Windows Vista Firewall features detailed

Source: Internet
Author: User
Keywords Firewalls functions security

Network security has been more and more people pay attention to, and in ensuring their own computer security, the most important means is to install anti-virus software, network firewall and anti-http://www.aliyun.com/zixun/aggregation/34906.html " > Spyware and other programs. Microsoft naturally does not overlook this and has launched a free Internet Connection Firewall in earlier versions of Windows XP, but the software is very limited in functionality, with only simple inbound access restrictions (that is, only restricted network connections initiated from the network Shanben). Although the firewall was renamed Windows Firewall in Windows XP SP2, there is not much improvement in functionality.

So is there any innovation in the system's own firewall in Windows Vista, the next-generation OS of Microsoft? Under the thick look, you may 211.html "> feel disappointed because the firewall in Vista doesn't make any difference in the interface with Windows XP SP2, but don't worry. , the firewall feature in Vista is greatly improved, but most of the functionality needs to be set by security policy (part of Group Policy) to feel it.

This article takes the beta version of Windows Vista December 2005 CTP As an example, with the version number 5270. Of course, in the official version of the feature may be different in detail, I hope you can pay attention to.

Functionally, the firewall in Vista (referred to as the firewall below) mainly increases the restrictions on the Internal Program Access network (that is, outbound connections), and the connection restrictions between other computers. To demonstrate the use of the firewall, we will simulate two different scenarios in terms of actual usage.

Enable firewall

Run Secpol.msc first, open the Local Security Settings window, and then navigate to the Security settings | In the tree diagram on the left. Windows Firewall with Advanced (Windows Firewall with Advanced security features) "|" The Windows Firewall with Advanced secure on the local Computer (Windows Firewall with Advanced security features on your computer) node, you will see an interface similar to Figure 1, All of the features described below will be set here.

Figure 1

Under the Overview (Overview) option, we can see that the firewall has two profiles (profile) for both the domain environment and the stand-alone/workgroup environment, which is already available in Windows XP SP2 Windows Firewall. But there have been more obvious improvements. The following is an example of an operation in a stand-alone environment.

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