CN107368756B - Device for controlling outer net equipment by inner net - Google Patents
Device for controlling outer net equipment by inner net Download PDFInfo
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- CN107368756B CN107368756B CN201710668075.0A CN201710668075A CN107368756B CN 107368756 B CN107368756 B CN 107368756B CN 201710668075 A CN201710668075 A CN 201710668075A CN 107368756 B CN107368756 B CN 107368756B
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- controller
- intranet
- equipment
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
- G06F21/74—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information operating in dual or compartmented mode, i.e. at least one secure mode
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0209—Architectural arrangements, e.g. perimeter networks or demilitarized zones
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a device for controlling an external network device by an internal network, which comprises: the system comprises operation equipment, a first controller, a second controller, a third controller, a bidirectional switching module, intranet equipment and extranet equipment; the output end of the operating device is connected with the input end of the first controller, the output end of the first controller is connected with the input end of the bidirectional switching module, one path of the output end of the bidirectional switching module is connected with the input end of the second controller, the other path of the output end of the bidirectional switching module is connected with the input end of the third controller, the output end of the second controller is connected with the intranet device, and the output end of the third controller is connected with the extranet device. The device is convenient to use, simple to realize, does not need large investment, changes the layout of the existing internal and external networks, can control external network equipment under the internal network environment, simplifies the office environment and improves the office efficiency.
Description
Technical Field
The invention relates to the field of network equipment control, in particular to a device for controlling an external network equipment by an internal network.
Background
At present, in an office environment, an intranet is generally arranged to realize network connection of each computer in order to guarantee information security. However, in general, not only an internal network but also an external network is required for office work. When office staff work, if use the intranet, then use special intranet equipment, if use the extranet, reuse special extranet equipment. This causes inconvenience in work and lowers work efficiency.
Disclosure of Invention
In order to solve the above problems, the present invention provides a device for conveniently controlling an extranet device by an intranet.
The technical scheme of the invention is as follows: an apparatus for controlling an extranet device by an intranet, comprising: the system comprises operation equipment, a first controller, a second controller, a third controller, a bidirectional switching module, intranet equipment and extranet equipment; the output end of the operating equipment is connected with the input end of a first controller, the output end of the first controller is connected with the input end of a bidirectional switching module, one path of the output end of the bidirectional switching module is connected with the input end of a second controller, the other path of the output end of the bidirectional switching module is connected with the input end of a third controller, the output end of the second controller is connected with intranet equipment, and the output end of the third controller is connected with extranet equipment;
the second controller is also provided with a data receiving end, and the third controller is also provided with a data transmitting end; the data receiving end of the second controller is connected with the data transmitting end of the third controller;
a conversion sending program which converts a display interface of the external network equipment into real-time data stream information and sends the data stream information to a data receiving end of the internal network equipment through a data sending end is installed in the external network equipment;
a receiving program for converting the data stream information received by the data receiving end into a display interface of the outer network equipment is installed in the inner network equipment;
the operating equipment sends an operating instruction to the first controller, and the first controller controls the bidirectional switching module to gate the intranet route or the extranet route according to the operating instruction; when the bidirectional switching module gates an intranet route, an operation instruction of the operation equipment is transmitted to the intranet equipment through the first controller, the bidirectional switching module and the second controller, and the operation of the operation equipment on the intranet equipment is realized; when the bidirectional switching module gates an external network line, an operating instruction of the operating device is transmitted to the external network device through the first controller, the bidirectional switch and the third controller, so that the operation of the operating device on the external network device is realized, meanwhile, a display interface of the external network device is converted into real-time data stream information and transmitted to the internal network device, and the internal network device is converted into the display interface of the external network device through receiving the data stream information so as to realize the control of the internal network on the external network device.
Furthermore, a first unidirectional transmission module for preventing intranet data from leaking to the first controller is arranged between the bidirectional switching module and the second controller; a second unidirectional transmission module for preventing the external network data from leaking to the first controller is arranged between the bidirectional switching module and the third controller; and a third unidirectional transmission module for preventing the data of the intranet from leaking to the extranet is arranged between the second controller and the third controller.
Furthermore, the first unidirectional transmission module, the second unidirectional transmission module and the third unidirectional transmission module are all unidirectional optical gates.
Further, the operation devices are a keyboard and a mouse.
Further, the second controller is configured to simulate a composite device with a keyboard and a mouse.
Further, the third controller is configured as a network device.
Furthermore, a receiving program simulating a keyboard and a mouse is also installed on the external network equipment.
Further, the bidirectional switching module is a relay.
