Internet content filtering system and method

Abstract

This invention relates a filter system and a filter method for Internet content. The system includes: a content filter agent(CFA), a question server (QS) and a content analysis and management server (CAMS). The flow of the content filter system is that when a user sends a request of accessing a URL, CFA permits or for bits the said acc request according to the white and black name list set by the user. If the URL is not in the CFA name list, CFA delivers an inquiry the hierachical information of the URL in its own library and feeds back the result to CFA. CFA responds it and QS will download even new URL hierachical information. The invention can accurately identify poor information in network and prevent users from accessing them actively.

Description

technical field [0001] The invention belongs to the technical field of the Internet, and in particular relates to an Internet content filtering system and a filtering method, which can be used to prevent users from accessing various media data on the Internet, including text, image, video, audio, graphics and animation. Background technique [0002] The Internet has become an indispensable part of everyday life. People live on the Internet and enjoy all kinds of services provided by the Internet: online shopping, online banking, sending and receiving emails, information inquiries, etc. However, while people are enjoying the benefits of the Internet, there are also increasing negative effects on the Internet, such as teenagers indulging in adult websites, spreading bad information, or committing crimes through the Internet. [0003] According to the statistics of the N2H2 company in the United States, roughly 8% of the web pages in the world are pornographic web pages. A qu...

AI Technical Summary

Problems solved by technology

[0007] (2) Stealing or leaking state secrets, intelligence or military secrets through the Internet;

The second is to block the transmission of information. If the owner or country of the server where the illegal information is located does not recognize it as illegal information or adopts an uncooperative attitude, other countries can only adopt blocking means to prohibit the retrieval of such information

Throughout the domestic filtering software, most of them use simple URL matching and keyword judgment technology to filter web pages, and there are basically no products that really use content-based analysis and processing methods to filter network media files.

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