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Processing method and device for preventing syn flood attack

A processing method and technology of a processing device, which are applied in transmission systems, climate change adaptation, electrical components, etc., can solve problems such as system performance degradation, and achieve the effects of improving system performance, increasing system network speed, and avoiding memory resource consumption.

Active Publication Date: 2019-01-08
QI-ANXIN LEGENDSEC INFORMATION TECH (BEIJING) INC +1
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Problems solved by technology

[0004] The main purpose of the present invention is to provide a processing method and device for preventing SYN flood attacks, so as to solve the problem that the processing methods for preventing flood attacks in the prior art easily lead to system performance degradation

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  • Processing method and device for preventing syn flood attack
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Embodiment Construction

[0020] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0021] The embodiment of the present invention provides a processing device for preventing SYN flood attack, the processing device is mainly applied to the communication connection between the client and the server, the processing device for preventing SYN flood attack provided by the embodiment of the present invention is described below Specific introduction:

[0022] figure 1 is a schematic diagram of a processing device for preventing SYN flood attacks according to an embodiment of the present invention, such as figure 1 As shown, the processing device for preventing SYN flood attack in this embodiment mainly includes a monitoring unit 10, a first judging unit 20 and a first processing un...

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Abstract

The invention discloses a method and device for processing SYN flood prevention. The method for processing SYN flood prevention comprises the steps that multiple SYN data packages between a client-side and a server are monitored; whether the data package exceeding the SYN proxy preset upper limit value exists in the multiple SYN data packages or not is judged; under the condition that the data package exceeding the SYN proxy preset upper limit value exists in the multiple SYN data packages, the package exceeding the SYN proxy preset upper limit value in the multiple SYN data packages is removed. According to the method for processing SYN flood prevention, the problem that a method for processing SYN flood prevention in the prior art is prone to causing system performance degradation so that the effects that the system performance and the system network speed are improved can be achieved.

Description

technical field [0001] The present invention relates to the field of security protection, in particular to a processing method and device for preventing SYN flood attacks. Background technique [0002] The traditional anti-flood attack (SYN flood) method is generally through the SYN (Synchronize sequence number) agent, and SYN is used when the Transmission Control Protocol / Internet Protocol (Transmission Control Protocol / Internet Protocol, referred to as TCP / IP) establishes a connection. handshake signal. However, the SYN proxy method will lead to lower actual system performance, which is a large performance loss in actual use. [0003] Aiming at the problem that the anti-flooding attack processing method in related technologies may easily lead to system performance degradation, no effective solution has been proposed yet. Contents of the invention [0004] The main purpose of the present invention is to provide a processing method and device for preventing SYN flood att...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
CPCY02A30/00
Inventor 姚翼雄薛永大李万兴
Owner QI-ANXIN LEGENDSEC INFORMATION TECH (BEIJING) INC
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