CN110505236B - Identification method and system of digital signage device - Google Patents
Identification method and system of digital signage device Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 39
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- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
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- 238000011161 development Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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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
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
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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
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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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
- H04L67/08—Protocols specially adapted for terminal emulation, e.g. Telnet
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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
- H04L67/535—Tracking the activity of the user
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Abstract
本发明提供了一种数字标牌装置的识别方法与系统，涉及数字标牌的技术领域，包括：接收待检测目标的特征信息；将特征信息输入至扫描工具，并基于特征信息，利用扫描工具扫描待检测目标的端口，得到端口的扫描结果，其中，扫描结果包括端口的返回包和端口存活状态；若端口存活状态为端口存活，则利用返回包判断端口是否存在远程控制协议；若端口存在远程控制协议，则载入预配置的密码字典中与端口对应的密码，并利用密码登录待检测目标；若登录成功，则确定待检测目标为数字标牌装置。本发明结合端口扫描和密码验证可以提高数字标牌装置识别的准确率，进而快速提高管理者的效率。
The invention provides a method and system for identifying a digital signage device, which relates to the technical field of digital signage, and includes: receiving characteristic information of a target to be detected; inputting the characteristic information into a scanning tool, and based on the characteristic information, using the scanning tool to scan the target to be detected Detect the port of the target, and obtain the scanning result of the port, wherein the scanning result includes the return packet of the port and the port survival status; if the port survival status is the port alive, the return packet is used to determine whether the port has a remote control protocol; if the port has a remote control protocol protocol, load the password corresponding to the port in the preconfigured password dictionary, and use the password to log in the target to be detected; if the login is successful, it is determined that the target to be detected is a digital signage device. The invention can improve the identification accuracy of the digital signage device by combining port scanning and password verification, thereby rapidly improving the efficiency of managers.
Description
Technical Field
The invention relates to the technical field of digital signage, in particular to a method and a system for identifying a digital signage device.
Background
The digital signage apparatus may refer to a multimedia professional audiovisual system that distributes business, financial and entertainment information through a large-screen terminal display device in a large mall, a supermarket, a hotel lobby, a restaurant, a cinema and other public places where people flow is converged.
The identification of the present digital label device is realized by means of manual statistics and online port scanning, the manual statistics has the problems of tedious statistical work, large workload, inaccuracy and the like, and the port scanning mode has the problems of higher false alarm rate and limited identification range.
Disclosure of Invention
The invention aims to provide a method and a system for identifying a digital signage device, which can improve the identification accuracy of the digital signage device and reduce the false alarm rate.
The invention provides an identification method of a digital signboard device, which is applied to a terminal and comprises the following steps: receiving characteristic information of a target to be detected; inputting the characteristic information into a scanning tool, and scanning the port of the target to be detected by using the scanning tool based on the characteristic information to obtain a scanning result of the port, wherein the scanning result comprises a return packet of the port and a port survival state; if the port survival state is port survival, judging whether a remote control protocol exists in the port by using the return packet; if the port has a remote control protocol, loading a password corresponding to the port in a pre-configured password dictionary, and logging in the target to be detected by using the password; and if the login is successful, determining that the target to be detected is the digital signage device.
Further, after determining that the object to be detected is a digital signage device, the method further comprises: and carrying out screen capture operation on the interface which is successfully logged in to generate a screen capture of the digital signage device, wherein the screen capture is kept in a preset picture library so as to facilitate manual quick verification.
Further, after obtaining the scanning result of the port, the method further includes: and if the port survival state is that the port is not alive, scanning the next port of the target to be detected by using the scanning tool to obtain the scanning result of the next port.
Further, after determining whether a remote control protocol exists in the port by using the return packet, the method further includes: and if the port does not have a remote control protocol, recording the scanning result.
Further, the feature information includes an IP address or a network segment.
Further, the remote control protocol includes any one of the following: RFB protocol, VNC protocol, RDP protocol.
