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8 Microsoft Broadband Networking PCI Adapter User's Guide
Security Considerations for Option A
In this configuration, your networked computers use a base station
(gateway or router) to connect to the broadband modem and,
indirectly, the Internet. A base station can help provide security for
your network by using a hardware firewall or Network Address
Translation (NAT) technology. It is important to enable the
protection provided by your network to prevent security problems.
For more information about security, see chapter 4.
Option B:
I want to connect two computers directly to each other.
Your adapter can be used to network computers by using a "peer-
to-peer" or "computer-to-computer" configuration.
If your computers meet all of the following conditions, use the
Computer-to-Computer Setup method in Chapter 3.
One computer has an available PCI slot for your new PCI
O
adapter.
A second computer already has an installed Ethernet adapter
O
(or internal Ethernet card).
You have a crossover Ethernet cable for connecting the two
O
computers.
After you set up the adapter by using Option B, your network will
resemble this diagram:
Computer with
PCI adapter
Security Considerations for Option B
You can access the Internet by connecting one computer to your
broadband modem and sharing the connection with the other
computers by using Internet Connection Sharing (ICS) software.
For more information about ICS, see Windows Help.
Any network that connects to the Internet needs protection from
hackers and viruses. You can use firewall software, such as
Internet Connection Firewall that comes with Windows XP, to help
protect your network from unwanted intrusions.
If your network is not connected to the Internet, you do not need to
worry about protecting your network from Internet intrusions.
Computer with
installed Ethernet
adapter (notebook
adapter shown)
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