Dell LATITUDE D400 - Manual (Page 63)

NOTE: Selecting the connection method This computer connects directly to the Internet enables the integrated
firewall provided with Windows XP.
4. Complete the checklist and required preparations.
5. Return to the Network Setup Wizard and follow the instructions on the screen.
Internet Connection Firewall
The Internet Connection Firewall provides basic protection from unauthorized access to the computer while the computer is
connected to the Internet. The firewall is automatically enabled when you run the Network Setup Wizard. When the firewall is
enabled for a network connection, the firewall icon appears with a red background in the Network Connections portion of
the Control Panel.
Note that enabling the Internet Connection Firewall does not reduce the need for virus-checking software.
For more information, see the Help and Support Center .