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Hierarchical interception method, device, system and equipment for signaling firewall and storage medium

A firewall and signaling technology, applied in security communication devices, transmission systems, selection devices, etc., can solve problems such as poor performance, reduce SS7 network security, etc., and achieve the effect of reducing workload, reducing cost, and flexible application.

Active Publication Date: 2022-05-17
广州晨扬通信技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the signaling firewall should not set too complex logical judgment, otherwise it will cause delay in information transmission, but if the judgment logic is too simple, it will make the effect of signaling interception and countermeasure worse, and reduce the security of SS7 network. Improve

Method used

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  • Hierarchical interception method, device, system and equipment for signaling firewall and storage medium
  • Hierarchical interception method, device, system and equipment for signaling firewall and storage medium
  • Hierarchical interception method, device, system and equipment for signaling firewall and storage medium

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Embodiment Construction

[0067] The following is attached Figure 1-9 The application is described in further detail.

[0068] In the example, such as figure 1 As shown, the application discloses a hierarchical interception method of a signaling firewall, which specifically includes the following steps:

[0069] S1: Create several special signaling nodes independent of the signaling firewall for generating counter messages.

[0070] In this embodiment, the special signaling node can be one or two or more, and the counter message includes a Reject message, an Abort message, an Error message or several types of signaling messages that contain false data; Command nodes refer to mutually independent network elements in the SS7 network, and these network elements can set rules for judging and generating counter-messages, and can also be given the function of forwarding signaling messages; different network elements, signaling Let the firewalls exchange data streams through the M3UA transmission adaptati...

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PUM

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Abstract

The invention relates to a signaling firewall hierarchical interception method, device, system and equipment and a storage medium. The firewall hierarchical interception method comprises the following steps: creating a plurality of special signaling nodes which are independent of a signaling firewall and are used for generating countering messages; when the signaling firewall identifies an abnormal message coming from a signaling originating node, controlling a signaling forwarding node to forward the abnormal message to a corresponding special signaling node according to a preset distribution mechanism; when the special signaling node receives an abnormal message, generating a countering message based on a preset judgment rule of the special signaling node; the countering message is sent back to the signaling originating node. The method and the device have the advantages that the timeliness of message transmission in the SS7 network is high, the interception and countering effects of the signaling firewall are optimized, and therefore the security effect of the SS7 network is improved.

Description

technical field [0001] The present application relates to the technical field of signaling networks, and in particular to a method, device, system, equipment and storage medium for hierarchical interception by a signaling firewall. Background technique [0002] The No. 7 signaling system (SS7 network) is a common channel signaling system widely used in modern communication networks such as public switched telephone networks and cellular communication networks. The SS7 network is the preferred standard signaling system recommended by the International Telecommunication Union. In order to realize the interconnection and interoperability of telecommunication services, different communication operators, especially operators in different countries, will use the No. 7 signaling system to control the process of service exchange between operators. [0003] With the liberalization and loosening of regulation in the telecom market, SS7 networks are becoming more and more vulnerable t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/40H04L47/33H04Q3/00
CPCH04L63/0227H04L63/0263H04L63/162H04L63/20H04L47/33H04Q3/0025
Inventor 郑言璋叶树瑶赖民坚卓轩昂
Owner 广州晨扬通信技术有限公司