Get security and cost-effective Internet sharing
In this age when limited IP addresses conflict with the ever-expanding number of computers attached to the Internet, many companies and home users have had to look for ways to use one IP address to connect their networks to the Internet. Trying to keep such systems secure is a challenge. Enter Network Address Translation. NAT can be a useful tool for home networks and large companies alike. You can configure NAT quickly and easily in Windows 2000 Server, allowing for inexpensive Internet sharing and basic security.
A Crash Course in NAT
NAT is a popular way to share out a common Internet IP address to systems within your network. In its most fundamental form, NAT passes the external valid IP address that your ISP provides to the internal invalid IP address on your system behind your NAT implementation. (By invalid I mean addresses such as those in the 10.x.x.x range or 192.168.x.x range that work fine on internal networks but don't work on the Internet.) . . .