The invention provides an identification system of a digital signboard device, which is applied to a terminal and comprises the following components: the receiving module is used for receiving the characteristic information of the target to be detected; the scanning module is used for inputting the characteristic information into a scanning tool, and scanning the port of the target to be detected by using the scanning tool based on the characteristic information to obtain a scanning result of the port, wherein the scanning result comprises a return packet of the port and a port survival state; the judging module is used for judging whether the port has a remote control protocol or not by using the return packet if the port survival state is port survival; the login module is used for loading a password corresponding to the port in a pre-configured password dictionary and logging in the target to be detected by using the password if the port has a remote control protocol; and the determining module is used for determining that the target to be detected is the digital signage device if the login is successful.
Further, the system further comprises: and the screen capture module is used for carrying out screen capture operation on the interface which is successfully logged in to generate a screen capture of the digital signage device, and the screen capture is reserved in a preset picture library so as to facilitate manual quick verification.
Further, the system further comprises: and the recording module is used for recording the scanning result if the port does not have a remote control protocol.
The invention also provides an electronic device comprising a memory and a processor, wherein the memory stores a computer program which can run on the processor, and the processor implements the method when executing the computer program.
The invention provides a method and a system for identifying a digital signboard device, which comprises the steps of firstly receiving characteristic information of a target to be detected; inputting the characteristic information into a scanning tool, and scanning a port of a target to be detected by using the scanning tool based on the characteristic information to obtain a scanning result of the port, wherein the scanning result comprises a return packet of the port and a port survival state; if the port survival state is port survival, judging whether a remote control protocol exists in the port by using a return packet; if the port has the remote control protocol, loading a password corresponding to the port in a pre-configured password dictionary, and logging in the target to be detected by using the password; and if the login is successful, determining that the target to be detected is the digital signage device. The invention scans the surviving port of the target to be detected by using the scanning tool, then determines that the surviving port has the remote control protocol, finally verifies the target to be detected as the digital signage device by using the password dictionary, and can improve the identification accuracy of the digital signage device by combining port scanning and password verification so as to quickly improve the efficiency of a manager.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flowchart of an identification method of a digital signage apparatus according to an embodiment of the present invention;
FIG. 2 is a flow chart of another identification method for a digital signage apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an identification system of a digital signage apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an identification system of a digital signage apparatus according to an embodiment of the present invention.
Icon:
11-a receiving module; 12-a scanning module; 13-a judgment module; 14-a login module; 15-a determination module; 16-a screen capture module; 17-recording module.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
With the continuous development of modern technologies, the application of digital display technology will be ubiquitous. With the rapid development of digital signage devices in various industries, management and security issues of digital signage devices in city management are becoming more and more prominent.
The identification of the present digital label device is realized by means of manual statistics and online port scanning, the manual statistics has the problems of tedious statistical work, large workload, inaccuracy and the like, and the port scanning mode has the problems of higher false alarm rate and limited identification range. Based on this, the embodiments of the present invention provide a method and a system for recognizing a digital signage device, which may scan a port where a target to be detected is alive by using a scanning tool, then determine that the port where the target to be detected is alive has a remote control protocol, and finally verify that the target to be detected is the digital signage device by using a password dictionary, and the accuracy of recognition of the digital signage device may be improved by combining port scanning and password verification, thereby quickly improving the efficiency of a manager.
For the convenience of understanding the present embodiment, a detailed description will be given to the identification method of the digital signage apparatus disclosed in the present embodiment.
The first embodiment is as follows:
referring to fig. 1, an embodiment of the present invention provides an identification method for a digital signage device, which is applied to a terminal and may include the following steps:
step S101, receiving characteristic information of a target to be detected;
in the embodiment of the present invention, one or more targets to be detected may be provided, and the target to be detected may be a digital signage device or a non-digital signage device. Among them, the digital signage apparatus may refer to various outdoor advertising apparatus networked. The object of the embodiment of the invention is to accurately identify the target to be detected of the digital signage device. The characteristic information includes, but is not limited to, an IP address or a network segment.
