What is the DMZ in networking? [closed]

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What is the DMZ in networking? Is it all about having Firewall to isolate servers, data, or users from the outside boundary of the network?

Answer 1

DMZ is a Demilitarized Zone.

This is usually a subnet which bypasses the firewall, and allows direct connection to the internet. This is used when outside applications need to access a server, or another device inside an intranet.

The purpos of this is so that in the event of a security breech, an attacker can only access devices in the DMZ, and nothing else on the same intranet.