Win2003 Tip: Firewall Settings

We all know the powerful features of the firewall in the system. In Windows 2003, the firewall is called the Internet connection firewall, allowing secure network communication to enter the network through the firewall, while rejecting unsafe Communication enters to protect the network from external threats. How to set up such a powerful firewall in Win2003 system?

Steps to set the system firewall:

First, right click on the lower right corner of the desktop “local connection” icon, click “Status” Options.

Second, the "Local Connection Status" dialog box appears, click the "Properties" button.

Third, click on the “Advanced” tab in the pop-up "Local Connection Properties" dialog box.

Fourth, the following figure appears to start/stop the firewall interface. Enable the Internet Connection Firewall, check the "Protect my computer and network by restricting or blocking access to this computer from the Internet" checkbox, and click the “Settings" button.

5. In the Service tab of the pop-up "Advanced Settings" dialog box, set the Web service of the firewall, and select the "Web Server (HTTP)" option.

6. Click the “OK” button. Once set, network users will not be able to access other network services provided by the server other than the web service.

Note: You can choose according to the services provided by Windows 2003 server, you can choose more. The standard service system is already preset in the system, you just need to select the appropriate option. If the server also provides non-standard services, it needs to be manually added by the administrator.

VII. Add the settings of the service, click the “Add” button.

VIII. In the “Add Service” dialog box, you can fill in the service description, IP address, port number used by the service, and select the protocol used (Web service uses TCP protocol, DNS query) Use the UDP protocol) to set up non-standard services.

Note: It is necessary to establish a security log, which provides reliable evidence when server security is compromised.

IX. Set the firewall security log settings. In the “Advanced Settings” dialog box, select the “Security Log” tab, and the “Security Log Settings” dialog box appears. Select the records to be recorded. Project, the firewall will record the corresponding data. The default path of the log file is C:\\Windows\\Pfirewall.log, which can be opened with Notepad. The format of the generated security log is W3C extended log file format, which can be viewed and analyzed by common log analysis tools.

Ten, Internet connection firewall summary

Internet connection firewall can effectively block the illegal ** of the Windows 2003 server, prevent illegal remote host to the server, thus improve Windows 2003 Server security. At the same time, it can also effectively intercept viruses that use the operating system **** for port attacks, such as worms such as shockwaves. If you enable this firewall feature on a virtual router built with Windows 2003, it can protect the entire internal network.

The above is the specific step of setting up the Win2003 system firewall. On the Windows 2003 server, the firewall function is enabled for the computer directly connected to the Internet, and the network adapter, DSL adapter or dial-up modem is connected to the Internet. Now follow the steps above to experience the power of the firewall.