Patent ID: 8082583
Filing Date: 2011-12-20
Classification: G06F,H04L

Abstract:
1. A method of performing content filtering services in a computer network, the method to be performed in a gateway computer and comprising: determining content filtering services available in a plurality of client computers in the computer network; delegating to one or more client computers in the plurality of client computers content filtering services available in the one or more client computers; receiving in the gateway computer communications between computers in a public computer network and the plurality of client computers; identifying a first client computer in the plurality of client computers involved in a first network communication between the first client computer and an external server computer outside the computer network; performing a first content filtering service on a first data set on the first network communication, the first data set being from the external server computer and intended for the first client computer, the first content filtering service not available in the first client computer; forwarding the first data set to the first client computer after performing the first content filtering service on the first data set in the gateway computer; delegating performance of a second content filtering service on a second data set on the first network communication to the first client computer so that the second content filtering service on the second data set is performed in the first client computer and not in the gateway computer, the first content filtering service being different from the second content filtering service; and forwarding the second data set to the first client computer.