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A Kind of Design and Application of the Computer Network Isolation Device

Author: SuZhiJie
Tutor: SongLiMin
School: Dalian Maritime University
Course: Information and Communication Engineering
Keywords: Network Security μC/OS- Ⅱ Operating system ZNE-10T SCM
CLC: TP393.08
Type: Master's thesis
Year: 2010
Downloads: 61
Quote: 0
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Abstract


With the rapid development of computer technology and network technology , personal computer and data theft of network intrusion events occur frequently , people suffered growing losses . Usually people the primary means to prevent such an event is to raise the level of the computer 's internal anti-virus software , or to enhance the performance of the firewall , but only inside the computer software upgrade and can not completely prevent the remote control of the computer and the computer internal data to steal . In this paper, based on this proposed isolator hardware in a computer network , designed to improve the safety performance of the personal computer . This article focuses on the hardware and software implementation of the device . On the hardware side , the paper introduces several embedded hardware Internet access program , and choose the best solution for this article , and to ATmegal61 core design of the unit of measurement frequency , also describes the serial display application unit ; On the software side , the article describes embedded real-time operating system μC / OS-II transplantation as well as the equipment . In this article also describes the status of network security at home and abroad , the significance of the research . Thesis completed work : first , the domestic and international network security status and the protective measures put forward a new response program ; several embedded hardware selected for this device , the module ZNE-10T and the module debugging and parameter configuration to achieve the measurement data traffic the network differential signal to single-ended TTL level signal conversion , and prepared the way for the subsequent design ; third, designed and implemented based on ATmegal6L part of the hardware and the embedded real-time operating system μC / OS-II porting , and application layer program design . Achieve a hardware control and computer network -off control of the outgoing data traffic . In summary , this paper on the basis of access to large amounts of information and documentation related to the hardware design and software programming , laboratory tests show that the on-off control of the computer network based on the flow of physical . The good performance of the design , easy operation and flexible , and free from computer virus , so this design a good value and the market prospects in the field of network security .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > General issues > Computer Network Security
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