Term Description
DMZ DMZ (De-Militarized Zone) refers to a computer/device on an internal protected network that is placed outside the firewall, but still available to the LAN.

The advantage of a DMZ computer is it has all communicatons ports open and it can use any special aplication that communicates on non-standard ports, such as many VoIP programs and online games. The disadvantage is that the device might be vulnerable to attacks, not being protected by the firewall.
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