Electronic Security - ActionTec GT704-WG User Manual

Appendix c Computer Security

Electronic Security

Here are two methods to secure your computer electronically.
Network Address Translation
If a local area network and a connection to the using dynamic IP addresses
PPP ISP
through a server are being used, Network Address Translation ( ) is
DHCP NAT
being used. provides a very basic level of security.
NAT
Firewalls
The safest way to prevent attacks on the computer is through a firewall – a hard-
ware device or software program that protects the computer from unauthorized
access by controlling who can access your computer and by monitoring the trans-
missions between the computer and the Internet
Windows has a built-in firewall. For more information, select Help and
XP
Support Center from the Help menu. Search for Internet Connection Firewall.
If Windows 98 , Me, 4.0, or 2000 is running on the computer, consider
SE NT
installing a firewall. Hardware and software firewall products are changing rapidly
as more homes and businesses establish high-speed digital connections between
their local area networks and the Internet.
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