The glossary below contains many of the terms you will find in common use throughout the Symantec Security Response website. Please refer to this list to find definitions of terms and answers to other Internet security-related questions.

DMZ demilitarized zone

A network added between a protected network and an external network to provide an additional layer of security. Sometimes called a perimeter network.

A security measure used by a company that can host Internet services and has devices accessible to the Internet; the DMZ is an area between the Internet and the internal network that prevents unauthorized access to the internal corporate network using a firewall or gateway. The Symantec Enforcer can operate in a DMZ providing limited network access so that Agents can connect to a server to update their systems if necessary.