Today, the Internet is prevalent, network security issues can not be ignored, and the firewall is a barrier to the system and the outside network, the correct setting of the firewall can ensure the most basic security of the system, this article will introduce you to the setting method of win7 built-in firewall.
Click the circular start button at the bottom left of the Win7 system desktop, and then open the Win7 system's "Control Panel & Rarr; System and Security & Rarr; Windows Firewall", you can open the Win7 system's own firewall.
Select Windows Firewall from Win7 Control Panel
Win7 comes with Windows Firewall Settings Main Interface
Customize Security Rules for Different Environments
Users in Different Computer Environments The security requirements of the firewall are also different. For example, in an office or a home LAN, in order to facilitate users in the LAN to transfer files or play games together, there is no need for too high firewall security rules; When Wifi is connected to the Internet, you do not want any external connection to access your own computer. You need to set a higher firewall security rule. The Win7 firewall can easily be configured differently for different network environments.
Click on the left side of the main interface of the Win7 firewall to open or close the Windows Firewall. You can open the customized interface of the firewall, where users can set different security rules for the home or work area network and the public network. Users in both networks have the option to "enable" and "close", which is to enable or disable the Windows Firewall. There are two checkboxes under Enable Firewall, one is “Block all incoming connections, including programs in the list of allowed programs”, and the other is “Notify me when Windows Firewall blocks new programs”. When the user enters a less secure network environment, you can check the "Block all incoming connections" check box to block all external connections, even if the Windows Firewall is set to "Exception" service will be Blocking and providing tight security for computers in complex environments.
Allow a program to support detailed software personalization through the Win7 firewall
Win7 firewall. Users can individually allow a program to communicate through the firewall.
Click on the menu on the left side of the Win7 firewall main interface to allow programs or functions to pass through the Windows Firewall. You can see the commonly used network software in the list. We can allow or block some by checking the checkbox here. The communication state of the program software in the home or public network. If you need to add the degree or function that allows you to pass the Win7 firewall, just click on the "Allow another program" button in the lower right corner to set up the program that needs to pass through the firewall.
In the "Add Program" interface, we can manually select the program in the program list. If some programs do not appear in the list, you can also click the "Browse" button to manually select the address of the program. .
Easy to restore the default settings
If the user does not set the firewall properly, it is likely to cause the system to be unable to access the network. If the user is not sure what settings are causing some applications to not work properly or cannot access the network, you can click the “Restore default settings” on the left side of the main interface of the Win7 firewall to restore the firewall configuration to the default state of the Win7 firewall. Easily One-click restore & rdquo;.
Let Win7 bring its own firewall to check network information at any time, and flexibly block or allow information to pass through the computer according to the settings. Using the Win7 firewall not only helps prevent hackers or malware (such as worms) from accessing the computer through the network, it helps prevent the computer from sending malware to other computers, and the flexible settings ensure the smooth use of the network and programs while safe. application.