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Network security protection method and device

A technology for security protection and network security, which is applied in the field of network security and can solve problems such as data discarding

Active Publication Date: 2017-12-01
NSFOCUS INFORMATION TECHNOLOGY CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] However, with the second method, since normal data may also contain IP addresses in the IP blacklist set, there is a problem of discarding normal data

Method used

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  • Network security protection method and device
  • Network security protection method and device

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Embodiment Construction

[0058] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments of the present application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present application.

[0059] In order to improve the response speed of the request message while ensuring the normal response of the request message. , in the embodiment of the present application, a method of network security protection is designed, the method is to assign a security status to the request message according to the attack ratio of the CDN node server or the security protection server, and then Obtain a corresponding response message to the request m...

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Abstract

The embodiment of the application discloses a network security protection method and device. The method comprises the following steps: computing a ratio of the number of the CDN node server with the attacked representational state which is attacked to the total number of all CDN nodes when receiving a request message sent by a user terminal, thereby acquiring the attack proportion; when determining that the attack proportion is not less than a first preset threshold value and not higher than a second preset threshold value, assigning the CDN node server with an un-attacked safety representational state or a safety protection server for the request message, sending the request message to the assigned CDN node server or the safety protection server, thereby acquiring the response message corresponding to the request message. Therefore, the CDN node server or the safety protection server without being influenced is assigned for the request message, and the response speed of the request message is improved when the network attack is effectively prevented; furthermore, the data abandoning can be performed without needing a blacklist, the error abandoning of the normal data is avoided.

Description

technical field [0001] The present application relates to the technical field of network security, in particular to a method and device for network security protection. Background technique [0002] With the development of communication technology, in order to enable users to obtain the required content nearby, solve the problem of network congestion, and improve the response speed of users visiting websites, Content Delivery Network (CDN) has emerged as the times require. The so-called CDN technology is to place several node servers on the edge of the network to form an intelligent virtual network, and then redirect the user's request message in real time according to comprehensive information such as network traffic, connection of each node, load status, user terminal, and response time. to the node server closest to the user. Furthermore, due to the sharp increase of network attacks, it has become a general trend to add network security protection functions to the CDN sy...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08
CPCH04L63/14H04L63/1441H04L67/568
Inventor 杨雪皎赵跃明
Owner NSFOCUS INFORMATION TECHNOLOGY CO LTD
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