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demilitarized zone (dmz)

In information technology a Demilitarized Zone, or DMZ for a short, is a section of a network that serves as a neutral territory so as to protect the intranet from outside threats. It is a system that gives an interface to an untrusted outer system – as a rule the web – while keeping the inside, private system – generally the corporate system – isolated and secluded from the outside system. 

A DMZ differs from a firewall in that a firewall is a network security system (e.g. device or software) that monitors and restricts incoming and outgoing network traffic based on defined risk.

A definitive objective of a DMZ is to enable access to assets from untrusted systems while keeping the private system verified. Assets usually put in the DMZ comprise , Mail servers, FTP servers, and VoIP servers.

Example:

“Prior to deploying the new software to our production infrastructure, we ran extensive tests in our staging environments and Demilitarized Zone to ensure stability.”

Image:

Demilitarized Zone
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