Furthermore, the first controller, the second controller and the third controller are all single-chip microcomputers.
Further, the extranet device is an extranet computer or an extranet server; the intranet equipment is an intranet computer.
The device for controlling the external network equipment by the internal network is convenient to use, simple to implement and free of large investment, changes the pattern of the existing internal and external networks, can control the external network equipment under the internal network environment, simplifies the office environment and improves the office efficiency.
Drawings
Fig. 1 is a schematic diagram of a specific embodiment of the present invention.
In the figure, 1-operation equipment, 2-a first controller, 3-a first unidirectional transmission module, 4-a bidirectional switching module, 5-a second unidirectional transmission module, 6-a second controller, 7-a third controller, 8-intranet equipment, 9-a third unidirectional transmission module, and 10-extranet equipment.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of specific examples, which are illustrative of the present invention and are not limited to the following embodiments.
As shown in fig. 1, the apparatus for controlling an extranet device by an intranet according to this embodiment includes: the system comprises an operating device 1, a first controller 2, a second controller 6, a third controller 7, a bidirectional switching module 4, an intranet device 8 and an extranet device 10.
The output end of the operating device 1 is connected with the input end of the first controller 2, the output end of the first controller 2 is connected with the input end of the bidirectional switching module 4, one path of the output end of the bidirectional switching module 4 is connected with the input end of the second controller 6, the other path of the output end of the bidirectional switching module 4 is connected with the input end of the third controller 7, the output end of the second controller 6 is connected with the intranet device 8, and the output end of the third controller 7 is connected with the extranet device 10.
The second controller 6 is also provided with a data receiving end, and the third controller 7 is also provided with a data transmitting end; the data receiving end of the second controller 6 is connected to the data transmitting end of the third controller 7.
The extranet device 10 is internally provided with a conversion sending program which converts the display interface of the extranet device 10 into real-time data stream information and sends the data stream information to the data receiving end of the intranet device 8 through the data sending end. The intranet equipment 8 is internally provided with a receiving program for converting the data stream information received by the data receiving end into a display interface of the extranet equipment 10.
The operation device 1 sends an operation instruction to the first controller 2, and the first controller 2 controls the bidirectional switching module 4 to gate the intranet route or the extranet route according to the operation instruction; when the bidirectional switching module 4 gates an intranet line, an operation instruction of the operation device 1 is transmitted to the intranet device 8 through the first controller 2, the bidirectional switching module 4 and the second controller 6, so that the operation of the operation device 1 on the intranet device 8 is realized; when the bidirectional switching module 4 gates the external network line, the operation instruction of the operation device 1 is transmitted to the external network device 10 through the first controller 2, the bidirectional switch and the third controller 7, so that the operation of the operation device 1 on the external network device 10 is realized, meanwhile, the display interface of the external network device 10 is converted into real-time data stream information and transmitted to the internal network device 8, and the internal network device 8 is converted into the display interface of the external network device 10 through receiving the data stream information, so that the control of the internal network on the external network device 10 is realized.
The specific operating device 1 may be a keyboard that receives keyboard key control information of an operator and a mouse that receives mouse key and slide control information of the operator. The operation instruction of the keyboard and the mouse is sent to the first controller 2, the first controller 2 can adopt a single chip microcomputer, the first controller 2 controls the gating direction of the bidirectional switching module 4 according to the operation instruction, and the selection of the gating direction can be determined by modes of special keys or key combinations of the keyboard, quick movement of the mouse, special keys of the mouse (such as special keys of the mouse, selection of the keyboard and the mouse, and the like, and the keyboard and the mouse have certain operation actions at the same time.
The bidirectional switching module 4 may select a relay, and it is ensured that when the relay is switched to one side, there is only a data channel from the operating device 1 to a selected receiving end (i.e., the intranet device 8 and the extranet device 10), and there is no data channel from the operating device 1 to an unselected receiving end.
The second controller 6 can be a single chip microcomputer, can be configured as a keyboard and mouse analog composite device, and can be connected with the intranet device 8 through a USB interface. When the first controller 2 controls the bidirectional switching module 4 to gate the intranet line according to the keyboard and mouse information of the operating device 1, the second controller 6 receives the keyboard and mouse information of the operating device 1, then the keyboard and mouse information is restored to the keyboard and mouse information of one intranet device 8 connected to the second controller 6, and the keyboard and mouse information is sent to the intranet device 8, so that the operation of the keyboard and the mouse on the intranet device 8 is achieved. At this time, the operator operates the intranet device 8.
