Switching method and device of communication protocol

A communication protocol and protocol technology, applied in the field of communication, can solve problems such as inability to achieve interoperability, and achieve the effect of solving transition problems

Active Publication Date: 2015-06-10
QI-ANXIN LEGENDSEC INFORMATION TECH (BEIJING) INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] For related technologies, products supporting standard protocols and products supporting protocols specified in the "IPSec VPN Technical Specifications" in the market cannot achieve interoperability, and no effective solutions have been proposed

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  • Switching method and device of communication protocol
  • Switching method and device of communication protocol
  • Switching method and device of communication protocol

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Embodiment Construction

[0026] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0027] Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

[0028] 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 pres...

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Abstract

The invention provides a switching method of a communication protocol and a switching device of the communication protocol, wherein the method comprises the following steps: a VPN (virtual private network) gateway device receives a data packet from a sending party during the negotiation process of a main mode; the VPN gateway device obtains the characteristics information of the data packet from the data packet; the VPN gateway device determines a first communication protocol adopted by the sending party according to the characteristics information; the VPN gateway device switches a second communication protocol supported at present into the first communication protocol. By adopting the technical scheme provided by the invention, the switching method and device of the communication protocol solves the problem that products supporting a standard protocol in the market and products supporting protocol stipulated in IPSec VPN Technical Code cannot realize the interworking in the related technology; by judging if the opposite side uses the standard protocol or the protocol stipulated in the IPSec VPN Technical Code, the negotiation protocol supported by the opposite side can be automatically switched according to the protocol used by the opposite side.

Description

technical field [0001] The present invention relates to the communication field, in particular to a communication protocol switching method and device. Background technique [0002] The market for virtual private network (Virtual Private Network, referred to as VPN) related technologies and products applying VPN technology is very mature. At present, the most used VPN products are mainly based on IP security protocol (Internet Protocol Security, referred to as IPSec) VPN. (Such as figure 1 shown), a data encryption key is generated after key negotiation through the Internet Key Exchange (IKE) protocol, and the transmitted data is encapsulated and encrypted with this key. [0003] Of course, it should be noted that the standard VPN technology and its products have certain defects, and the vulnerabilities caused by these defects are often exploited by hackers. For example, in the current IPSec VPN products, there are main mode and aggressive mode. Two authentication methods,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/46
CPCH04L63/0272H04L69/08
Inventor 任献永
Owner QI-ANXIN LEGENDSEC INFORMATION TECH (BEIJING) INC
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