Chapter 15 Anti-Virus Screens
ZyWALL 5/35/70 Series User’s Guide
311
A network-based anti-virus (NAV) scanner is often deployed as a dedicated security device
(such as your ZyWALL) on the network edge. NAV scanners inspect real-time data traffic
(such as E-mail messages or web) that tends to bypass HAV scanners. The following lists
some of the benefits of NAV scanners.
• NAV scanners stops virus threats at the network edge before they enter or exit a network.
• NAV scanners reduce computing loading on computers as the read-time data traffic
inspection is done on a dedicated security device.
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