If you have been using the Internet for any length of time, and
especially if you work at a larger company and browse the Web while
you are at work, you have probably heard the term firewall used.
For example, you often hear people in companies say things like,
"I can't use that site because they won't let it through the
If you have a fast Internet connection into your home (either a
DSL connection or a cable modem), you may have found yourself hearing
about firewalls for your home network as well. It turns out that
a small home network has many of the same security issues that a
large corporate network does. You can use a firewall to protect
your home network and family from offensive Web sites and potential
Basically, a firewall is a barrier to keep destructive forces away
from your property. In fact, that's why its called a firewall. Its
job is similar to a physical firewall that keeps a fire from spreading
from one area to the next.
Listed below are some of the most common firewalls with instructions
on how to turn them off. Firewalls that are not listed should
follow similar procedures. You can use the same procedure
to turn the firewall back on.
Norton Personal Firewall
Windows Firewall (applies to users who have
Windows XP Service Pack 2)
Kerio Personal Firewall
If you are accessing the internet in an office
or computer lab you may not have access to change these settings
and will need a network administrator to give you access.