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Data communication method and device, proxy server and readable storage medium

A technology for data communication and storage media, applied in the field of data communication, can solve the problems of device performance degradation, lack of response, consumption of large device resources, etc., to achieve the effect of shortening time

Inactive Publication Date: 2020-01-21
INSPUR SUZHOU INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the method of increasing the size of the device BACKLOG will consume a large amount of device resources and degrade the performance of the device, and the method of shortening the SYN Timeout time will cause the connection request made by the legitimate user to be not served in time and not respond.

Method used

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  • Data communication method and device, proxy server and readable storage medium
  • Data communication method and device, proxy server and readable storage medium
  • Data communication method and device, proxy server and readable storage medium

Examples

Experimental program
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Embodiment Construction

[0046] The core of the present application is to provide a data communication method, device, proxy server and readable storage medium, which are used to effectively resist SYN flood attacks.

[0047] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0048] Strictly speaking, a DDOS attack is a technical method of destroying network services. Its fundamental purpose is to make the victim host or network una...

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Abstract

The invention discloses a data communication method. The method comprises the following steps: receiving a connection request sent by a client; judging whether the connection request is a third handshake request or not; if so, sorting the data packet information of each client through a preset rule to obtain a credibility queue; and sending the credibility queue to the server, so as to enable theserver to perform data communication with the client corresponding to each piece of data packet information on the credibility queue according to the descending order of credibility. According to themethod, the proxy server is arranged to sort and optimize the connection requests of the client according to the preset rule, so that the SYN Timeout time is greatly shortened, a large number of semi-connection requests are directly discarded or blocked, and the SYN flooding attack is effectively resisted. The invention also provides a data communication device, a proxy server and a readable storage medium, which have the above beneficial effects.

Description

technical field [0001] The present application relates to the field of data communication, in particular to a data communication method, device, proxy server and readable storage medium. Background technique [0002] Strictly speaking, a DDOS attack is a technical method of destroying network services. There are various specific implementations. Its fundamental purpose is to make the victim host or network unable to receive and process external requests in time, or unable to respond to external requests in time. In severe cases, the device will crash and the network will be paralyzed. [0003] The Synchronize Sequence Numbers (SYN) flood attack is a kind of DDOS attack. This attack mainly uses the three-way handshake information during the TCP connection. The attacker maliciously sends many TCPSYN packets to the server quickly and continuously without any When subsequent confirmation packets are sent out, the TCP connection queue available on the server will exceed its allo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L63/1458
Inventor 王永强
Owner INSPUR SUZHOU INTELLIGENT TECH CO LTD
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