HARMFUL SITE BLOCKING SERVICE PROVIDING METHOD IN A MOBILE COMMUNICATION SYSTEM, A SYSTEM AND A PACKET NETWORK GATEWAY UNIT THEREOF, CAPABLE OF BEING APPLIED TO A SERVICE PER ADDITIONAL CONDITION ABOUT A SUBSCRIBER

摘要

PURPOSE: A harmful site blocking service providing method in a mobile communication system, a system and a packet network gateway unit thereof are provided to realize real-time filtering with an inline mode by utilizing a function of an existing GGSN as many as possible.;CONSTITUTION: A UE(User Equipment) originates a data call(1). An SPR(Subscription Profile Repository) performs authentication of the data call(5). A PCRF(Policy and Charging Rules Function) decides a PCC-Rule for each subscriber(7). The data call is connected between a GGSN(Gateway GPRS Support Node) and the UE(10). The GGSN performs filtering about contents of subscriber packet flow(11). In case contents corresponding to a harmful site is detected, the GGSN requests connection cancellation of a corresponding website to a DB server(12). The DB server cancels connection to the corresponding website(13).;COPYRIGHT KIPO 2010