Locate the DMZ option in your router??™s configuration options (see Figure 11-6),
and then specify the IP address of the one device or computer that will receive completely
unfiltered, unprotected Internet connectivity. Beware??”this is like drinking
from an uncontrolled fire hose: the computer in the DMZ will have no protection unless
it is built into the computer or by a software firewall.
Figure 11-6
Configuring a single IP
address to be allowed
completely unfiltered
access to and from the
Internet
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Project 12
Home Network
Workgroup
What You??™ll Need
Your computers
Your local network
Cost: $0
Having your PCs connected to the same network is the first step to a real home
network. Sharing an Internet connection is a terrific use of a home network.
As you might imagine, it is not the only benefit you can explore. File sharing
(documents, media, photos) and printer sharing, from Projects 3 and 4, are two of the
most common and valuable things you can do with your home network.
Before you can accomplish these feats, your computers need to know about each
other??”be part of the same computer-to-computer affiliation. Business networks use
the Internet-centric technology of domains and domain name services to identify and
communicate with each other. Home networks use workgroups and communications
features of Microsoft networking technologies to know about and communicate with
commonly grouped computers. A common workgroup or association among a collection
of computers makes it possible for computers and easy for users to be aware of,
identify, and communicate between each other.
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