Step S102, inputting the characteristic information into a scanning tool, and scanning a port of a target to be detected by using the scanning tool based on the characteristic information to obtain a scanning result of the port, wherein the scanning result comprises a return packet of the port and a port survival state;
in the embodiment of the present invention, the scanning tool may refer to a Sumap remote scanning tool, or may refer to other remote scanning tools, which are not described herein again. And inputting the IP address or the network segment into a scanning tool, and scanning the port by using the scanning tool to scan the survival condition of the port of the host where the target to be detected is located. Because the host computer of the target to be detected is provided with a plurality of ports, the scanning tool can scan the plurality of ports in sequence, and each port corresponds to a scanning result. Therefore, for the same target to be detected, each port corresponds to a port survival state, and the port survival states of different ports may be the same or different. The port survival state of the same target to be detected is divided into the following three conditions: in case 1, the port survival states of all ports of the same target to be detected are port survival; in case 2, the port survival states of all ports of the same target to be detected are port non-survival states; in case 3, the same target to be detected has a port whose port survival status is port non-survival, and also has a port whose port survival status is port survival. For the same target to be detected, no matter how many ports are in the target to be detected, as long as there is a port with a alive port, step S103 can be executed.
Step S103, if the port survival state is port survival, judging whether a remote control protocol exists in the port by using a return packet;
in an embodiment of the present invention, the return packet may include a fingerprint, wherein the fingerprint is the characteristic data of the remote device responding back through the network port, and can be used to identify what service is running on the detection port, so as to invoke the next interactive communication means of the corresponding service. The remote control protocol includes any one of: RFB (Remote Frame Buffer) Protocol, VNC (Virtual Network Computing) Protocol, and RDP (Remote Display Protocol) Protocol. The port with the port survival state as the port survival state is defined as a survival port, and a plurality of survival ports can be provided for the same target to be detected. The embodiment of the invention can sequentially judge whether remote control protocols such as RFB, VNC or RDP and the like used for the digital signage device exist on the plurality of survival ports. The embodiment of the invention judges whether the port has the remote control protocol by using the return packet, and can provide convenience for the digital signage device in the online identification network.
Step S105, if the port has a remote control protocol, loading a password corresponding to the port in a pre-configured password dictionary, and logging in a target to be detected by using the password;
in the embodiment of the present invention, the password dictionary is also referred to as a password dictionary, and may refer to a password list. In the password dictionary, each port corresponds to a password. The port scanning can identify the remote control protocol, but the false alarm rate of the target to be detected is high only according to the port scanning, and the target can be identified more accurately only by further communicating with the remote management service of the digital label. Therefore, the embodiment of the invention uses the password to try to log in the login interface of the target to be detected on the basis that the port has the remote control protocol, and then verifies whether the target to be detected is the digital label device or not according to the login result, thereby reducing the false alarm rate.
And step S107, if the login is successful, determining that the target to be detected is the digital signage device.
In the embodiment of the invention, if the login result is successful login, the target to be detected can be determined to be the digital signage device. When the embodiment of the invention utilizes the password dictionary for verification, if the password is correct, the digital signage management system can be logged in, and the digital signage device exposed on the Internet can be accurately identified. The embodiment of the invention provides a method for quickly identifying and acquiring the digital signage device for a digital signage device manager, can quickly detect and discover the digital signage device in a network range, and is beneficial to assisting network security general law inspection and the like. On the basis of the digital signage device identification provided by the embodiment of the invention, the steps are carried out on all targets to be detected, so that the number and the types of the digital signage devices can be further determined, and a technical basis is provided for subsequent management work.
