Noncombat area: Abbr

• Korea divider, briefly
• No man's land, briefly
• Nonbelligerent mil. area
• Korean no-man's-land
• UN Security Council establishment
• Area established by an armistice, for short
• Area between the two Koreas, briefly
• Area where troops are prohibited (Abbr.)

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 ...