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Method, system and equipment for supply data communication identification

A technology of data communication and communication lines, applied in the field of data communication, can solve problems such as increasing the complexity of the system

Inactive Publication Date: 2004-05-12
提莱波斯公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this approach still adds complexity to the system due to the encryption of transmitted messages and the need for subagents based on additional authentication
This is especially a disadvantage in SNMP, because the SNMP system was originally designed as a simple and general communication protocol suitable for many kinds of systems

Method used

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  • Method, system and equipment for supply data communication identification
  • Method, system and equipment for supply data communication identification
  • Method, system and equipment for supply data communication identification

Examples

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Embodiment Construction

[0026] Preferred embodiments of the present invention provide a method, system and network entity for authenticating participant identities. The preferred embodiment applies the public string field of SNMP messages to operations between agents and clients based on security settings. Each public string is used only once, and the new string is determined by the same security algorithm on both sides. The security algorithm used is based on a random seed (random seed), and by generating a sufficiently complex new public string from the seed, the required security can be provided for the system. The applied public string should contain enough bits that the random / sequential string cannot be used by anyone monitoring the communication. Preferably, use at least five characters. The methods, systems and entities according to the present invention are useful because they provide a degree of security and authentication for generally non-secure network communication protocols, such as ...

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Abstract

The preferred embodiment applies community string field of the SNMP message to secure the SET operation between the agent and the client. Each community string is applied only once and new one is determined with the same secure algorithm at both ends. The used secure algorithm is based on random seed and can provide the system with required security by complex enough creation of the new community string from the seed. The applied community string should contain enough bits, so that anyone monitoring the traffic cannot use random / sequence strings. The method, the system and the entities according to the invention are very practical because they can provide the ordinarily insecure network communication protocol such as the Simple Network Management Protocol (SNMP) with some secure and authentication and yet preserve the simple philosophy of such a communication way.

Description

technical field [0001] The present invention generally relates to data communication over a communication line. Background technique [0002] Simple Network Management Protocol (SNMP) is a standard application layer protocol, through which the management information of a network element can be checked or modified by logical remote users. SNMP is widely used to manage client-server communications on the Internet or other networks that employ Transmission Control Protocol (TCP / IP) or User Datagram Protocol (UDP). However, SNMP is not limited to a specific client-server communication protocol, because SNMP controls the content and protocol of a message (message) used to access management information, rather than the specific manner in which the message is sent. SNMP is defined in J. Case, M. Fedor, M. Schoffstall, and J. Davin, Internet standards document RFC 1175, entitled "A Simple Network Management Protocol (SNMP)," May 1990, which is hereby incorporated by reference Refe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24
CPCH04L63/126H04L41/28H04L63/06H04L41/0213
Inventor 劳诺·亚瓦奈宁
Owner 提莱波斯公司
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