ADMIN - Explore the new world of system administration! Special introductory offer! Order by September 30th to save 10% off the regular subscription price! Each issue delivers technical solutions to the real-world problems you face every day. Learn the latest techniques for better:
network security
system management
troubleshooting
performance tuning
virtualization
cloud computing
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.
Comments