CN112929379B - Intelligent recorder remote operation and maintenance instruction defense method and system - Google Patents

Abstract

The invention discloses a method and system for defending against remote operation and maintenance instructions of an intelligent wave recorder. The method includes: obtaining first operation and maintenance state information of a first remote wave recorder; and generating first verification code information according to the first operation and maintenance state information ;Obtain the second operation and maintenance state information of the second remote wave recorder; generate the second verification code according to the second operation and maintenance state information and the first verification code, and so on, obtain the Nth operation and maintenance of the Nth remote wave recorder Status information; generate the Nth verification code according to the Nth operation and maintenance status information and the N‑1th verification code; copy and save all the operation and maintenance status information and verification codes on M devices; obtain the verification code according to the corresponding verification code The corresponding remote operation and maintenance authority; according to the remote operation and maintenance authority, remote operation and maintenance instruction information is obtained. The invention solves the technical problem that the operation and maintenance instruction information in the working process of the intelligent wave recorder faces the risk of being tampered with and the work efficiency is not high, and can defend against network attacks that cause large-scale power outages.

Description

A remote operation and maintenance command defense method and system for an intelligent wave recorder

technical field

The invention relates to the technical field of intelligent operation and maintenance of wave recorders, in particular to a method and system for defending remote operation and maintenance instructions of intelligent wave recorders.

Background technique

Intelligent wave recorder is a device that integrates fault recording, network record analysis, secondary system visualization, and intelligent operation and maintenance functions. It can be applied to both smart substations and conventional substations. The intelligent wave recorder provides multi-dimensional visual information support, decision-making and safe operation basis for the daily operation and maintenance, abnormal handling, accident analysis and maintenance of the substation relay protection system, and is the most important carrier for the digital transformation of relay protection.

However, in the process of realizing the technical solution of the invention in the embodiment of the present application, the inventor of the present application found that the above-mentioned technology has at least the following technical problems:

During the working process of the intelligent wave recorder, the operation and maintenance instruction information received is facing the risk of being tampered with, resulting in low system defense capabilities, low work efficiency, and large-scale power outages may occur due to network attacks.

Contents of the invention

The technical problem to be solved by the present invention is to provide a remote operation and maintenance command defense method and system for an intelligent wave recorder, so as to improve the confidentiality of the operation and maintenance command information, enhance the system defense capability, and improve the working efficiency of the intelligent wave recorder.

In order to solve the above technical problems, an embodiment of the present invention provides a method for defending remote operation and maintenance commands of an intelligent wave recorder, including:

Step S1, the intelligent wave recording master station obtains the Nth operation and maintenance status information of the Nth remote wave recorder, and generates the Nth verification code according to the Nth operation and maintenance status information, and the Nth verification code is the same as the Nth One-to-one correspondence of operation and maintenance status information, N is a natural number greater than 1;

Step S2, copying and storing all operation and maintenance status information and verification codes on M devices, where M is a natural number greater than 1;

Step S3, according to the corresponding verification code, obtain the remote operation and maintenance authority corresponding to the verification code;

Step S4, according to the remote operation and maintenance authority, obtain the corresponding remote operation and maintenance instruction information.

Preferably, the remote operation and maintenance instruction defense method of the intelligent wave recorder also includes:

Step S51, the remote wave recorder obtains the IP address information of the intelligent wave recording master station that sends the remote operation and maintenance instruction information according to the remote operation and maintenance instruction information;

Step S52, judging whether the IP address information is in the pre-stored IP address library of the remote wave recorder;

Step S53, if the IP address information is not in the pre-stored IP address library, obtain the first defense instruction information;

Step S54, according to the first defense instruction information, the remote wave recorder refuses to execute the remote operation and maintenance instruction information sent by the intelligent wave recording master station.

Preferably, the step S52 also includes:

Step S521, if the IP address information is in the pre-stored IP address library, the remote wave recorder obtains information on the number of sending times of the remote operation and maintenance instruction information;

Step S522, the remote oscilloscope obtains a predetermined threshold of sending times;

Step S523, the remote wave recorder judges whether the sending frequency information of the remote operation and maintenance instruction information is within the preset sending frequency threshold;

Step S524, if the sending frequency information of the remote operation and maintenance instruction information is within the preset sending frequency threshold, obtain the first execution instruction information;

Step S525, execute the remote operation and maintenance instruction information according to the first execution instruction information.

Preferably, after the step S53 obtains the first defense instruction information, it includes:

Step S531, obtaining first masking instruction information;

Step S532, shielding the IP address information according to the first shielding instruction information;

Step S533, obtaining first tag information;

Step S534, mark the IP address information according to the first mark information.

Preferably, the remote operation and maintenance instruction defense method of the intelligent wave recorder also includes:

Step S61, obtaining first monitoring information;

Step S62, obtaining first encoding instruction information;

Step S63, encoding the first monitoring information according to the first encoding instruction information to obtain first encrypted monitoring information;

Step S64, obtaining the first decoding instruction information;

Step S65, decoding and reading the first encrypted monitoring information according to the first decoding instruction information.

Preferably, before sending the operation and maintenance instruction to the remote recorder, it also includes:

Step S71, obtaining first query instruction information;

Step S72, according to the first query instruction information, search whether the first operation and maintenance status information exists in the first monitoring information;

Step S73, if the first operation and maintenance status information is found in the first monitoring information, obtain the first operation and maintenance status information of the first remote recorder.

Preferably, before sending the operation and maintenance instruction to the first remote recorder, it also includes:

Step S74, if the first operation and maintenance status information is not found in the first monitoring information, obtain first interception instruction information;

Step S75, intercepting the first operation and maintenance status information according to the first interception instruction information.

The present invention also provides an intelligent wave recorder remote operation and maintenance command defense system, including:

A first obtaining unit, the first obtaining unit is used to obtain the first operation and maintenance status information of the first remote recorder;

A first generation unit, the first generation unit is configured to generate first verification code information according to the first operation and maintenance state information, and the first verification code corresponds to the first operation and maintenance state information one by one;

A second obtaining unit, the second obtaining unit is used to obtain the second operation and maintenance status information of the second remote recorder;

A second generating unit, the second generating unit is used to generate a second verification code according to the second operation and maintenance status information and the first verification code, and so on, to obtain the Nth operation and maintenance status of the Nth remote wave recorder information;

A third generating unit, the third generating unit is configured to generate an Nth verification code according to the Nth operation and maintenance status information and the N-1th verification code, where N is a natural number greater than 1;

A first storage unit, the first storage unit is used to copy and store all operation and maintenance status information and verification codes on M devices, wherein M is a natural number greater than 1;

A third obtaining unit, the third obtaining unit is used to obtain the remote operation and maintenance authority corresponding to the verification code according to the corresponding verification code;

A fourth obtaining unit, the fourth obtaining unit is configured to obtain remote operation and maintenance instruction information according to the remote operation and maintenance authority.

Preferably, the remote operation and maintenance instruction defense system of the intelligent wave recorder also includes:

A fifth obtaining unit, the fifth obtaining unit is used to obtain the IP address information of the intelligent wave recording master station according to the remote operation and maintenance instruction information;

A sixth obtaining unit, the sixth obtaining unit is used to obtain the pre-stored IP address library of the remote recorder;

a first judging unit, the first judging unit is used to judge whether the IP address information is in the pre-stored IP address library;

A seventh obtaining unit, the seventh obtaining unit is configured to obtain the first defense instruction information if the IP address information is not in the pre-stored IP address library;

A first prohibition unit, the first prohibition unit is configured to refuse to execute the remote operation and maintenance instruction information by the remote recorder according to the first defense instruction information.

The present invention also provides a remote operation and maintenance instruction defense system for an intelligent wave recorder, including: a memory, a processor, and a computer program stored on the memory and operable on the processor, and the processor implements the program when executing the program. The above-mentioned intelligent wave recorder remote operation and maintenance command defense method.

The beneficial effect of the embodiment of the present invention is that: by encrypting and storing the operation and maintenance state information detected by the intelligent wave recording master station in a distributed shared ledger and database, the storage security of the operation and maintenance state information is ensured, and the operation and maintenance state information is ensured security, and the verification code generated by it can only send operation and maintenance instructions to the remote wave recorder after the verification is passed, thereby improving the confidentiality and system defense capabilities of the operation and maintenance process, and achieving the goal of improving the work of the smart wave recorder Efficiency technical effects;

By confirming whether the IP address of the intelligent wave recording master station is in the pre-stored IP address database, marking and shielding the non-existent IP address information, preventing hackers from falsely using the intelligent wave recording master station to connect to the remote wave recorder, and avoiding subsequent occurrences Hidden dangers of information security. At the same time, by limiting the number of remote operation and maintenance instructions to send information and monitoring the operation and maintenance status information, etc., it can improve the defense ability of the intelligent wave recorder in the working process, avoid the remote operation and maintenance system from being attacked, and improve the intelligence. The technical effect of the remote operation and maintenance work efficiency of the wave recorder.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a schematic flowchart of a method for defending remote operation and maintenance instructions of an intelligent wave recorder according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an intelligent wave recorder remote operation and maintenance command defense system according to Embodiment 2 of the present invention.

Fig. 3 is a schematic structural diagram of an exemplary electronic device in an embodiment of the present invention.

Detailed ways

The following descriptions of various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present invention can be implemented.

Please refer to Figure 1. Embodiment 1 of the present invention provides a method for defending against remote operation and maintenance instructions of an intelligent wave recorder, including:

Step S1, the intelligent wave recording master station obtains the Nth operation and maintenance status information of the Nth remote wave recorder, and generates the Nth verification code according to the Nth operation and maintenance status information, and the Nth verification code is the same as the Nth One-to-one correspondence of operation and maintenance status information, N is a natural number greater than 1;

Step S2, copying and storing all operation and maintenance status information and verification codes on M devices, where M is a natural number greater than 1;

Step S3, according to the corresponding verification code, obtain the remote operation and maintenance authority corresponding to the verification code;

Step S4, according to the remote operation and maintenance authority, obtain the corresponding remote operation and maintenance instruction information.

Specifically, in step S1, the intelligent wave recording master station obtains the first operation and maintenance state information of the first remote wave recorder, and generates first verification code information according to the first operation and maintenance state information, wherein the first The verification code is in one-to-one correspondence with the first operation and maintenance state information; the intelligent wave recording master station obtains the second operation and maintenance state information of the second remote wave recorder; according to the second operation and maintenance state information and the first verification code to generate the second verification code, and so on, the intelligent wave recording master station obtains the Nth operation and maintenance status information of the Nth remote wave recorder; according to the Nth operation and maintenance status information and the N-1th verification code, the Nth Verification code, wherein, N is a natural number greater than 1. The first operation and maintenance state information is the operation and maintenance state information of the first remote wave recorder detected by the intelligent wave recording master station, and the operation and maintenance state information can be the data during the operation of the first remote wave recorder, or is the fault information collected by it. The first verification code has a one-to-one correspondence with the first operation and maintenance state information. Further, the first operation and maintenance state information is encrypted and calculated with a hash function to obtain an unchangeable unique corresponding to the first operation and maintenance state information. The first verification code, the first verification code may be considered as the unique identity information corresponding to the first operation and maintenance state information.

Similarly, associating the second operation and maintenance status information with the first verification code, performing hash function encryption on the second operation and maintenance status information and the first verification code as a whole, to obtain a second verification code , the second verification code is in one-to-one correspondence with the second operation and maintenance status information, and so on, according to the Nth operation and maintenance status information and the N-1th verification code to generate the Nth verification code, by The operation and maintenance status information is encrypted to ensure the security of the operation and maintenance status information, thereby achieving the technical effect of improving the security of the operation and maintenance status information.

In step S2, the operation and maintenance status information and verification code information are copied and stored on M electronic devices, wherein the electronic devices are devices that have storage capabilities and can quickly and accurately record the information, and store the data in On M electronic devices.

In step S3, after encrypting all the operation and maintenance status information, the corresponding verification code can be obtained, and according to the corresponding verification code, the remote operation and maintenance authority corresponding to the verification code is obtained.

In step S4, after storing the verification code generated by the distributed encrypted storage as the verification authority, the corresponding operation and maintenance instruction can be sent to the corresponding remote wave recorder, and the remote operation and maintenance instruction information is based on the information provided by the operator of the master station. The command information sent by the remote operation and maintenance authority is used to process the operation and maintenance status information.

In order to ensure the security of the IP address of the intelligent wave recording master station sending the operation and maintenance instructions, this embodiment also includes:

Step S51, the remote wave recorder obtains the IP address information of the intelligent wave recording master station that sends the remote operation and maintenance instruction information according to the remote operation and maintenance instruction information;

Step S52, judging whether the IP address information is in the pre-stored IP address library of the remote wave recorder;

Step S53, if the IP address information is not in the pre-stored IP address library, obtain the first defense instruction information;

Step S54, according to the first defense instruction information, the remote wave recorder refuses to execute the remote operation and maintenance instruction information sent by the intelligent wave recording master station.

Specifically, in order to ensure the security of the IP address sending the operation and maintenance instruction, the IP address information of the intelligent wave recording master station can be obtained according to the remote operation and maintenance instruction information. The IP address is a unified address format provided by the IP protocol. It assigns a logical address to each network and each host on the Internet to shield the difference in physical addresses. According to the pre-stored IP address stored in the remote recorder Address library, the pre-stored IP address library is an existing and correct operation and maintenance IP address library that stores the IP address of the intelligent wave recording master station, by judging whether the IP address information is in the pre-stored IP address library, if the The above IP address information is not in the pre-stored IP address database, there may be unsafe risks and hidden dangers, that is, the intelligent wave recording information may be malicious code sent by hackers pretending to be the intelligent wave recording master station, and the remote wave recorder obtains the first defense Instruction information, the remote wave recorder refuses to execute the remote operation and maintenance instruction information sent by the intelligent wave recording master station according to the first defense instruction information.

In order to improve the efficiency and security of the remote operation and maintenance of the intelligent wave recorder, step S52 also includes:

Step S521, if the IP address information is in the pre-stored IP address library, the remote wave recorder obtains information on the number of sending times of the remote operation and maintenance instruction information;

Step S522, the remote oscilloscope obtains a predetermined threshold of sending times;

Step S523, the remote wave recorder judges whether the sending frequency information of the remote operation and maintenance instruction information is within the preset sending frequency threshold;

Step S524, if the sending frequency information of the remote operation and maintenance instruction information is within the preset sending frequency threshold, obtain the first execution instruction information;

Step S525, execute the remote operation and maintenance instruction information according to the first execution instruction information.

Specifically, in order to improve the efficiency and security of the remote operation and maintenance of the intelligent wave recorder, and avoid repeated remote operation and maintenance instructions from the intelligent wave recorder master station, the number of times the remote operation and maintenance instruction information can be sent can be limited to avoid repeated sending. Then if the IP address information is in the pre-stored IP address library, obtain the sending times information of the remote operation and maintenance instruction information, and the sending times of the remote operation and maintenance instruction information is the actual sending times of the intelligent wave recording master station Information, and then obtain the threshold value of the scheduled number of times of sending, the threshold of the number of times of scheduled sending is the limit value of the number of times of scheduled sending, it can be understood that the threshold of the number of times of scheduled sending is not equal to three times, and then determine the number of times of sending the remote operation and maintenance instruction information Whether the information is within the predetermined sending times threshold, that is, whether the sending times information of the remote operation and maintenance instruction information is within three times, if the sending times information of the remote operation and maintenance instruction information is within the predetermined sending times threshold In order to obtain the first execution instruction information, the first execution instruction is to feed back and execute the remote operation and maintenance instruction information, so as to avoid repeated sending of repeated remote operation and maintenance instruction information and improve the remote operation and maintenance of the intelligent wave recorder The technical effect of efficiency.

After step S53 obtains the first defense instruction information, it includes:

Step S531, obtaining first masking instruction information;

Step S532, shielding the IP address information according to the first shielding instruction information;

Step S533, obtaining first tag information;

Step S534, mark the IP address information according to the first mark information.

By confirming whether the IP address of the intelligent wave recording master station is in the pre-stored IP address database, marking and shielding the non-existent IP address information, preventing hackers from falsely using the intelligent wave recording master station to connect to the remote wave recorder, and avoiding subsequent occurrences Information security risks.

In order to ensure safe and reliable monitoring of operation and maintenance status information, this embodiment also includes:

Step S61, obtaining first monitoring information;

Step S62, obtaining first encoding instruction information;

Step S63, encoding the first monitoring information according to the first encoding instruction information to obtain first encrypted monitoring information;

Step S64, obtaining the first decoding instruction information;

Step S65, decoding and reading the first encrypted monitoring information according to the first decoding instruction information.

Specifically, the operation and maintenance status information can be safely monitored to ensure whether the operation and maintenance status information has been tampered with after being checked and verified, and the first monitoring information can be obtained. The first monitoring information is the security monitoring of the operation and maintenance status information ; Obtain first encoding instruction information, the first encoding instruction information is to encode the first monitoring information to ensure the security of the monitoring information, and perform the first encoding instruction information on the first monitoring information according to the first encoding instruction information Encoding, to obtain the first encrypted monitoring information, the first encrypted monitoring information is the monitoring information after encoding and encrypting the first monitoring information; and then obtain the first decoding instruction information, the first decoding instruction information is the The first encrypted monitoring information is decoded. Decoding and encoding are two corresponding processes, and the first encrypted monitoring information is decoded and read according to the first decoding instruction information, and finally the operation and maintenance status information is verified. Effectively, the technical effect of ensuring safe and reliable monitoring of operation and maintenance status information is achieved.

Before sending the operation and maintenance instruction to the remote wave recorder, this embodiment also includes:

Step S71, obtaining first query instruction information;

Step S72, according to the first query instruction information, search whether the first operation and maintenance status information exists in the first monitoring information;

Step S73, if the first operation and maintenance status information is found in the first monitoring information, obtain the first operation and maintenance status information of the first remote recorder.

Specifically, the first query instruction information is to query the operation and maintenance status information of the first remote recorder before sending the operation and maintenance command to the first remote recorder after obtaining the first operation and maintenance status information of the first remote recorder , and according to the first query instruction information, check whether the first operation and maintenance status information exists in the first monitoring information, that is, confirm whether the operation and maintenance status information actually exists, if the first monitoring information finds When the first operation and maintenance status information is obtained, it means that the first operation and maintenance status information actually occurs, then the first operation and maintenance status information of the first remote wave recorder is obtained, and the first operation and maintenance status information is further recorded and sending, to ensure that the first operation and maintenance status information actually exists, and to avoid the problem of incorrect information sent by remote wave recording.

Before sending the operation and maintenance instruction to the first remote wave recorder, this embodiment also includes:

Step S74, if the first operation and maintenance status information is not found in the first monitoring information, obtain first interception instruction information;

Step S75, intercepting the first operation and maintenance status information according to the first interception instruction information.

Specifically, when searching whether the first operation and maintenance status information exists in the first monitoring information, if the first operation and maintenance status information is not found in the first monitoring information, then the first If the operation and maintenance status information does not exist, the first interception instruction information is obtained, and the first operation and maintenance status information is intercepted according to the first interception instruction information. By intercepting non-existing operation and maintenance status information, the technical effect of avoiding recording invalid operation and maintenance status information is achieved.

Based on the same inventive concept as the above-mentioned embodiment of the present invention - a remote operation and maintenance command defense method for an intelligent wave recorder, Embodiment 2 of the present invention provides a remote operation and maintenance command defense system for an intelligent wave recorder, as shown in FIG. 2 . The systems described include:

A first obtaining unit 11, the first obtaining unit 11 is used to obtain the first operation and maintenance status information of the first remote recorder;

A first generation unit 12, the first generation unit 12 is configured to generate first verification code information according to the first operation and maintenance state information, and the first verification code corresponds to the first operation and maintenance state information one by one ;

A second obtaining unit 13, the second obtaining unit 13 is used to obtain the second operation and maintenance state information of the second remote recorder;

The second generation unit 14, the second generation unit 14 is used to generate a second verification code according to the second operation and maintenance status information and the first verification code, and so on, to obtain the Nth operation of the Nth remote wave recorder dimension status information;

A third generation unit 15, the third generation unit 15 is configured to generate the Nth verification code according to the Nth operation and maintenance status information and the N-1th verification code, where N is a natural number greater than 1;

The first storage unit 16, the first storage unit 16 is used to copy and store all the operation and maintenance status information and verification codes on M devices, wherein M is a natural number greater than 1;

A third obtaining unit 17, the third obtaining unit 17 is used to obtain the remote operation and maintenance authority corresponding to the verification code according to the corresponding verification code;

A fourth obtaining unit 18, the fourth obtaining unit 18 is configured to obtain remote operation and maintenance instruction information according to the remote operation and maintenance authority.

Further, the system also includes:

A fifth obtaining unit, the fifth obtaining unit is used to obtain the IP address information of the intelligent wave recording master station according to the remote operation and maintenance instruction information;

A sixth obtaining unit, the sixth obtaining unit is used to obtain the pre-stored IP address library of the remote recorder;

a first judging unit, the first judging unit is used to judge whether the IP address information is in the pre-stored IP address library;

A seventh obtaining unit, the seventh obtaining unit is configured to obtain the first defense instruction information if the IP address information is not in the pre-stored IP address library;

A first prohibition unit, the first prohibition unit is configured to refuse to execute the remote operation and maintenance instruction information by the remote recorder according to the first defense instruction information.

Further, the system also includes:

An eighth obtaining unit, the eighth obtaining unit is used to obtain the first masking instruction information;

a first shielding unit, configured to shield the IP address information according to the first shielding instruction information;

A ninth obtaining unit, the ninth obtaining unit is used to obtain the first tag information;

A first marking unit, configured to mark the IP address information according to the first marking information.

Further, the system also includes:

A tenth obtaining unit, the tenth obtaining unit is used to obtain the sending frequency information of the obtained remote operation and maintenance instruction information if the IP address information is stored in the master station's pre-stored IP address library;

an eleventh obtaining unit, the eleventh obtaining unit is used to obtain a predetermined number of sending times threshold;

A second judging unit, the second judging unit is used to judge whether the number of sending times information of the remote operation and maintenance instruction information is within the predetermined sending times threshold;

A twelfth obtaining unit, the twelfth obtaining unit is configured to obtain the first execution instruction information if the sending times information of the remote operation and maintenance instruction information is within the predetermined sending times threshold;

A first execution unit, configured to execute the remote operation and maintenance instruction information according to the first execution instruction information.

Further, the system also includes:

A thirteenth obtaining unit, the thirteenth obtaining unit is used to obtain the first monitoring information;

A fourteenth obtaining unit, the fourteenth obtaining unit is used to obtain the first encoded instruction information;

A fifteenth obtaining unit, the fifteenth obtaining unit is configured to encode the first monitoring information according to the first encoding instruction information to obtain first encrypted monitoring information;

A sixteenth obtaining unit, the sixteenth obtaining unit is used to obtain the first decoding instruction information;

A first decoding unit, configured to decode and read the first encrypted monitoring information according to the first decoding instruction information.

Further, the system also includes:

A seventeenth obtaining unit, the seventeenth obtaining unit is used to obtain the first query instruction information;

A first search unit, the first search unit is configured to search whether the first operation and maintenance status information exists in the first monitoring information according to the first query instruction information;

An eighteenth obtaining unit, the eighteenth obtaining unit is configured to obtain the first operation and maintenance status information of the first remote recorder if the first operation and maintenance status information is found in the first monitoring information.

Further, the system also includes:

A nineteenth obtaining unit, the nineteenth obtaining unit is configured to obtain first interception instruction information if the first operation and maintenance status information is not found in the first monitoring information;

A first interception unit, configured to intercept the first operation and maintenance status information according to the first interception instruction information.

The various variations and specific examples of the above-mentioned embodiment of the present invention-a remote operation and maintenance command defense method for an intelligent wave recorder are also applicable to an intelligent wave recorder remote operation and maintenance command defense system in this embodiment. For the detailed description of the remote operation and maintenance command defense method of the intelligent wave recorder, those skilled in the art can clearly know the implementation mode of the remote operation and maintenance command defense system of the intelligent wave recorder in this embodiment, so for the sake of brevity of the description, it will not be repeated again detail.

The electronic device according to the embodiment of the present application is described below with reference to FIG. 3 . FIG. 3 shows the structure of an electronic device according to an embodiment of the present invention.

Based on the inventive concept of the aforementioned embodiment of the present invention—a method for defending remote operation and maintenance instructions of an intelligent wave recorder, Embodiment 3 of the present invention also provides a defense system for remote operation and maintenance instructions of an intelligent wave recorder, on which a computer program is stored. When the program is executed by the processor, the method for defending against remote operation and maintenance instructions of an intelligent wave recorder as described in Embodiment 1 of the present invention is implemented.

Wherein, in FIG. 3, the bus architecture (represented by bus 300), bus 300 may include any number of interconnected buses and bridges, and bus 300 will include one or more processors represented by processor 302 and memory 304. The various circuits of the memory are linked together. The bus 300 can also link various other circuits together, such as peripheral devices, voltage regulators and power management circuits, etc., which are well known in the art, and thus will not be further described in this embodiment. The bus interface 306 provides an interface between the bus 300 and the receiver 301 and the transmitter 303 . Receiver 301 and transmitter 303 may be the same element, a transceiver, providing means for communicating with various other devices over a transmission medium.

Processor 302 is responsible for managing bus 300 and general processing, while memory 304 may be used to store data used by processor 302 in performing operations.

The various variations and specific examples of the aforementioned embodiment of the present invention-a smart wave recorder network security management method are also applicable to a smart wave recorder network security management system in this embodiment. For the detailed description of the network security management method of the oscilloscope, those skilled in the art can clearly know the implementation mode of an intelligent oscilloscope network security management system in this embodiment, so for the sake of brevity of the description, no detailed description is given here.

It can be seen from the above that, compared with the prior art, the beneficial effect brought by the embodiment of the present invention lies in: by encrypting and storing the operation and maintenance status information detected by the intelligent wave recording master station in a distributed shared ledger and database, ensuring the The storage security of the maintenance status information ensures the security of the operation and maintenance status information, and the verification code generated by it can only send operation and maintenance instructions to the remote recorder after the verification is passed, thereby improving the confidentiality of the operation and maintenance process and system defense capabilities, achieving the technical effect of improving the working efficiency of the intelligent wave recorder;

By confirming whether the IP address of the intelligent wave recording master station is in the pre-stored IP address database, marking and shielding the non-existent IP address information, preventing hackers from falsely using the intelligent wave recording master station to connect to the remote wave recorder, and avoiding subsequent occurrences Hidden dangers of information security. At the same time, by limiting the number of remote operation and maintenance instructions to send information and monitoring the operation and maintenance status information, etc., it can improve the defense ability of the intelligent wave recorder in the working process, avoid the remote operation and maintenance system from being attacked, and improve the intelligence. The technical effect of the remote operation and maintenance work efficiency of the wave recorder.

The above disclosures are only preferred embodiments of the present invention, and certainly cannot limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.

Claims (4)

