Learn about Windows® Firewall
What is Windows Firewall? What is the technique to customize Windows Firewall when using Service Pack 2 on Windows XP?
A firewall is a software that filters information coming online or from a network, and blocks it or allows it to pass through your computer, depending on your firewall settings. A firewall can prevent viruses and Trojan horses that act as hackers for gaining access to your computer through a network or the Internet. A firewall can also help stop your computer from sending malicious software to other computers. Windows Firewall is a packet filtering software component. It is a host based firewall that is enabled by default and configured to reject unsolicited incoming IP traffic unless exceptions are configured to allow such traffic for specific applications or on specific ports.
Find below the customization of Windows Firewall when deploying Service Pack 2 on Windows XP:
- Manual configuration
- Using Netsh
- Using Group Policy
The two steps for the easy configuration of Windows Firewall are: Manually disable Windows Firewall on Windows XP Service Pack 2 machines. To do this, open Windows Firewall in Control Panel and select the Off option on the General tab. The second step is to manually allow incoming traffic on TCP port 80 for Windows XP Service Pack 2 machine running as an Intranet web server in a workgroup environment. To do this, open Windows Firewall in Control Panel, switch to the Exceptions tab and click the Add Port button. Then type a descriptive name for the new exception and specify that TCP port 80 be statically opened for unsolicited inbound traffic.
In this method of customization of Windows Firewall when deployed on Windows XP, the latest netsh Firewall context is used for configuring Windows Firewall. In the Service Pack 2 of Windows XP based machine, it is done by executing the right netsh commands after opening the command prompt box. While on a run-once script, it is done by creating a batch file of netsh commands.
It is employed in active directory to configure Windows Firewall on your Windows XP Service Pack 2 desktops. You can update your existing Group Policy Objects with the latest Windows Firewall policy settings in the updated System.adm template that is included in Windows XP Service Pack 2, which makes a new Windows Firewall folder under Network Connections in the Administrative Templates part of Computer Configuration. After updating Group Policy Object, you can configure Windows Firewall by changing the policy settings under Domain Profile or Standard Profile according to the requirement.
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