How to set up Win2003's own firewall to prevent hacker attacks (illustration)

<quo;Breakwave” One of the characteristics of worms is to use a vulnerable operating system for port attacks. Therefore, an easy way to prevent such viruses is to block unnecessary ports. Firewall software has this function. Windows 2003 or Windows XP users do not need to install any other software, because they can use the system's own "Internet Connection Firewall" to prevent hacker attacks.

<quo;Breakwave” One of the characteristics of worms is to use a vulnerable operating system for port attacks. Therefore, an easy way to prevent such viruses is to block unnecessary ports. Firewall software has this function. In fact, users of Windows 2003 or Windows XP do not need to install any other software, because they can use the system's own "Internet Connection Firewall" to prevent hacker attacks.

First, the basic settings

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

2, then right click on “local connection", select “property", the interface of Figure 1 appears. As shown in the figure, select the “Advanced” option and select “Internet Connection Firewall” to confirm that the firewall will function.
Fig. 1

Second, test basic settings

1, ping this machine on another machine, Request timed out means ping different local

2 Another vulnerability scan tool was used on a machine to scan the port that was found to be not open.

After these two tests passed, the firewall has already played a role.

Three, advanced settings

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

1, select the service to be opened

As shown in Figure 3, if the machine needs to open the corresponding service to select the service, this example selects the FTP service, so from other The machine can FTP to the machine, scanning the machine can find that port 21 is open. You can increase the corresponding service port by pressing the “Add” button.
Figure 3

2, setting the log

As shown in Figure 4, select the item to be recorded, the firewall will record the corresponding data, the log defaults to c:\\windows\\pfirewall.log, Notepad can be opened to see.
Figure 4