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A method and device for preventing signaling attacks

A signaling and legal technology, applied in the field of communication, can solve problems such as hidden dangers of communication security

Active Publication Date: 2021-06-15
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the MME (SGSN) and HSS do not belong to the same operator, the attacker may modify the content of the Diameter layer, causing communication security risks

Method used

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  • A method and device for preventing signaling attacks
  • A method and device for preventing signaling attacks
  • A method and device for preventing signaling attacks

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Embodiment Construction

[0035] Embodiments of the present invention provide a method and device for preventing signaling attacks, in order to prevent Diameter signaling attacks and improve communication security.

[0036] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0037] The terms "first", "second" and "third" in the specification and claims of the present invention and the above drawings are used to dist...

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Abstract

The embodiment of the present invention discloses a method and device for preventing signaling attacks. The method includes: receiving a diameter request message sent by a mobile management node (MME) or a serving general packet radio service (GPRS) support node (SGSN); judging Whether the diameter request message is received from a roaming interface; when the diameter request message is received from a roaming interface, determine whether the characteristic parameter of the diameter request message is legal; if the characteristic parameter of the diameter request message is not legal, then discard The diameter request message or return a diameter response message carrying an error code to the MME or the SGSN. Therefore, it can effectively block hackers from using various attack paths to attack the HSS or edge nodes, and improve communication security.

Description

technical field [0001] The invention relates to the communication field, in particular to a method and device for preventing signaling attacks. Background technique [0002] A Mobility Management Entity (MME for short), a Serving GPRS Support Node (SGSN for short), and a Home Subscriber Server (HSS for short) are all important network elements in a mobile communication network. Among them, the MME is responsible for the signaling processing part, the SGSN mainly completes the routing and forwarding of packet data packets, mobility management, session management and other functions, and the HSS is used to support the IP Multimedia Subsystem (IP Multimedia Subsystem, IMS for short) for handling calls / sessions. ) the main user database of the network entity. [0003] In the 4th Generation mobile communication technology (4G for short) network, the communication between MME (SGSN) and HSS is based on the DIAMETER protocol, and in order to improve performance in actual networkin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04W12/122
CPCH04L63/1416H04L63/1441H04W12/08H04L63/1458H04L2463/142H04W12/67H04W12/122H04W76/11H04W8/04H04W8/08H04W84/042
Inventor 何承东
Owner HUAWEI TECH CO LTD
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