McAfee MSA-3400-SWGI Installation Guide - Page 7

Introducing McAfee Email and Web Security Appliances Definition of terms used in this guide Term demilitarized zone (DMZ) DAT files operational mode policy Reputation Service check Definition A computer host or small network inserted as a buffer between a private network and the outside public network to prevent direct access from outside users to resources on the private network. Detection definition (DAT) files, also called signature files, containing the definitions that identify, detect, and repair viruses, Trojan horses, spyware, adware, and other potentially unwanted programs (PUPs). Three operating modes for the product: explicit proxy mode, transparent bridge mode, and transparent router mode. A collection of security criteria, such as configuration settings, benchmarks, and network access specifications, that defines the level of compliance required for users, devices, and systems that can be assessed or enforced by a McAfee security application. Part of sender authentication. If a sender fails the Reputation Service check, the appliance is set to close the connection and deny the message. The sender's IP address is added to a list of blocked connections and is automatically blocked in future at the kernel level. McAfee Email and Web Security Appliance 5.5 Installation Guide 7