| 摘要 |
A method of marketing and selling a filtering network access services to subscribers in a multi-tiered distribution chain. Special interest groups distribute the network service provider's browser software to users and receive a portion of the subscription fee for registering each user. The filtering system (100) comprises a network filter and a user filter resident in the subscriber's terminal (200). The network filter is implemented with servers (110), user databases (120), filter databases (130) all connected to each other via network (190). Each subscriber logs onto his ISP by establishing a connection between his terminal (200) and the network servers (110) via a dial-up connection (140), via LAN router (150) or other comparable means. The network servers (110) are connected to the Internet or other network (160) through a firewall router (170). A WWW and file transmission protocol server (180) may be separately connected to the Internet (160) through the firewall router (170). Network server (110) may represent an ISP.
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