A Look At Personal Computer Firewalls

by Marco Maseko

As the prevalence of computer hackers, scammers and viruses increase around the Internet, you should know how and why to install a firewall. Defense from malicious data harming your computer is provided by a firewall. Without one, your computer is prone to dangerous attacks that can wipe out your data or steal personal information that can negatively impact you.

The type of firewall required for your computer should be ascertained since there are a wide variety available including those from major corporations such as Microsoft. It is likely that your firewall will already be set up and ready to use if your computer came with the Microsoft XP or Vista operating system installed. Check that it is turned on and working properly. If you do not have one of these later operating systems, then you need to purchase your own software. Even with Microsoft XP, you may still want to purchase separate firewall software since the XP version doesn’t get great reviews.

You can either visit a store that sells computer software or download a firewall product through the Internet – the most popular products available are Norton, AVG and McAfee. Even from the leading companies, there are plenty of low cost versions available, with prices varying according to the sophistication of the software.

A few things must be taken into consideration prior to the installation of your firewall. The program must not stop you using the functions that you need, such as file and printing sharing. Settings can be configured during installation or at a later date using the documentation provided.

Parts of the Internet may be restricted by a firewall. This can happen if you use a local area network or a router, so it is important that you are familiar with how you connect. Secured networks in particular are difficult to access when you have installed a firewall in place. If you work from home or connect to a company computer, you need to coordinate with the IT department in your company before installing a firewall since they may have specific instructions concerning how to configure its settings so you are still able to connect to them.

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