Area where troops are prohibited: Abbr

• Buffer area: Abbr
• Boundary at the 38th parallel, for short
• Area between N. and S. Korea
• Army-free buffer area between enemy borders: Abbr
• GI-free buffer
• No man's land, in brief
• Troop-free area (Abbr.)
• Rhineland, in the '20s
• Rhineland, per the post-WWI treaty

Wikipedia Word definitions in Wikipedia
In computer security , a DMZ or demilitarized zone (sometimes referred to as a perimeter network ) is a physical or logical subnetwork that contains and exposes an organization's external-facing services to a usually larger and untrusted network, usually ...