Win7 firewall settings to keep your computer safe

In the Internet prevalence today, network security problems can not be ignored, and firewall is the barrier system and the external network of a door, the correct setting of the firewall can guarantee the most basic security, this article to introduce you to the Win7 built-in firewall setting method.

　　

Click on the Win7 system desktop to the lower left of the circular Start button, turn on the Win7 system "Control Panel → system and Security →windows Firewall", you can open the Win7 system from the firewall.

　　

Choose Windows Firewall from the Win7 Control Panel

　　

Win7 set up the main interface with Windows Firewall

Customizing security rules for different use environments

In different computer use environment users of the firewall security requirements are also different, such as in the office or the home of the local area network, for the convenience of users on the LAN to transfer files or play games together, do not need too high firewall security rules While holding a notebook everywhere using a public WiFi connection when surfing the Internet, you do not want any external connections to access your computer, you need to set a relatively high firewall security rules. Win7 firewalls make it easy to define different settings for different network environments.

Click on the "Turn on or off Windows Firewall" on the left side of the Win7 firewall to open the firewall's custom interface, where users can set different security rules for their home or work local area network and for their public networks. Users on both networks are enabled and turned off two choices, that is, enabling or disabling Windows Firewall. There are two more check boxes under the firewall, one to block all incoming connections, including programs in the list of allowed programs, and the other to notify me when Windows Firewall blocks new programs. When a user enters a less secure network environment, you can select the check box "block all incoming connections" to prohibit all external connections, even if Windows Firewall is set to "exceptional" services that are blocked and provide tight security for computers in a complex environment.

　　

Allow a program to pass through the Win7 firewall alone

The Win7 firewall supports detailed software personalization, allowing a user to independently allow a program to communicate through a firewall.

Click "Allow program or function through Windows Firewall" in the left menu of Win7 Firewall main interface, the list can see the commonly used network software, we can check the checkbox to allow or block the communication state of a program software in the home or public network. If you need to add the level or functionality that is allowed through the Win7 firewall, just click the "Allow another Program" button in the lower-right corner to set up programs that need to pass through the firewall.

　　

In the Add program interface, we can manually select the program in the list of programs, such as some programs do not appear in the list, you can click the "Browse" button to manually select the address of the program.

　　

Easily restore default settings

If the user does not set the firewall properly, it is likely that the system will not be able to access the network situation. If the user does not know exactly what settings cause some applications will not work or access to the network, you can click on the left side of the Win7 firewall main interface "restore Defaults" to restore the firewall configuration to the Win7 firewall default state, easy "one-click Restore."

　　

Let Win7 with the firewall at any time to check the network information, according to the set of flexible block or allow information through the computer. Using a good Win7 firewall not only helps prevent hackers or malicious software (such as worms) from accessing computers over the network, but also helps prevent computers from sending malware to other computers, while flexible settings ensure the smooth use of networks and programs and applications in a secure manner.