Dell Latitude D520 - Manual (Page 55)

3. Follow the instructions on the screen to manage the network connection with the utility.
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 section 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 for the Microsoft® Windows® XP operating system. To access the Help and Support Center, see
Windows Help and Support Center .
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NOTE: The Connect button changes to the Disconnect button.