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A method and apparatus for processing data

A technology for processing data and processors, applied in the computer field, can solve problems such as normal business impact, ACK message discarding, etc.

Active Publication Date: 2019-06-21
BEIJING BAIDU NETCOM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although such a solution can withstand DDoS attacks, it will also discard the ACK packets of normal business, thus affecting normal business

Method used

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  • A method and apparatus for processing data
  • A method and apparatus for processing data
  • A method and apparatus for processing data

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Embodiment Construction

[0028] The present disclosure 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 related inventions, rather than to limit the invention. It should also be noted that, for the convenience of description, only the parts related to the related invention are shown in the drawings.

[0029] It should be noted that, in the case of no conflict, the embodiments in the present disclosure and the features in the embodiments can be combined with each other. The present disclosure will be described in detail below with reference to the accompanying drawings and embodiments.

[0030] figure 1 An exemplary system architecture 100 is shown to which an embodiment of a method for processing data or an apparatus for processing data of the present disclosure may be applied.

[0031] Such as figure 1 As shown, the system architecture 100 may inclu...

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Abstract

The embodiment of the invention discloses a method and a device for processing data. A specific embodiment of the method comprises the following steps: receiving an SYN message of which a destinationaddress is a target IP; establishing a session according to the quaternion of the TCP message; and forwarding the TCP message to a server corresponding to the target IP. According to the embodiment ofthe invention, a better cleaning effect is achieved on the attack of the TCP flag bit DDoS (Distributed Denial of Service).

Description

technical field [0001] Embodiments of the present disclosure relate to the field of computer technology, and in particular to methods and devices for processing data. Background technique [0002] There are more and more DDoS attacks based on TCP (Transmission Control Protocol, Transmission Control Protocol) flag bits on the network. In order not to affect the business, manufacturers usually perform bypass cleaning, that is, if an IP is found to be attacked, the attack traffic will be diverted to the cleaning device, and then re-injected back to the original service after cleaning. The traffic responded by the server does not need to pass through the cleaning device, but is directly sent back to the peer. In this case, the cleaning device processes only one-way traffic, that is, the cleaning device can only see the incoming packets, but not the outgoing packets, so it cannot use the state of the TCP protocol stack to judge the validity of the packets , so the usual bypass ...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L29/06H04L12/741H04L5/00H04L45/74
CPCH04L63/0236H04L63/1408H04L63/1458H04L69/163H04L67/141H04L5/0053H04L63/0254
Inventor 周清志王少岩
Owner BEIJING BAIDU NETCOM SCI & TECH CO LTD
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