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.

The Hosts file

Used to look up the IP address of a device that is connected to a computer network. It also provides mapping of device names to IP addresses. Upon accessing a device, the networking system tries to locate the name within the Hosts file. This technique is used as a first option to locate the address of a system.