Your Firewall: How Does It Work?

erm firewall may not be new to you, but if asked whyyour knowledge. A typical example is the hacker
you need it and exactly how it works, very few of usprogram. Such programs are blocked by the firewall
will be able to provide an accurate answer. A firewallquite effectively.
protects your computer and the files you are workingWith the enabling of computer firewall protection,
on from unwanted users and programs, while you areanything that enters and leaves your computer is
logged on to the Internet.regulated. This is one way of preventing spyware and
Unprotected files may be attacked by hackers who,adware from attacking your computer network. Also,
with the use of harmful codes and programs, gainsdeadly programs on the Internet can be left out with
access to your personal information and may go asthe use of firewalls.
far as stealing your identity and using your credit cardLaymen often believe that the anti-virus software
information for his/her personal interest. So, whatinstalled in their computer allows protection against
exactly does a firewall do?hackers too. The anti-virus should always be updated
A firewall brings an end to theft and also hindersto check the presence of viruses but it hardly shields
potentially harmful programs from infecting other files.your computer against attacks by hackers.
This explains the name of such a program too. ItsNo matter what type of connection you have, be it
work is akin to that of a firewall that checks thedial-up, cable, broadband or DSL, your computer is at
spread of fire from one area to the other.risk every time you connect to the Internet. Hackers
A firewall makes a hacker’s invasion into yourare always on the lookout to harm you and steal your
computer system futile because the latter can neveridentity.
access your passwords or your credit cardA firewall protection is probably the most effective
information. The firewall software installed in yourway to keep your personal information and identity
computer permits only useful data but bars allaway from the dirty hands of hackers.
seemingly harmful data from accessing your system.I hope this article has given you a preliminary but a fair
Good or safe data is what you get when you areidea of what firewall protection is all about. Since you
visiting web sites and downloading photos or data files.are in the know now, it will make you a more informed
Harmful data, on the other hand, is anything that keepsand educated Internet user.
a close watch on what you do on the Internet without