FILTERING METHOD, SYSTEM AND NETWORK DEVICE THEREFOR

Title:

FILTERING METHOD, SYSTEM AND NETWORK DEVICE THEREFOR

Document Type and Number:

WIPO Patent Application WO/2010/111930

Kind Code:

A1

Abstract:

The present invention provides a filtering method, system and network device therefor. The method includes: intercepting a request message sent from a user terminal to an internet server and extracting the Uniform Resource Locator (URL) information from the request message; determining the security levels corresponding to the URL information according to the URL information; processing the request message according to the security levels. The present invention eliminates the installation of an anti-virus software on the user terminal and the resulting consumption of memory and CPU resources, and eliminates the risk presented by malicious software that can easily bypass the anti-virus software. Thus, the propagation of and attacks by malicious software are effectively stopped, the threat to the user terminal caused by malicious software is reduced, and network security and user experience are improved.

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Inventors:

SU BAOWU (CN)

Application Number:

PCT/CN2010/071361

Publication Date:

October 07, 2010

Filing Date:

March 26, 2010

Export Citation:

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Assignee:

HUAWEI TECH CO LTD (CN)
SU BAOWU (CN)

International Classes:

H04L29/06

Foreign References:

CN1573752A	2005-02-02
US20060021031A1	2006-01-26

Other References: