CN105871819A - Transmission control method and device - Google Patents
Transmission control method and device Download PDFInfo
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- CN105871819A CN105871819A CN201610169685.1A CN201610169685A CN105871819A CN 105871819 A CN105871819 A CN 105871819A CN 201610169685 A CN201610169685 A CN 201610169685A CN 105871819 A CN105871819 A CN 105871819A
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- protocol data
- data bag
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/401—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference
- H04L65/4015—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference where at least one of the additional parallel sessions is real time or time sensitive, e.g. white board sharing, collaboration or spawning of a subconference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/131—Protocols for games, networked simulations or virtual reality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Communication Control (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention aims at providing a transmission control method and device. According to the method and the device, code streams for realizing unidirectional transmission control in a protocol data packet are modified into abnormal code streams by analyzing the protocol data packet in an operation and maintenance process; when the abnormal code streams are identified by a target machine, the protocol data packet is discarded and is not processed, therefore, the unidirectional transmission control can be realized; security control to data transmission is solved; and a user can carry out IT device operation and maintenance management conveniently. Through adoption of the method and the device, data of files, folders, pictures and texts transmitted by disk mapping and clipboards can be controlled through utilization of the existing operation and maintenance management system; the security and flexibility of the system are improved.
Description
Technical field
The present invention relates to computer realm, particularly relate to a kind of transfer control method and equipment.
Background technology
Along with the propelling of national information industry, information security is increasingly paid attention to by government and enterprise,
After various IT infrastructure construction complete, the operation maintenance work of information technoloy equipment becomes more and more numerous and more jumbled, at this
Planting under situation, operation management system is applied and is given birth to.
Operation management system is as user and the intermediate layer of target device, and it has needed the generation of various agreement
Reason O&M process, realizes relevant control function simultaneously.Windows is the leading of current desktop operating system
Manufacturer, the sharp weapon of its mstsc carried Remote desk process especially.Mstsc uses rdp agreement (Remote
Desktop Protocol, RDP) carry out communication, the number between local desktop and remote desktop
According to exchange, Disk Mapping and the clipbook that can be carried by it are carried out.
But, current existing windows carries clipbook and Disk Mapping, is transmitted in both directions after unlatching
, it is impossible to accomplish the control of one-way transmission, there is safety problem.Specifically, although existing method
Local and remote data transmission can be realized, but there is also the biggest weak point simultaneously:
The most two-way data transmission, it is meant that user can download from a server any information；
The most two-way data transmission, it is meant that user can upload any information to server.
Summary of the invention
It is an object of the present invention to provide a kind of transfer control method and equipment, it is possible to solve existing
Windows carries clipbook and Disk Mapping, is transmitted in both directions, it is impossible to accomplish one-way transmission after unlatching
The problem of control.
According to an aspect of the invention, it is provided a kind of transfer control method, the method includes:
The protocol data bag received from client during resolving O&M, determines in protocol data bag and realizes
The code stream location revision that one-way transmission controls；
When carrying out one-way transmission and controlling, it is revised as at code stream location revision described in protocol data bag
Abnormal code stream；
Amended protocol data bag is sent to target machine.
Further, when the protocol data bag that described protocol data bag is clipbook, described code stream is repaiied
Change the position that position is status information place.
Further, it is revised as abnormal code stream by code stream location revision described in protocol data bag, bag
Include:
The code stream of status information position described in protocol data bag is revised as status error information.
Further, when described protocol data bag is the protocol data bag that hard disk maps, described code stream
Location revision is the position at disk number place.
Further, it is revised as abnormal code stream by code stream location revision described in protocol data bag, bag
Include:
The code stream of disk number position described in protocol data bag is revised as unrecognizable disk
Numbering.
Further, described protocol data bag is rdp protocol data bag.
According to a further aspect in the invention, additionally providing a kind of transmission control equipment, this equipment includes:
Protocol resolution module, the protocol data bag received from client during resolving O&M, really
Determine protocol data bag realizes the code stream location revision that one-way transmission controls；And when carrying out one-way transmission control
Time processed, at code stream location revision described in protocol data bag, it is revised as abnormal code stream；
Sending module, for being sent to target machine by amended protocol data bag.
Further, when the protocol data bag that described protocol data bag is clipbook, described agreement solution
The position that described code stream location revision is status information place that analysis module determines.
Further, described protocol resolution module, for by status information position described in protocol data bag
The code stream at the place of putting is revised as status error information.
Further, when described protocol data bag is the protocol data bag that hard disk maps, described agreement
The position that described code stream location revision is disk number place that parsing module determines.
Further, described protocol resolution module, for by disk number position described in protocol data bag
The code stream at the place of putting is revised as unrecognizable disk number.
Further, described protocol data bag is rdp protocol data bag.
Compared with prior art, the application is by the protocol data bag during parsing O&M, by agreement
The code stream realizing one-way transmission control in packet is revised as abnormal code stream, recognizes at target machine
During abnormal code stream, this protocol data bag is abandoned and does not process, one-way transmission control can be realized, both solved
Certainly the safety of data transmission controls, and user can be facilitated again to carry out information technoloy equipment operation management.Pass through
The application, it is possible to achieve file, file, picture, text etc. are borrowed by existing operation management system
Help the control in any one direction of the data that Disk Mapping and clipbook be transmitted, and improve system
Remarkable result is created in system safety, motility.
Accompanying drawing explanation
The detailed description that non-limiting example is made made with reference to the following drawings by reading, this
Bright other features, objects and advantages will become more apparent upon:
Fig. 1 illustrates the flow chart of a kind of transfer control method according to one aspect of the invention；
Fig. 2 illustrates the sequential chart of the rdp agency service model of one embodiment of the invention；
Fig. 3 illustrates the clipbook time sequential routine figure of one embodiment of the invention；
Fig. 4 illustrates the module map of a kind of transmission control equipment according to a further aspect of the present invention.
In accompanying drawing, same or analogous reference represents same or analogous parts.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail.
In one typical configuration of the application, terminal, the equipment of service network and trusted party all include
One or more processors (CPU), input/output interface, network interface and internal memory.
Internal memory potentially includes the volatile memory in computer-readable medium, random access memory
(RAM) and/or the form such as Nonvolatile memory, such as read only memory (ROM) or flash memory (flash
RAM).Internal memory is the example of computer-readable medium.
Computer-readable medium includes that removable media permanent and non-permanent, removable and non-is permissible
Information storage is realized by any method or technology.Information can be computer-readable instruction, data knot
Structure, the module of program or other data.The example of the storage medium of computer includes, but are not limited to phase
Become internal memory (PRAM), static RAM (SRAM), dynamic random access memory
(DRAM), other kinds of random access memory (RAM), read only memory (ROM), electricity
Erasable Programmable Read Only Memory EPROM (EEPROM), fast flash memory bank or other memory techniques, read-only
Compact disc read-only memory (CD-ROM), digital versatile disc (DVD) or other optical storage,
Magnetic cassette tape, magnetic disk storage or other magnetic storage apparatus or any other non-transmission medium,
Can be used for the information that storage can be accessed by a computing device.According to defining herein, computer-readable
Medium does not include non-temporary computer readable media (transitory media), as modulation data signal and
Carrier wave.
As it is shown in figure 1, the application provides a kind of transfer control method, the method includes:
Step S1, the protocol data bag received from client during resolving O&M, determine protocol data
Bag realizes the code stream location revision that one-way transmission controls；
Step S2, when carrying out one-way transmission and controlling, by code stream location revision described in protocol data bag
Abnormal code stream is revised as at place；
Step S3, is sent to target machine by amended protocol data bag.The present embodiment is by resolving
Protocol data bag during O&M, repaiies the code stream realizing one-way transmission control in protocol data bag
Change abnormal code stream into, when target machine recognizes abnormal code stream, this protocol data bag is abandoned and does not locate
Reason, can realize one-way transmission control, and the safety both having solved data transmission controls, and can facilitate again
User carries out information technoloy equipment operation management.
In transfer control method one preferred embodiment of the application, described protocol data bag is rdp association
View packet.Concrete, as in figure 2 it is shown, rdp Agent is equivalent to the intermediate layer of system, by
It is responsible for receiving the I/O request that rdp client (mstsc, rdesktop etc.) sends over, this agency
Service built-in protocol resolution module, this module be mainly responsible for resolving during O&M with Disk Mapping and cutting
Pasting board has the protocol data bag of substantial connection, needs to insert at protocol data bag according to user after being parsed
Enter abnormal code stream, form amended agreement I/O operation request (amended protocol data bag), and
This amended agreement I/O operation request is forwarded to remote object machine, and remote object machine receives
After asking to this amended agreement I/O operation, rdp Agent receives remote object machine pair
After what described amended agreement I/O operation was asked abandons the response not processed, then it is forwarded to rdp visitor
Family end (mstsc, rdesktop etc.), thus realize one-way transmission control.
In transfer control method one preferred embodiment of the application, when described protocol data bag is for cliping and pasting
During the protocol data bag of plate, described code stream location revision is the position at status information place.Here, it is logical
Cross the up-downgoing to clipbook to control, i.e. can improve the safety of system, just the most not affect system
Often use.Such as, as it is shown on figure 3, in rdp agreement, the data of clipbook are to pass through clipbook
Proprietary tunnel be transmitted, the local and copy of far-end and paste operation, can use two
The system clipboard of end.Host A, carrying out copy function when, first triggers clipbook and updates logical
Know.Clipbook tunnel termination receives this notice, sends clipbook more newly requested to host B, B
After receiving this request, local clipboard information can be revised according to the form of request, notes the most also
Do not transmit the data of reality, after B clipbook information updating success, response message can be sent to host A.
Carrying out pasting operation on host B, then can trigger clipboard data request, this request is through rdp generation
Reason service, is forwarded to host A, and at this time host A needs the clipboard data of actual storage with association
The form of view agreement is sent to host B, and host B receives data and updates local clipboard, now should
Just operation can be pasted by using what local clipboard completed data by program.Described above whole
In the flow process of individual clipbook, there is a key point, it is simply that A main frame obtains local clipboard real data,
Being given to B main frame through rdp agency service, the clipbook up-downgoing realized in the application controls, it is simply that
Complete by carrying out agreement in this process and inserting code.Such as, rdp agency service receives A
After the clipboard data response that main frame sends, analyze module, the agreement to this process by invocation protocol
Decoding data. can find carry inside each respond packet a status information, this letter after decoding
Breath represents whether A main frame gets clipboard data, needs the joining according to up-downgoing parameter exactly done
Put, decide whether to revise this state information field, just add by the way of agreement inserts code by this agency
The up-downgoing to clipbook can be realized control.
In transfer control method one preferred embodiment of the application, by code stream described in protocol data bag
Abnormal code stream it is revised as at location revision, including:
The code stream of status information position described in protocol data bag is revised as status error information.Ratio
As, in rdp agreement, if 0 represents that state is normal, 2 represent status error, when needs are carried out
When being unidirectionally controlled, need that does exactly by 0, the status information of protocol data bag to be revised as 2 the most herein,
It is the most convenient to operate.
In transfer control method one preferred embodiment of the application, when described protocol data bag is hard disk
During the protocol data bag mapped, described code stream location revision is the position at disk number place.Here,
Controlled by the up-downgoing that hard disk is mapped, i.e. can improve the safety of system, the most not affect system
Normal use.Such as, in rdp agreement, the data of Disk Mapping are by proprietary tunnel
It is transmitted.Although the related procedure of Disk Mapping and clipbook are different, but by this rdp
Proxy service mode, analyzes module by invocation protocol, parses the corresponding data cell of Disk Mapping,
Its up-downgoing can also be realized control.
In transfer control method one preferred embodiment of the application, by code stream described in protocol data bag
Abnormal code stream it is revised as at location revision, including:
The code stream of disk number position described in protocol data bag is revised as unrecognizable disk
Numbering.Concrete, during resolving Disk Mapping, it is found that the disk of mapping in the protocol can
Distribute fixing disk number id, this disk number id uniqueness identify one piece of disk.Right
The I/O operations such as the read-write of this disk are all carried out by this id, so rdp agency service,
Parsing after Disk Mapping reads and writes I/O accordingly, if there being the needs that up-downgoing controls, then needing to repair
Change that this id is a system nonrecognition No. id, thus can realize the control of up-downgoing easily
System.
Pass through the application, it is possible to achieve existing operation management system to file, file, picture,
The control in any one direction of the data that text etc. are transmitted by Disk Mapping and clipbook, and
Remarkable result is created in security of system, motility improving.
According to the another side of the application, also provide for a kind of transmission control equipment, wherein, this equipment 100
Including:
Protocol resolution module 1, the protocol data bag received from client during resolving O&M,
Determine and protocol data bag realizes the code stream location revision that one-way transmission controls；And when carrying out one-way transmission
During control, at code stream location revision described in protocol data bag, it is revised as abnormal code stream；
Sending module 2, for being sent to target machine by amended protocol data bag.The present embodiment
By resolving the protocol data bag during O&M, protocol data bag will realize one-way transmission control
Code stream be revised as abnormal code stream, when target machine recognizes abnormal code stream, to this protocol data bag
Abandoning and do not process, can realize one-way transmission control, the safety both having solved data transmission controls, again
User can be facilitated to carry out information technoloy equipment operation management.
In transmission control equipment one preferred embodiment of the application, described protocol data bag is rdp association
View packet.Concrete, as in figure 2 it is shown, rdp Agent is equivalent to the intermediate layer of system, by
It is responsible for receiving the I/O request that rdp client (mstsc, rdesktop etc.) sends over, this agency
Service built-in protocol resolution module, this module be mainly responsible for resolving during O&M with Disk Mapping and cutting
Pasting board has the protocol data bag of substantial connection, needs to insert at protocol data bag according to user after being parsed
Enter abnormal code stream, form amended agreement I/O operation request (amended protocol data bag), and
This amended agreement I/O operation request is forwarded to remote object machine, and remote object machine receives
After asking to this amended agreement I/O operation, rdp Agent receives remote object machine pair
After what described amended agreement I/O operation was asked abandons the response not processed, then it is forwarded to rdp visitor
Family end (mstsc, rdesktop etc.), thus realize one-way transmission control.
In transmission control equipment one preferred embodiment of the application, when described protocol data bag is for cliping and pasting
During the protocol data bag of plate, the described code stream location revision that described protocol resolution module 1 determines is state
The position at information place.Here, by the up-downgoing of clipbook is controlled, system i.e. can be improved
Safety, does not the most affect the normal use of system.Such as, as it is shown on figure 3, in rdp agreement,
The data of clipbook are that the proprietary tunnel by clipbook is transmitted, and this locality is copied with far-end
Shellfish and paste operation, can use the system clipboard at two ends.Host A carry out copy function time
Wait, first trigger clipbook update notification.Clipbook tunnel termination receives this notice, and transmission is cut
Pasting board is more newly requested to host B, after B receives this request, can be according to the form of request, and amendment is originally
Ground clipbook information, notes the most not transmitting the data of reality, after B clipbook information updating success
Response message can be sent to host A.Host B is carried out paste operation, then can trigger clipbook number
According to request, this request, through rdp agency service, is forwarded to host A, at this time host A need by
The clipboard data of actual storage is sent to host B with the form of protocol conventions, and host B receives number
According to updating local clipboard, now application program just can complete data by using local clipboard
Paste operation.In the flow process of whole clipbook described above, there is a key point, it is simply that A master
Machine obtains local clipboard real data, is given to B main frame through rdp agency service, real in the application
Existing clipbook up-downgoing controls, it is simply that complete by carrying out agreement in this process and inserting code.
Such as, after rdp agency service receives the clipboard data response that A main frame sends, by calling association
View analyzes module, is decoded the protocol data of this process. can find inside each respond packet after decoding
Will carry a status information, this information represents whether A main frame gets clipboard data, needs
Do is exactly the configuration according to up-downgoing parameter, decides whether to revise this state information field, passes through
This agency adds agreement and inserts the mode of code and just can realize the up-downgoing to clipbook and control.
In transmission control equipment one preferred embodiment of the application, described protocol resolution module 1, use
In the code stream of status information position described in protocol data bag is revised as status error information.Ratio
As, in rdp agreement, if 0 represents that state is normal, 2 represent status error, when needs are carried out
When being unidirectionally controlled, need that does exactly by 0, the status information of protocol data bag to be revised as 2 the most herein,
It is the most convenient to operate.
In transmission control equipment one preferred embodiment of the application, when described protocol data bag is hard disk
During the protocol data bag mapped, the described code stream location revision that described protocol resolution module 1 determines is magnetic
The position at dish numbering place.Here, controlled by the up-downgoing that hard disk is mapped, system i.e. can be improved
The safety of system, does not the most affect the normal use of system.Such as, in rdp agreement, Disk Mapping
Data be transmitted by proprietary tunnel.Although the related procedure of Disk Mapping and cliping and pasting
Plate is different, but by this rdp Proxy service mode, analyzes module by invocation protocol, solves
Separate out the corresponding data cell of Disk Mapping, it is also possible to realize its up-downgoing and control.
In transmission control equipment one preferred embodiment of the application, described protocol resolution module 1, use
Compile in the code stream of disk number position described in protocol data bag being revised as unrecognizable disk
Number.Concrete, during resolving Disk Mapping, it is found that the disk of mapping can divide in the protocol
Join fixing disk number id, this disk number id uniqueness identify one piece of disk.To this
The I/O operations such as the read-write of disk are all carried out by this id, so rdp agency service, are solving
After precipitation Disk Mapping reads and writes I/O accordingly, if there being the needs that up-downgoing controls, then need amendment
This id is No. id of a system nonrecognition, thus can realize the control of up-downgoing easily.
In sum, the application is by the protocol data bag during parsing O&M, by protocol data bag
In realize one-way transmission control code stream be revised as abnormal code stream, recognize exception code at target machine
During stream, this protocol data bag is abandoned and does not process, one-way transmission control can be realized, both solved data
The safety of transmission controls, and user can be facilitated again to carry out information technoloy equipment operation management.By the application,
Existing operation management system can be realized file, file, picture, text etc. are reflected by disk
Penetrate the control in any one direction of the data being transmitted with clipbook, and improve security of system
Remarkable result is created in property, motility.
Obviously, those skilled in the art the application can be carried out various change and modification without deviating from
Spirit and scope.So, if these amendments of the application and modification belong to the application power
Profit requires and within the scope of equivalent technologies, then the application is also intended to comprise these changes and modification exists
In.
It should be noted that the present invention can be carried out in the assembly of hardware at software and/or software, example
As, special IC (ASIC), general purpose computer or any other similar hardware can be used to set
For realizing.In one embodiment, the software program of the present invention can perform to realize by processor
Steps described above or function.Similarly, the software program (including the data structure being correlated with) of the present invention
Can be stored in computer readable recording medium storing program for performing, such as, RAM memory, magnetically or optically driver or
Floppy disc and similar devices.It addition, some steps of the present invention or function can employ hardware to realize, example
As, perform the circuit of each step or function as coordinating with processor.
It addition, the part of the present invention can be applied to computer program, such as computer journey
Sequence instructs, and when it is computer-executed, by the operation of this computer, can call or provide
The method according to the invention and/or technical scheme.And call the programmed instruction of the method for the present invention, can
Can be stored in fixing or movably in record medium, and/or by broadcasting or other signals hold
Carry the data stream in media and be transmitted, and/or be stored in the meter run according to described programmed instruction
Calculate in the working storage of machine equipment.Here, include a dress according to one embodiment of present invention
Putting, this device includes the memorizer for storing computer program instructions and for performing programmed instruction
Processor, wherein, when this computer program instructions is performed by this processor, trigger this device
Run methods based on aforementioned multiple embodiments according to the present invention and/or technical scheme.
It is obvious to a person skilled in the art that the invention is not restricted to the thin of above-mentioned one exemplary embodiment
Joint, and without departing from the spirit or essential characteristics of the present invention, it is possible to concrete with other
Form realizes the present invention.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary
, and be nonrestrictive, the scope of the present invention is limited by claims rather than described above
It is fixed, it is intended that all changes fallen in the implication of equivalency and scope of claim are included
In the present invention.Any reference in claim should not be considered as limit involved right want
Ask.Furthermore, it is to be understood that " an including " word is not excluded for other unit or step, odd number is not excluded for plural number.Dress
Multiple unit or the device of putting statement in claim can also be passed through software by a unit or device
Or hardware realizes.The first, the second word such as grade is used for representing title, and is not offered as any specific
Order.
Claims (12)
1. a transfer control method, wherein, the method includes:
The protocol data bag received from client during resolving O&M, determines in protocol data bag and realizes
The code stream location revision that one-way transmission controls；
When carrying out one-way transmission and controlling, it is revised as at code stream location revision described in protocol data bag
Abnormal code stream；
Amended protocol data bag is sent to target machine.
Method the most according to claim 1, wherein, when described protocol data bag is clipbook
During protocol data bag, described code stream location revision is the position at status information place.
Method the most according to claim 2, wherein, revises code stream described in protocol data bag
Abnormal code stream is revised as in position, including:
The code stream of status information position described in protocol data bag is revised as status error information.
Method the most according to claim 1, wherein, when described protocol data bag is that hard disk maps
Protocol data bag time, described code stream location revision is the position at disk number place.
Method the most according to claim 4, wherein, revises code stream described in protocol data bag
Abnormal code stream is revised as in position, including:
The code stream of disk number position described in protocol data bag is revised as unrecognizable disk
Numbering.
6. according to the method described in any one of claim 1 to 5, wherein, described protocol data bag is
Rdp protocol data bag.
7. a transmission control equipment, wherein, this equipment includes:
Protocol resolution module, the protocol data bag received from client during resolving O&M, really
Determine protocol data bag realizes the code stream location revision that one-way transmission controls；And when carrying out one-way transmission control
Time processed, at code stream location revision described in protocol data bag, it is revised as abnormal code stream；
Sending module, for being sent to target machine by amended protocol data bag.
Equipment the most according to claim 7, wherein, when described protocol data bag is clipbook
During protocol data bag, the described code stream location revision that described protocol resolution module determines is status information institute
Position.
Equipment the most according to claim 8, wherein, described protocol resolution module, for assisting
Described in view packet, the code stream of status information position is revised as status error information.
Equipment the most according to claim 7, wherein, when described protocol data bag is that hard disk reflects
During the protocol data bag penetrated, the described code stream location revision that described protocol resolution module determines is that disk is compiled
The position at number place.
11. equipment according to claim 10, wherein, described protocol resolution module, being used for will
Described in protocol data bag, the code stream of disk number position is revised as unrecognizable disk number.
12. according to the equipment described in claim 7 to 11, wherein, described protocol data bag is rdp
Protocol data bag.
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| CN201610169685.1A CN105871819B (en) | 2016-03-23 | 2016-03-23 | Transfer control method and equipment |
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| CN201610169685.1A CN105871819B (en) | 2016-03-23 | 2016-03-23 | Transfer control method and equipment |
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Cited By (5)
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| CN106713494A (en) * | 2017-01-23 | 2017-05-24 | 上海上讯信息技术股份有限公司 | Intelligent auditing method and device |
| CN110858837A (en) * | 2018-08-24 | 2020-03-03 | 阿里巴巴集团控股有限公司 | Network management and control method and device and electronic equipment |
| CN111967059A (en) * | 2020-08-11 | 2020-11-20 | 广东堡塔安全技术有限公司 | Website tamper-proofing method and system and computer readable storage medium |
| CN114301929A (en) * | 2021-12-10 | 2022-04-08 | 阿里巴巴（中国）有限公司 | Cloud clipboard data synchronization method and device, cloud server and system |
| CN115086308A (en) * | 2022-04-27 | 2022-09-20 | 上海上讯信息技术股份有限公司 | RDP-based data transmission control method and device |
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