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Exit link protection method and device, equipment and a medium

An egress link and routing technology, applied in the field of network security, can solve problems such as failure of egress link to be effectively protected

Active Publication Date: 2021-11-26
北京安恒信安科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method fails to provide effective protection for the egress link

Method used

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  • Exit link protection method and device, equipment and a medium
  • Exit link protection method and device, equipment and a medium
  • Exit link protection method and device, equipment and a medium

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Embodiment Construction

[0060] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative work fall within the protection scope of the present application.

[0061] The terms "comprising" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device comprising a series of steps or elements is not limited to the listed steps or elements, but may include unlisted steps or elements.

[0062] In order to make those skilled in the art better...

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Abstract

The embodiment of the invention discloses an exit link protection method and device, equipment and a medium, and the method comprises the steps: configuring Flowspec in advance according to set BGP (Border Gateway Protocol) routing information and an exchange function between routes; and the BGP routing configured with Flowspec being capable of verifing the legality of the data access flow before entering the intranet. Flowspec is configured according to the BGP routing information, so that the BGP routing can conveniently record the routing belonging to the BGP. The inter-route exchange function is used for supporting normal transmission of data access traffic between routes. And when the data access traffic is obtained, legality verification is performed on the routing type of the destination address contained in the data access traffic and the identity of the initiator. And when the routing type of the destination address contained in the data access flow or the identity of the initiating end does not pass the validity verification, the access of the data access flow to the internal network is refused, so that the DDoS attack resistance to the exit link is realized.

Description

technical field [0001] The present application relates to the technical field of network security, and in particular, to an export link protection method, apparatus, device and computer-readable storage medium. Background technique [0002] Distributed Denial of Service (DDoS) attack refers to the use of client / server technology to combine multiple computers as an attack platform to launch DDoS attacks on one or more targets, thereby multiplying the risk of denial of service attacks. power. The existing anti-DDoS attack methods are mainly aimed at the situation that the enterprise is attacked. The purpose of traffic cleaning and detection is achieved by connecting or connecting the devices against DDoS attacks in series on the egress router. [0003] In practical applications, anti-DDoS devices can be used for devices that are connected to the egress router or connected in series to resist DDoS attacks, which can completely divert the traffic to be detected or part of the t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/741H04L45/74
CPCH04L63/1408H04L63/1458H04L45/74
Inventor 潘秋枫范渊杨勃
Owner 北京安恒信安科技有限公司