This book covers what an administrator needs to plan out and integrate a DMZ into a network for small, medium, and enterprise networks. The primary role of a DMZ is to mitigate risks associated with offering services to untrusted clients. A DMZ accomplishes this by providing network-level protection for a hosting environment, as well as segregating public hosting facilities from the private network infrastructure. This small but very important segment of the network is exposed to the public Internet and is the most difficult area on the network to create and maintain, both from an engineering and a security standpoint. In this book readers will learn how to make DMZs using best-of-breed software and hardware products from Microsoft, Sun, Cisco, Nokia, and Check Point.

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