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Message processing method and device

A packet processing and network packet technology, applied in the field of network security, which can solve the problems such as the inability of traffic to be pulled, the user equipment is attacked for a long time, and the DNS cannot take effect immediately, so as to avoid the delay of traffic cleaning.

Pending Publication Date: 2022-01-28
NEW H3C SECURITY TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing method of artificially modifying the CNAME will have a manual processing delay, and the user device may have been attacked for a long time during the modification process; in addition, the attack device will obtain the IP address of the DNS server before the attack, if the attacker Launching an attack against this IP address may cause the modified DNS to fail to take effect immediately, resulting in the failure of subsequent traffic to be directed to the Anti-Defense Center device

Method used

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  • Message processing method and device
  • Message processing method and device

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Embodiment Construction

[0037] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application.

[0038] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and / or" as used herein refers to and includes any and al...

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Abstract

The invention provides a message processing method and device. After receiving a remote traction instruction of the target IP address, traffic cleaning equipment issues a traction route to the core router through the first interface, and the traction route comprises a first IP address of a second interface used for remotely forwarding a message on the traffic cleaning equipment; a first network message sent from the core router is received by the first interface, wherein a destination IP address of the first network message is a first IP address; according to a next-hop IP address of a pre-configured second interface, tunnel packaging is carried out on the first network message to obtain a first tunnel message, the destination IP address of the first tunnel message is the next-hop IP address, and the next-hop IP address is the tunnel IP address of high defense center equipment; and the first tunnel message is sent to the high defense center equipment by a first tunnel corresponding to the second interface, so that the high defense center equipment analyzes a first network message from the first tunnel message and performs flow cleaning on the first network message.

Description

technical field [0001] The present application relates to the technical field of network security, in particular to a message processing method and device. Background technique [0002] With the development of the network, the attack traffic also increases. In order to avoid the attack of abnormal traffic, traffic cleaning is introduced. However, the traditional abnormal traffic cleaning system only supports local cleaning. Refer to figure 1 The abnormal flow shown is cleaning the system. The management center sends a traction command to the cleaning device and configures the guard route so that BGP can import the guard route and publish it to the neighboring core routers. The original route of the core router is a 24-bit mask. Through exact matching, the traffic generated by the server 192.168.1.2 will hit the guard route, thereby forwarding the traffic generated by the server to the cleaning device. The cleaning device will clean the traffic, and after the cleaning is co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/40H04L12/46G06F16/215
CPCH04L63/1408H04L63/1441H04L12/4633G06F16/215
Inventor 佟立超
Owner NEW H3C SECURITY TECH CO LTD
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