A feature of network security appliances that provides integrated antivirus security on the appliance to block potential threats before reaching the network. Gateway antivirus allows corporate and enterprise to check for viruses at the application layer using a web-based scanning service.
A number of security vendors offer gateway antivirus solutions and the phrase is commonly used to identify this specific type of network security, WatchGuard's product is specifically called Gateway AntiVirus (GatewayAV).
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