An apparatus and method for blocking access to undesirable web sites by central control at a network provider's side according to the subscriber requests are disclosed, in which the apparatus reduces time and expenditure for managing the subscriber side and allows the subscriber to use the Internet without anxiety of access to undesirable web sites. The apparatus according to the present invention comprises a central control center for specifying and providing a control list of undesirable web sites to be blocked, a plurality of remote control units for blocking access to the undesirable web sites on the basis of the control list, and a link control network for controlling the connection of the plurality of remote control units and the central control center.

 
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