The third controller 7 may be a single chip microcomputer, which may be configured as a network device and may be connected to the external network device 10 through a network interface. The external network device 10 is provided with a receiving program simulating a keyboard and a mouse, and when the first controller 2 controls the bidirectional switching module 4 to gate the external network line according to the keyboard and mouse information of the operating device 1, the receiving program receives the keyboard and mouse information sent by the operating device 1 and restores the keyboard and mouse information into the keyboard and mouse information for operating the external network device 10. At this time, the operator operates the external network apparatus 10.
Because the conversion sending program which converts the display interface of the external network equipment 10 into real-time data stream information and sends the data stream information to the data receiving end of the internal network equipment 8 through the data sending end is installed in the external network equipment 10; the intranet equipment 8 is internally provided with a receiving program for converting the data stream information received by the data receiving end into a display interface of the extranet equipment 10. When an operator operates the extranet device 10, the intranet device 8 restores a display interface of the extranet device 10 through a receiving program to obtain operation feedback, so that the extranet device 10 is freely operated, and the intranet controls the extranet device 10.
In order to ensure the security of network data, a first unidirectional transmission module 3 for preventing intranet data from leaking to the first controller 2 is arranged between the bidirectional switching module 4 and the second controller 6, and it is ensured that only intranet equipment 8 capable of transmitting an operation instruction of the operating equipment 1 is available, and intranet data cannot be transmitted to the first controller 2. A second unidirectional transmission module 5 for preventing the external network data from leaking to the first controller 2 is arranged between the bidirectional switching module 4 and the third controller 7, and the external network device 10 which can only transmit the operation instruction of the operation device 1 is ensured, while the external network data can not be transmitted to the first controller 2. A third unidirectional transmission module 9 for preventing intranet data from being leaked to the outer net is arranged between the second controller 6 and the third controller 7, the outer net data can only be transmitted to the intranet, the intranet data cannot be transmitted to the outer net, and the intranet data safety is guaranteed.
The first unidirectional transmission module 3, the second unidirectional transmission module 5 and the third unidirectional transmission module 9 can all adopt unidirectional optical shutters, and the unidirectional conduction characteristic of the unidirectional optical shutters can ensure that the information is transmitted from the information sender to the receiver without a transmission channel from the receiver to the sender.
In this embodiment, the first controller 2, the second controller 6, the third controller 7, the bidirectional switching module 4, the first unidirectional transmission module 3, the second unidirectional transmission module 5, and the third unidirectional transmission module 9 together form a switching device.
In this embodiment, the intranet device 8 may be an intranet computer, and the extranet device 10 may be an extranet computer or an extranet server.
The above disclosure is only for the preferred embodiments of the present invention, but the present invention is not limited thereto, and any non-inventive changes that can be made by those skilled in the art and several modifications and amendments made without departing from the principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. An apparatus for controlling an extranet device by an intranet, comprising: the system comprises operation equipment, a first controller, a second controller, a third controller, a bidirectional switching module, intranet equipment and extranet equipment; the output end of the operation equipment is connected with the input end of the first controller, the output end of the first controller is connected with the input end of the bidirectional switching module, one path of the output end of the bidirectional switching module is connected with the input end of the second controller, the other path of the output end of the bidirectional switching module is connected with the input end of the third controller, the output end of the second controller is connected with the intranet equipment, and the output end of the third controller is connected with the extranet equipment;
the second controller is also provided with a data receiving end, and the third controller is also provided with a data transmitting end; the data receiving end of the second controller is connected with the data transmitting end of the third controller;
a conversion sending program which converts a display interface of the external network equipment into real-time data stream information and sends the data stream information to a data receiving end of the internal network equipment through a data sending end is installed in the external network equipment;
a receiving program for converting the data stream information received by the data receiving end into a display interface of the outer network equipment is installed in the inner network equipment;
the operating equipment sends an operating instruction to the first controller, and the first controller controls the bidirectional switching module to gate the intranet route or the extranet route according to the operating instruction; when the bidirectional switching module gates an intranet route, an operation instruction of the operation equipment is transmitted to the intranet equipment through the first controller, the bidirectional switching module and the second controller, and the operation of the operation equipment on the intranet equipment is realized; when the bidirectional switching module gates an external network line, an operating instruction of the operating device is transmitted to the external network device through the first controller, the bidirectional switch and the third controller, so that the operation of the operating device on the external network device is realized, meanwhile, a display interface of the external network device is converted into real-time data stream information and transmitted to the internal network device, and the internal network device is converted into the display interface of the external network device through receiving the data stream information so as to realize the control of the internal network on the external network device.
