Method for establishing data connection and an intranet server

An intranet server and server technology, applied in the Internet field, can solve the problem of high cost of DDoS attack defense, achieve the effect of saving defense cost, preventing impact, and increasing the number of nodes

Inactive Publication Date: 2019-06-18
SHENZHEN ONETHING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main purpose of the present invention is to provide a method for establishing a data connection and an intranet server, aiming to solve the technical problem that the defense cost of DDoS attacks is relatively high

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  • Method for establishing data connection and an intranet server
  • Method for establishing data connection and an intranet server
  • Method for establishing data connection and an intranet server

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Embodiment Construction

[0042] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0043] The terms "first", "second", "third", "fourth" and the like in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily to describe specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein c...

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Abstract

The invention discloses a method for establishing data connection, which is applied to a defensive system of DDoS attack, and the defensive system comprises a target server which can be accessed by anexternal network, a plurality of internal network servers which establish communication connection with the target server, and a transparent transmission server which establishes communication connection with the plurality of internal network servers; The defense method comprises the steps that an intranet server obtains a TCP connection request which is transmitted by a transparent transmissionserver and accesses a target server, and the TCP connection request is sent by a client; And when the intranet server responds to the TCP connection request to finish three times of handshaking with the client, obtaining the access data of the client transparently transmitted by the transparent transmission server, and sending the access data to the target server. The invention further discloses an intranet server, the intranet server is used as a defense machine, the number of defensive nodes is increased, the influence of DDoS attack on the target server is prevented, and the defense cost issaved.

Description

technical field [0001] The invention relates to the technical field of the Internet, in particular to a method for establishing a data connection and an intranet server. Background technique [0002] The harm of distributed denial of service (Distributed Denial of Service, DDoS) attack is that the server creates quintuples and is in a semi-connected state, thereby wasting memory and causing the target server to be paralyzed. The existing method of defending against DDoS attacks is generally to increase the defense system of DDoS attacks, and the defense cost is relatively high. Contents of the invention [0003] The main purpose of the present invention is to provide a method for establishing a data connection and an intranet server, aiming at solving the technical problem of high cost of defense against DDoS attacks. [0004] In order to achieve the above object, the method for establishing a data connection provided by the present invention is applied to a DDoS attack d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
Inventor 杜琛
Owner SHENZHEN ONETHING TECH CO LTD
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