1. A method for defending against remote operation and maintenance instructions of an intelligent wave recorder, characterized in that it comprises: Step S1, the intelligent wave recording master station obtains the Nth operation and maintenance status information of the Nth remote wave recorder, and generates the Nth verification code according to the Nth operation and maintenance status information, and the Nth verification code is the same as the Nth One-to-one correspondence of operation and maintenance status information, N is a natural number greater than 1; Step S2, copying and storing all operation and maintenance status information and verification codes on M devices, where M is a natural number greater than 1; Step S3, according to the corresponding verification code, obtain the remote operation and maintenance authority corresponding to the verification code; Step S4, according to the remote operation and maintenance authority, obtain the corresponding remote operation and maintenance instruction information; Step S51, the remote wave recorder obtains the IP address information of the intelligent wave recording master station that sends the remote operation and maintenance instruction information according to the remote operation and maintenance instruction information; Step S52, judging whether the IP address information is in the pre-stored IP address library of the remote wave recorder; Step S53, if the IP address information is not in the pre-stored IP address library, obtain the first defense instruction information; Step S54, according to the first defense instruction information, the remote wave recorder refuses to execute the remote operation and maintenance instruction information sent by the intelligent wave recording master station; The step S52 also includes: Step S521, if the IP address information is in the pre-stored IP address library, the remote wave recorder obtains information on the number of sending times of the remote operation and maintenance instruction information; Step S522, the remote oscilloscope obtains a predetermined threshold of sending times; Step S523, the remote wave recorder judges whether the sending frequency information of the remote operation and maintenance instruction information is within the preset sending frequency threshold; Step S524, if the sending frequency information of the remote operation and maintenance instruction information is within the preset sending frequency threshold, obtain the first execution instruction information; Step S525, executing the remote operation and maintenance instruction information according to the first execution instruction information; Step S61, obtaining first monitoring information; Step S62, obtaining first encoding instruction information; Step S63, encoding the first monitoring information according to the first encoding instruction information to obtain first encrypted monitoring information; Step S64, obtaining the first decoding instruction information; Step S65, decoding and reading the first encrypted monitoring information according to the first decoding instruction information; Before sending the operation and maintenance instruction to the remote recorder, it also includes: Step S71, obtaining first query instruction information; Step S72, according to the first query instruction information, search whether the first operation and maintenance status information exists in the first monitoring information; Step S73, if the first operation and maintenance status information is found in the first monitoring information, obtain the first operation and maintenance status information of the first remote recorder; Before sending the operation and maintenance instruction to the first remote recorder, it also includes: Step S74, if the first operation and maintenance status information is not found in the first monitoring information, obtain first interception instruction information; Step S75, intercepting the first operation and maintenance status information according to the first interception instruction information. 2. The intelligent wave recorder remote operation and maintenance command defense method according to claim 1, characterized in that, after the step S53 obtains the first defense command information, it includes: Step S531, obtaining first masking instruction information; Step S532, shielding the IP address information according to the first shielding instruction information; Step S533, obtaining first tag information; Step S534, mark the IP address information according to the first mark information. 3. A remote operation and maintenance command defense system for an intelligent wave recorder, characterized in that it comprises: A first obtaining unit, the first obtaining unit is used to obtain the first operation and maintenance status information of the first remote recorder; A first generation unit, the first generation unit is configured to generate first verification code information according to the first operation and maintenance state information, and the first verification code corresponds to the first operation and maintenance state information one by one; A second obtaining unit, the second obtaining unit is used to obtain the second operation and maintenance status information of the second remote recorder; A second generating unit, the second generating unit is used to generate a second verification code according to the second operation and maintenance status information and the first verification code, and so on, to obtain the Nth operation and maintenance status of the Nth remote wave recorder information; A third generating unit, the third generating unit is configured to generate an Nth verification code according to the Nth operation and maintenance status information and the N-1th verification code, where N is a natural number greater than 1; A first storage unit, the first storage unit is used to copy and store all operation and maintenance status information and verification codes on M devices, wherein M is a natural number greater than 1; A third obtaining unit, the third obtaining unit is used to obtain the remote operation and maintenance authority corresponding to the verification code according to the corresponding verification code; A fourth obtaining unit, the fourth obtaining unit is used to obtain remote operation and maintenance instruction information according to the remote operation and maintenance authority; A fifth obtaining unit, the fifth obtaining unit is used to obtain the IP address information of the intelligent wave recording master station according to the remote operation and maintenance instruction information; A sixth obtaining unit, the sixth obtaining unit is used to obtain the pre-stored IP address library of the remote recorder; a first judging unit, the first judging unit is used to judge whether the IP address information is in the pre-stored IP address library; A seventh obtaining unit, the seventh obtaining unit is configured to obtain the first defense instruction information if the IP address information is not in the pre-stored IP address library; A first prohibition unit, the first prohibition unit is used for the remote recorder to refuse to execute the remote operation and maintenance instruction information according to the first defense instruction information; A tenth obtaining unit, the tenth obtaining unit is used to obtain the sending frequency information of the obtained remote operation and maintenance instruction information if the IP address information is stored in the master station's pre-stored IP address library; an eleventh obtaining unit, the eleventh obtaining unit is used to obtain a predetermined number of sending times threshold; A second judging unit, the second judging unit is used to judge whether the number of sending times information of the remote operation and maintenance instruction information is within the predetermined sending times threshold; A twelfth obtaining unit, the twelfth obtaining unit is configured to obtain the first execution instruction information if the sending times information of the remote operation and maintenance instruction information is within the predetermined sending times threshold; a first execution unit, configured to execute the remote operation and maintenance instruction information according to the first execution instruction information; A thirteenth obtaining unit, the thirteenth obtaining unit is used to obtain the first monitoring information; A fourteenth obtaining unit, the fourteenth obtaining unit is used to obtain the first encoded instruction information; A fifteenth obtaining unit, the fifteenth obtaining unit is configured to encode the first monitoring information according to the first encoding instruction information to obtain first encrypted monitoring information; A sixteenth obtaining unit, the sixteenth obtaining unit is used to obtain the first decoding instruction information; A first decoding unit, configured to decode and read the first encrypted monitoring information according to the first decoding instruction information; Further, the system also includes: A seventeenth obtaining unit, the seventeenth obtaining unit is used to obtain the first query instruction information; A first search unit, the first search unit is configured to search whether the first operation and maintenance status information exists in the first monitoring information according to the first query instruction information; An eighteenth obtaining unit, the eighteenth obtaining unit is configured to obtain the first operation and maintenance status information of the first remote recorder if the first operation and maintenance status information is found in the first monitoring information; Further, the system also includes: A nineteenth obtaining unit, the nineteenth obtaining unit is configured to obtain first interception instruction information if the first operation and maintenance status information is not found in the first monitoring information; A first interception unit, configured to intercept the first operation and maintenance status information according to the first interception instruction information. 4. An intelligent wave recorder remote operation and maintenance instruction defense system is characterized in that it includes: a memory, a processor and a computer program stored on the memory and operable on the processor, when the processor executes the program Realize the intelligent wave recorder remote operation and maintenance command defense method as described in any one of claims 1-2.

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