2. The apparatus of claim 1, wherein a first unidirectional transmission module is disposed between the bidirectional switch module and the second controller to prevent intranet data from leaking to the first controller; a second unidirectional transmission module for preventing the external network data from leaking to the first controller is arranged between the bidirectional switching module and the third controller; and a third unidirectional transmission module for preventing the data of the intranet from leaking to the extranet is arranged between the second controller and the third controller.
3. The apparatus of claim 2, wherein the first unidirectional transmission module, the second unidirectional transmission module, and the third unidirectional transmission module are unidirectional shutters.
4. The apparatus for controlling an extranet device according to an intranet as claimed in claim 1, 2 or 3, wherein the operation devices are a keyboard and a mouse.
5. The apparatus of claim 4, wherein the second controller is configured as a keyboard-mouse analog composite device.
6. The apparatus of claim 4, wherein the third controller is configured as a network device.
7. The apparatus of claim 6, wherein the extranet device further comprises a receiving program simulating a keyboard and a mouse.
8. The apparatus of the intranet controlling extranet device according to claim 1, 2, 3, 5, 6 or 7, wherein the bidirectional switching module is a relay.
9. The apparatus of the intranet controlling extranet device according to claim 1, 2, 3, 5, 6 or 7, wherein the first controller, the second controller and the third controller are all single-chip microcomputers.
10. The apparatus for controlling an extranet device according to the intranet of claim 1, 2, 3, 5, 6 or 7, wherein the extranet device is an extranet computer or an extranet server; the intranet equipment is an intranet computer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710668075.0A CN107368756B (en) | 2017-08-07 | 2017-08-07 | Device for controlling outer net equipment by inner net |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710668075.0A CN107368756B (en) | 2017-08-07 | 2017-08-07 | Device for controlling outer net equipment by inner net |
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| CN107368756A CN107368756A (en) | 2017-11-21 |
| CN107368756B true CN107368756B (en) | 2020-05-15 |
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| CN201710668075.0A Active CN107368756B (en) | 2017-08-07 | 2017-08-07 | Device for controlling outer net equipment by inner net |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108109625B (en) * | 2017-12-21 | 2021-07-20 | 北京华夏电通科技股份有限公司 | Mobile phone voice recognition internal and external network transmission system and method |
| CN117079517B (en) * | 2023-10-16 | 2024-01-09 | 中孚安全技术有限公司 | Intelligent automobile secret stealing experience system, method and medium for secret education |
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| CN201489416U (en) * | 2009-09-02 | 2010-05-26 | 上海芯动信息技术有限公司 | Multi-core integrated dual-screen computer |
| CN201698438U (en) * | 2009-11-30 | 2011-01-05 | 厦门市美亚柏科信息股份有限公司 | One-way transmission device |
| CN105320284A (en) * | 2014-06-18 | 2016-02-10 | 山东中孚信息产业股份有限公司 | Device for physical security unidirectional switching control of keyboard and mouse |
| CN205334485U (en) * | 2015-12-10 | 2016-06-22 | 安徽问天量子科技股份有限公司 | Integration data ferry device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8826432B2 (en) * | 2012-12-06 | 2014-09-02 | Airwatch, Llc | Systems and methods for controlling email access |
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- 2017-08-07 CN CN201710668075.0A patent/CN107368756B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1905477A (en) * | 2005-07-29 | 2007-01-31 | 东方惠科防伪技术有限责任公司 | Network data isolation system and data transmission method |
| CN201489416U (en) * | 2009-09-02 | 2010-05-26 | 上海芯动信息技术有限公司 | Multi-core integrated dual-screen computer |
| CN201698438U (en) * | 2009-11-30 | 2011-01-05 | 厦门市美亚柏科信息股份有限公司 | One-way transmission device |
| CN105320284A (en) * | 2014-06-18 | 2016-02-10 | 山东中孚信息产业股份有限公司 | Device for physical security unidirectional switching control of keyboard and mouse |
| CN205334485U (en) * | 2015-12-10 | 2016-06-22 | 安徽问天量子科技股份有限公司 | Integration data ferry device |
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Address after: 250101 15-16 / F, building 2, Aosheng building, 1166 Xinluo street, high tech Zone, Jinan City, Shandong Province Patentee after: ZHONGFU INFORMATION Co.,Ltd. Patentee after: Zhongfu Safety Technology Co.,Ltd. Address before: 250101 15-16 / F, building 2, Aosheng building, 1166 Xinluo street, high tech Zone, Jinan City, Shandong Province Patentee before: ZHONGFU INFORMATION Co.,Ltd. Patentee before: SHANDONG ZHONGFU SAFETY TECHNOLOGY CO.,LTD. |