A mail security analysis method and device based on osi seven-layer protocol
A technology of security analysis and protocol layering, applied in the field of email, can solve problems such as inability to fully monitor email security
Active Publication Date: 2019-02-15
CEC CYBERSPACE GREAT WALL
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Problems solved by technology
[0011] The technical problem to be solved by the present invention is to provide a method and device for email security analysis based on the OSI seven-layer protocol for the above-mentioned defects in the prior art, so as to solve the problem that the email security cannot be fully monitored in the prior art. question
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[0025] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. Apparently, the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0026] figure 1 The schematic flow chart of the first embodiment of the email security analysis method based on the OSI seven-layer protocol provided by the present invention, as figure 1 The shown email security analysis method based on the OSI seven-layer protocol comprises the following steps:
[0027] Step S101 , splitting the acquired email data into six-layer data packets one-to-one corresponding to the second to seven...
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The present invention provides a mail security analysis method and device based on the OSI seven-layer protocol. The method includes the following steps: splitting the acquired mail data into two to seven-layer protocols related to the seven-layer protocol according to the OSI seven-layer protocol One-to-one corresponding six-layer data packet; according to the preset six-layer protocol layering algorithm, calculate the six-layer data packet, determine the six-layer protocol layered analysis sub-result, according to the six-layer protocol layered analysis sub-result and The preset six-layer protocol linkage analyzes the corresponding relationship, determines and outputs email insecurity factors. The mail security analysis method and device based on the OSI seven-layer protocol provided by the present invention are determined respectively at the link layer, network layer, transport layer, session layer, presentation layer and application layer by monitoring various communication protocols of mail data streams. The analysis sub-results of each layer, and then the analysis sub-results of each layer are jointly analyzed, comprehensively judged, comprehensively identify various unsafe emails, and determine the unsafe factors of the emails.
Description
technical field [0001] The invention relates to the technical field of emails, in particular to an email security analysis method and device based on the OSI (Open System Interconnection) seven-layer protocol. Background technique [0002] In recent years, the rapid development of e-mail as a communication method has created opportunities and challenges for the software industry and companies around the world. Software companies create popular email client and server software and offer enhanced functionality through free downloads and high-end business applications. Many companies release email solutions and make them available to end users for free, supported by frequent advertising sponsorships. Commercial providers of enterprise software have also been innovating, providing enhanced functionality to help electronic information departments manage e-mail systems more efficiently and securely, and to help information workers address the management challenges posed by large ...
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IPC IPC(8): H04L12/58H04L29/06
CPCH04L63/16H04L63/306H04L51/42H04L51/23
Inventor 李波邬江
Owner CEC CYBERSPACE GREAT WALL