Smartly set up a firewall to deal with virus attacks

Nowadays, many viruses are going through the air and exploiting the vulnerabilities of the operating system to attack the ports, causing the system to crash. For the users of the win2003 system, it is very simple to solve this problem. The function of the “Internet Connection Firewall” that comes with the win2003 system can be handled subtly.

First, the basic settings

1, right click on the "My Network Places", select "Attributes".

2, then right-click "“local connection", select "ldquo; attribute", the interface shown in Figure 1. As shown in the figure, select the “Advanced” option and select “Internet Connection Firewall” to confirm that the firewall will function.

Second, the basic test set

1, the other is present on a loom ping machine, the Request timed out ping represents a different native

2, Scan the machine with a vulnerability scanning tool on another machine to find ports that are not open.

After both tests passed, the firewall has been used.

Third, advanced settings

Click on the "Settings (G)..." button in Figure 1 to display the interface of Figure 2 for advanced settings.

1, select the service to be opened

3, if present the optional confidential open the corresponding service in the service, the present embodiment is selected FTP service, so the Other machines can FTP to the machine, and scanning the machine can find that port 21 is open. You can increase the corresponding service port by pressing the “Add” button.

2, set the log

4, select the item to be recorded, the firewall will record the corresponding data, by default logs in c: \\ windows \\ pfirewall.log, Use Notepad to open it.

Through this introduction, the use win2003 system comes with & ldquo; Internet Connection Firewall & rdquo; function, after setting several aspects, we can subtly prevent virus attack.