Security isolation file transmission control method

Abstract

The invention discloses a security isolation file transmission control method. Security internal and external network file transmission is achieved through one-way transmission network architecture of a protocol control module and a security guarantee module. The method mainly comprises the steps that the security guarantee module is configured, all units of a system are started, a request end host initiates data connection with a target host, the target host responds to a data connection request of the request end host, a file transmission order of the request end host is packaged, a transmission file is detached, files are transmitted and merged, and connection is withdrawn. The request end host can send the files to the target host and can download the files from the target host, and concurrent file sending and file downloading of multiple tasks and multiple users can be achieved. According to the security isolation file transmission control method, internal and external data based on one-way network isolation equipment can be transparently transmitted, and the internal and external data transmission efficiency can be improved through a soft exchange protocol.

Description

technical field [0001] The invention relates to a security isolation control method, in particular to a security isolation file transmission control method. It is especially suitable for transferring data between networks with different confidentiality levels. While ensuring the security of the intranet, it can realize the efficient transmission of files between the intranet and the intranet. Background technique [0002] In terms of network security, the fifth-generation isolation technology is currently used to ensure network security, and its main product is the network security isolation device. Most mainstream manufacturers adopt the method of protocol stripping and identity verification for the core principle of network security isolation devices. The main domestic companies represented by Shandong Sirui and Beijing Digital Star are currently adopting this technology in large quantities. product. The key point for this technology to ensure the security of the intrane...

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Problems solved by technology

[0004] It is precisely because of the above security mechanism that the security isolation device cannot deploy application layer protocols (such as FTP, HTTP, SNMP, etc.). At the same time, the widely used one-way isolation device does not have the function of two-way data communication, which cannot meet the needs to achieve high efficiency and reliability. two-way communication business

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