Network communication system

A technology of network communication and network segment, applied in the field of network communication, it can solve problems such as leakage of confidential information, and achieve the effect of high security and prevention of illegal theft

Inactive Publication Date: 2011-05-11
HUNDSUN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The internal LAN and the Internet are connected through a gateway. The internal LAN and the Internet are based on the TCP/IP protocol for information exchange. Data information is transmitted on the network in plain text. Un

Method used

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Embodiment Construction

[0014] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0015] The invention distinguishes the computer connected to the Internet from the computer connected to the internal LAN, and the two are connected through a dedicated USB connection line, using a private protocol for data interaction, and the USB connection line adopts a non-standard API interface, which has high security, thereby effectively preventing The information and data of the internal LAN are illegally stolen by bad Internet users.

[0016] see figure 2 , shows the network communication system of the present invention, including a plurality of front isolation machines 21 of the office network segment, rear isolation machines 22 of the transaction network segment, the front isolation machines 21 are connected to the Int...

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Abstract

The invention relates to a network communication system. The system is characterized in that the system comprises at least a front isolator in the office network segment and rear isolators in the transaction network segment, wherein the front isolator/isolators is/are connected with the internet; the front isolator/isolators and the rear isolators are connected via USB connection lines; application program interfaces (APIs) are adopted at the two ends of each USB connection line; and the front isolator/isolators and the rear isolators transfer data by adopting private protocols. The system has the following advantages: the computers connected with the internet and the computers connected with the internal local area network (LAN) are separated from each other and are connected with each other via special USB connection lines, the private protocols are adopted for data interaction, and the USB connection lines adopt non-standard APIs and the security is high, thus effectively preventing the information data in the internal LAN from being illegally stolen by the undesirable internet users.

Description

technical field [0001] The invention relates to the field of network communication, in particular to a network communication system capable of ensuring communication safety. Background technique [0002] In recent years, with the rapid development of information technology in our country, the application of e-government has become more and more extensive. Units using e-government (such as industry and commerce, taxation, banking, military, etc.) need to rely on network communication systems to handle daily affairs. On the one hand, the unit's network communication system must be connected to the Internet to exchange information with the outside world through the Internet; on the other hand, it must be connected internally to form a local area network for internal data transmission. However, because many confidential information related to the state and individuals are stored in the internal LAN of the above-mentioned users, the network communication system is required to ens...

Claims

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Application Information

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IPC IPC(8): H04L29/06
Inventor 朱琨李星
Owner HUNDSUN TECH
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