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Windows comes with the firewall is the deaf ear --- furnishings,In the face of some professional attacks and prevention, it is not as good as a professional firewall,If it is a vulnerability to the system to attack the computer,The system and the firewall have become the first line of defense,There is no primary and secondary talk,And the professional antivirus firewall combines the system software and its own regularity and new,He is the first line of defense,Even if the line of defense is breached,You still have a chance to save。
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Win7 system comes with firewall function, by default, the firewall is turned on, but some computers don't know whether the firewall function of win7 is useful? Although the firewall may prevent viruses from penetrating, there are still doubts about the function of the firewall. Next, let's analyze with you whether the firewall that comes with the win7 system is useful?
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In fact, win7's built-in firewall is completely a chicken rib, which has no practical meaning, and turning on win7's built-in firewall may also cause some functions to not work normally.
For example: LAN user file sharing printer sharing, when you turn on the built-in firewall of win7, it may cause failure to share or direct error;
If you turn on the win7 built-in firewall will also cause every time your computer uses a new application and needs to connect to the Internet, the win7 built-in firewall will pop up a prompt, prompting whether you allow, of course, it is "allowed", for online game players, win7's built-in firewall will cause the game to be unable to log in normally.
So He Sou, in conclusion: It is highly recommended that you turn off the firewall that comes with the Windows system, because you have installed anti-virus software or security guards on your computer, they all have all the functions that the firewall has, and it is more powerful.
I believe that according to the above introduction, you know whether the firewall that comes with the win7 system is useful, if you want to turn off the firewall function of the user, you can refer to: win7 system how to turn off the firewall (**).
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The purpose of Windows Firewall is to allow or restrict the passage of transmitted data according to specific rules.
Windows Firewall does not affect the use of network applications that only use the system such as browsing, e-mail, etc. In other words, if you use Internet Explorer, OutlookExpress and other programs that come with the system to connect to the network, the firewall will not intervene by default.
Here's how to turn on Windows Firewall:
1. We first turn on our computer and then find the computer.
2. After turning on the computer, we click to open the control panel.
3. Then we select the System and Security options in the Control Panel options.
4. Then we click on the Windows Firewall option.
5. After we enter Windows Firewall, click on the left side to turn on or off Windows Firewall.
6. We can turn the firewall on or off according to our own needs in the location shown in the figure.
7. We choose to enable Windows Firewall, and click OK after the setting is completed, and the setting will take effect.
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