DMZ (computing) the router has no programming to handle (6in4 or GRE tunnels are prototypical examples). DMZ (computing) In computer security, a DMZ or demilitarized zone (sometimes referred to as a perimeter network or screened subnet) is a physical or logical subnetwork that contains and exposes an organization's external-facing services to an untrusted network, usually a larger network such as the Internet. The purpose of a DMZ is to add an additional layer of security to an organization's local area network (LAN): an external network node can access only what is exposed in the DMZ, while the rest of the organization's network
Leech (computing) Leech (computing) In computing and specifically Internet, a leech is one who benefits, usually deliberately, from others' information or effort but does not offer anything in return, or makes only token offerings in an attempt to avoid being called a leech. In economics, this type of behavior is called "free riding" and is associated with the free rider problem. Depending on context, leeching does not necessarily refer to "illegal" use of computer resources, but often instead to "greedy" use according to etiquette: to wit, using too much of what is freely given without contributing a reasonable amount back to the