Illegal website filtering method and device

A filtering method and website technology, applied in the field of network security, can solve problems such as website misoperation, and achieve the effects of improving reading efficiency, easy reading, and accurate filtering

Inactive Publication Date: 2010-08-04
BEIJING LEADSEC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the present invention provides a method and device for filtering illegal websites to solve the problem of misoperation of websites that exists in existing solutions only by comparing IP addresses to filter illegal websites

Method used

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  • Illegal website filtering method and device
  • Illegal website filtering method and device
  • Illegal website filtering method and device

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Experimental program
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Embodiment Construction

[0026] As mentioned above, because the existing solution cannot load the address library with a huge amount of data into the firewall memory at one time, it only saves the IP address in the memory, and only compares the IP address when filtering the website. This leads to inaccurate filtering, and it is possible to misuse the websites visited by users. For this reason, the present invention proposes a method for filtering illegal websites. In short, first, the IP address for establishing a connection is matched with the IP address stored in the memory, and after the matching is successful, the IP address originally stored outside the memory is The URL of the address is loaded into the memory, and when the subsequent URL request is sent, further comparison is carried out according to the loaded URL, so as to accurately determine whether the website is illegal.

[0027] see figure 1 , which is a flow chart of an illegal website filtering method according to an embodiment of the...

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Abstract

The invention discloses illegal website filtering method and device. The method comprises the following steps of: obtaining an IP address for establishing website connection, and loading all URL (Uniform Resource Locator) conforming to the IP address outside a memory of a fireproof wall into the memory when determining that the memory of the fireproof wall has the IP address and the UPL conforming to the IP address is not stored in the memory; when sending the URL request, judging whether the sent URL is matched with one of the URLs conforming to the IP address in the memory of the fireproof wall, if so, disconnecting the connection, or else, allowing the message to pass through the fireproof wall. The invention can solve the problem of loading an address base into the memory once due to overlarge capacity, and can also accurately filter illegal websites through the dual comparison of the IP address and the URL.

Description

technical field [0001] The invention relates to the technical field of network security, in particular to an illegal website filtering method and device. Background technique [0002] Firewall refers to a protective barrier composed of software and hardware devices, constructed on the interface between the internal network and the external network, and between the private network and the public network. It is an image of guaranteeing network security. It is A combination of computer hardware and software that establishes a security gateway between the Internet and the intranet, thereby protecting the intranet from illegal users. [0003] URL (Uniform Resource Locator, Uniform Resource Locator) classification filtering is a functional module of the firewall, and its purpose is to provide users with filtering services to intercept bad information on the Internet. It includes a special address library to filter illegal websites visited by users . The URL classification and fi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/12G06F21/00G06F17/30
Inventor 韦炜
Owner BEIJING LEADSEC TECH
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