Understanding Internet Firewall - Do I Need One?

Many novice computer users do not really understandThe best antivirus software like Eset Smart Security,
the importance of firewall. It is easier for a not soAVG Internet Security, Kaspersky Internet Security,
savvy computer user to understand antivirus andand Avast Antivirus Pro has built in firewalls. When you
antispyware software than the firewall because theinstall any one of these security software in your PC,
name "firewall" is somewhat misleading.you need to turn off Window Firewall because it is not
A firewall is a program or software that preventsadvisable to run two firewalls at the same time. So
malicious attacks coming from the internet fromyou have to choose between using the firewall that
penetrating your computer or network. There arecomes with your antivirus software or using Windows
millions of "zombie computers" in the net that are all theFirewall. Windows Firewall actually works as good as
time scanning for other computers connected to thefirewalls from third-party software.
internet that have security holes. Without a firewall, aOnce your firewall is configured and turned on (you will
computer that is connected to the internet is highlyknow when Windows Firewall is not on because a
vulnerable to attacks and can be infected withinwarning icon and message will appear on your
twenty minutes. A firewall's function is to filter incomingtaskbar) you can literally forget about it; no need to
internet data, preventing those that are known to bebaby sit it because it works almost independently in the
malicious from gaining access. The firewall works bybackground. Some firewalls like the one that comes
"plugging" the "security holes" where malicious attackswith AVG Internet Security every now and then
usually get through.prompt you to decide whether to allow or block a
Windows XP has a built in firewall, the Windowsparticular traffic from gaining access to your PC. This
Firewall. You can configure it through the Control Panelusually happens when you are updating a newly
but its default settings are probably the best settingsinstalled software that are not yet in the "trusted list" of
you can have. Setting the firewall security too highthe firewall.
could prevent or filter out clean traffic from enteringHaving a firewall is one of the most important
your computer.computer security measures that you can take.