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SBC-oriented malformation SIP message detection method and system

A message and deformity technology, applied in transmission systems, electrical components, etc., can solve problems such as lack of safety testing methods, and achieve simple and practical effects, reduce detection delays, and improve safety protection capabilities

Inactive Publication Date: 2015-02-25
BEIJING UNIV OF POSTS & TELECOMM
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AI Technical Summary

Problems solved by technology

Currently, the security testing of the IMS network is still in the research stage, and the industry still lacks a security testing method for testing the IMS core network

Method used

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  • SBC-oriented malformation SIP message detection method and system
  • SBC-oriented malformation SIP message detection method and system
  • SBC-oriented malformation SIP message detection method and system

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Embodiment Construction

[0053] The present invention will be described in further detail below in conjunction with the accompanying drawings:

[0054] A method and system for SBC-oriented malformed SIP message detection. A module with malformed SIP message detection function is added to SBC. This module is designed to detect all SIP messages that do not meet the BNF paradigm definition in RFC3261, and reduce the detection delay as little as possible, such as Figure 4 As shown, the method includes:

[0055] A. SBC forwards the received SIP message to the malformation detection module;

[0056] B. Malformation detection module detects SIP messages according to the written detection rules;

[0057] C. The malformation detection module makes the next action based on the detection result. If it is a normal SIP message, the malformation detection module returns a normal signal to the SBC and returns the SIP message. If the detection result is a malformed message, it is malformed. The detection module directly f...

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Abstract

The invention provides an SBC-oriented malformation SIP message detection method and system, and belongs to the field of core network safety detection. The SBC-oriented malformation SIP message detection method comprises the steps that 101, a malformation SIP message detection module is added for the SBC, and a malformation SIP message database is built; 102, the SBC forwards the received SIP message to the malformation SIP message detection module, and the malformation SIP message detection module detects the SIP message; 103, the malformation SIP message detection module sends a replay message to the SBC according to the detection result; 104, the SBC is in communication with an IMS core network according to the message returned to the malformation SIP message detection module.

Description

Technical field [0001] The invention belongs to the field of core network security detection, and specifically relates to a method and system for SBC-oriented malformed SIP message detection. Background technique [0002] IP Multimedia Subsystem (IMS, IP Multimedia Subsystem) is a subsystem that supports IP multimedia services proposed by the 3rd Generation Partnership Project (3GPP) in the Release 5 standard. Various types of clients can establish end-to-end IP communication through IMS and obtain the required quality of service. IMS is an IP multimedia system, a brand new form of multimedia services, which can meet the needs of current terminal customers for more novel and diversified multimedia services. At present, IMS is regarded as the core technology of the next-generation network, and it is also an important way to solve the integration of mobile and fixed networks and introduce differentiated services such as voice, data, and video triple integration. However, most of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L63/123H04L65/1016
Inventor 王玉龙张文竹李辉苏森双锴徐鹏
Owner BEIJING UNIV OF POSTS & TELECOMM
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