ADMIN - Explore the new world of system administration! ADMIN is a smart, technical magazine for IT pros on heterogeneous networks. Each issue delivers technical solutions to the real-world problems you face every day. Learn the latest techniques for better:
network security
system management
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on Windows, Linux, Solaris, and popular varieties of Unix.
Without Network Address Translation (NAT) on many LANs, the IPv4 Internet address space would have been exhausted years ago. Still, it’s probably a good idea to check what comes through your NAT connections.
From a topology point of view, LANs are the Internet’s hidden flaw. Many public hosts are actually gateways behind which any number of computers with private IPs might reside.
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