| 摘要 |
Disclosed are an apparatus and a method for blocking internet harmful sites. The apparatus comprises an NAS for receiving a connection signal from a DSLAM if internet service subscribers try connection and for assigning a PPP and an IP to a subscriber terminal; a certification server; a switching unit for certifying a harmful site blocking service subscriber of the subscribers and for assigning the PPP and the IP to the harmful site blocking service subscriber; and a blocking server for preventing a subscriber connected to the switching unit from connecting to a harmful site, wherein the NAS assigns the PPP and the IP into a subscriber terminal if the subscriber is a general internet service subscriber as a certification result of the certification server, and the certification server transmits an IP address and subscriber information on the switching unit into the NAS if the subscriber is a harmful site blocking service subscriber as a certification result of the certification server, and the NAS constitutes a L2TP tunnel toward the switching unit to transmit the subscriber information.
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