What and How Basics of Windows Firewall

What is a Firewall?
Firewall is a software or hardware which helps users in detecting and keeping all the malwares away from PC. Firewall is the most effective software that helps you in protecting your PC. It is also important to turn on your firewall prior to connecting to the Internet.Windows_Firewall

Need of Firewall –
Today computer environment has become pretty unreceptive. Hence, it has become very important to get a complete protection for your computer security otherwise hackers can get access to your PC as well as your valuable data. Apart from hackers, your computer can also get affected by Virus and other malwares. Firewall is used as a preventive measure to stay away from all such malicious items.

How does Windows Firewall work?
Windows Firewall monitors every-network traffic which is enabled. Firewall keeps track of every communication that is originated from your PC and also it prevents your PC from all the unsolicited items.

If needed, firewall dynamically opens ports and allows your computer to receive traffic that you have specifically requested, such as a Web page for which you have clicked the address.

Windows Firewall also helps user in blocking of unidentified traffic that can reach to your PC. For special uses, such as networking, hosting online games, or hosting your own Web server, you can select ports which you want to leave open. This allows others to make connections to your computer, but it can also reduce security.

It is always suggested that a firewall product must be well aware of windows firewall basics and use procedure.

Nonetheless, configuration of firewall creates issues in browsing of many websites, such as, gaming sites, web or other server. If you are also facing such issues, these problems can be well-treated with help of expert computer technicians.

(Note - Apart from handling the issues of Windows Firewall, technical support experts also help you configuration of complete PC protection system.)

Benefits

* Windows 7 firewall is considered of high importance for big corporate houses. They serve as a core of secure networking environment and keep hackers staying away from your computer and crucial information.

* It offers a secure web browsing environment and reduces of your worries any data theft. It also diminishes the percentage on internal threats.

* If you want an extensive reach on internet. You can customize your firewall settings. This would help you in blocking only unwanted IP address but rest would be functioning nice.

* You can decide upon the protocols to be included in your firewall's filters. You can customize it for some of the commonly used protocols, which are: IP, HTTP, TCP, FTP, SMTP etc.

* Your firewall can be to customized to allow or block any port number

How to configure Windows Firewall on Your PC

* Click the Windows icon & select Control Panel

* Click on System and Security.

* Click on Windows Firewall

* If a green check mark is visible, you are running Windows Firewall.

Types of Firewall
There are various types of Firewall which can be configured on your PC. These are respectably -


* Packet filtering firewall – this firewall is used to examine the information available in the header of message packet.

* Application-level gateways – This firewall work on the application layer of the protocol and it works in a pretty intelligent manner than the packet filtering firewall.

* Circuit-level gateways

* Hybrid firewall