced Settings." You may be asked to provide an administrator password or confirm your choice.
3. In the left pane of the dialog "Advanced Security Windows Firewall", click or click the "Inbound Rules", then in the right pane, click or click "New Rule" .
4. Follow the instructions on the screen.