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Network Security Principles and Practices by Saadat Malik

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Designing a Demilitarized Zone

DMZ is one of the most important zoning term used in network security. A DMZ is the zone in the network that is segregated from the rest of the network due to the nature of the devices contained on it. These devices, often servers that need to be accessed from the public network, do not allow a very stringent security policy to be implemented in the area where they are kept. Therefore, there is a need to separate this zone from the rest of the network.

DMZ is often a subnet that typically resides between the private network and the public network. Connections from the public network terminate on DMZ devices. These servers can oftenalso be accessed relatively securely by private network devices.

There are quite a ...

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