A firewall software application aims at controlling access to or from a computer for security related concerns. A firewall is a software program, hardware device, or a combination of both that keeps a vigilant watch over your incoming data coming through the Internet connection into your computer. The firewall will only allow data in that you asked for. It will also monitor outgoing data of your computer to the Internet. It will only let information out that you say can go out.
Windows firewall is a fully developed firewall application which can start on its own and should be left on if you are not replacing it with any other firewall product. And, there is no doubt about efficiency of Windows firewall.
Windows XP's Internet Connect Firewall is half a firewall. It only checks incoming information of your PC and doesn't check outgoing data of your computer. Why is it still popular among computer users? If your system has by mistake become virus infected, your personal information is definitely in danger. Virus replicates itself and spread infection to other computers connected through a common network, or even allows hackers to access your computer to do whatever they want.
The only quality of a true firewall is that it will prevent infectious matter from getting out of your system & inform you about the existing problem so you can clean it up. This is what makes firewall software to be the most important thing for your PC security.
A managed firewall ensures the highest level of security for an enterprise network. As signified by its name, 24x7 firewall ensures that your data is secure and protected round the clock.
If you do not have an efficient monitoring and network reporting system in place then your database might not be running efficiently. You can think about buying support from computer support centers to for an effective data management and keep your database up and running on a 24x7 basis in an effective manner. However, be meticulous enough while choosing your technical support partner. The decision must be based on the factors like experience, market reputation and service prices.
Source: http://www.articledashboard.com/Article/Need-for-Firewall-Support/571169
