As stated in Chapter 8, remote access networking is a necessity in most corporations. For most of these corporations, the Internet is the virtual backbone of their enterprise network, interconnecting an organization’s corporate network and those of its business partners and customers. The Internet also provides an inexpensive way to link branch offices, tele- commuters, and mobile workers to the corporate network. Unfortunately, linking a corporate network to the Internet exposes it to the outside world. While the security mechanisms discussed in Chapter 8 can deter unauthorized access to the corporate network via the Internet, they are not foolproof. Extra ch09 Page 185 Thursday, March 11, 1999 3:14 PM
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