The identification method of the digital signboard device provided by the embodiment of the invention comprises the steps of firstly receiving characteristic information of a target to be detected; inputting the characteristic information into a scanning tool, and scanning a port of a target to be detected by using the scanning tool based on the characteristic information to obtain a scanning result of the port, wherein the scanning result comprises a return packet of the port and a port survival state; if the port survival state is port survival, judging whether a remote control protocol exists in the port by using a return packet; if the port has the remote control protocol, loading a password corresponding to the port in a pre-configured password dictionary, and logging in the target to be detected by using the password; and if the login is successful, determining that the target to be detected is the digital signage device. The embodiment of the invention scans the surviving port of the target to be detected by using the scanning tool, then determines that the surviving port has the remote control protocol, finally verifies the target to be detected as the digital signage device by using the password dictionary, and can improve the identification accuracy of the digital signage device by combining port scanning and password verification, thereby quickly improving the efficiency of a manager.
Referring to fig. 2, after step S107, the method further comprises the steps of:
and step S108, performing screen capture operation on the interface which is successfully logged in to generate a screen capture of the digital signage device, and keeping the screen capture in a preset picture library so as to facilitate manual quick verification.
In the embodiment of the invention, in order to conveniently and rapidly check the condition that the target to be detected is the digital signage device, screen capture operation can be performed on the interface which is successfully logged in, and the screenshot of the digital signage device is generated. The screenshot is clear and complete, can be kept in a preset picture library and is named by the identification of the digital signage device so as to be searched quickly. The screenshot is reserved for use when a risk report is subsequently issued to a client, and manual and quick verification is facilitated.
Further, referring to fig. 2, after step S102, the method further includes the steps of:
and step S104, if the port survival state is that the port does not survive, scanning the next port of the target to be detected by using a scanning tool to obtain the scanning result of the next port.
In the embodiment of the invention, the target to be detected is provided with a plurality of ports, the scanning tool scans one port of the target to be detected first, if the port survival state of the port is that the port is not alive, the next port of the target to be detected is continuously scanned, and if the port survival state of the next port is that the port is not alive, the other ports of the target to be detected are sequentially and circularly scanned. The embodiment of the invention can scan the port survival states of all the ports of the target to be detected.
Further, referring to fig. 2, after step S103, the method further includes the steps of:
and step S106, if the port does not have the remote control protocol, recording the scanning result.
In the embodiment of the present invention, the scan result is response information of the port, and since the scan result of the port includes a return packet and a port alive state of the port, the scan result, that is, the return packet and the port alive state of the port, are recorded. The recorded scanning result provides convenience for subsequent management work.
The embodiment of the invention provides an identification method of a digital signage device, which utilizes a port to scan and identify a remote control protocol of the digital signage device, loads a pre-configured password field on the basis of the remote control protocol to perform login attempt on the identified digital signage device, and further verifies a scanning result. The key point of the embodiment of the invention is interactive simulation of the digital signage remote control protocol and a technology for verifying by utilizing a password dictionary and keeping screenshot.
Example two:
referring to fig. 3, an embodiment of the present invention provides an identification system for a digital signage device, which is applied to a terminal and may include the following modules:
the receiving module 11 is configured to receive characteristic information of a target to be detected;
the scanning module 12 is configured to input the feature information into a scanning tool, and scan a port of the target to be detected by using the scanning tool based on the feature information to obtain a scanning result of the port, where the scanning result includes a return packet of the port and a port survival state;
a judging module 13, configured to, if the port survival status is port survival, judge whether a remote control protocol exists in the port by using a return packet;
the login module 14 is used for loading a password corresponding to the port in a pre-configured password dictionary if the port has the remote control protocol, and logging in the target to be detected by using the password;
and the determining module 15 is configured to determine that the target to be detected is the digital signage device if the login is successful.
The identification system of the digital signboard device provided by the embodiment of the invention firstly utilizes the receiving module 11 to receive the characteristic information of the target to be detected; then, the scanning module 12 is used for inputting the characteristic information into a scanning tool, and based on the characteristic information, the scanning tool is used for scanning the port of the target to be detected to obtain a scanning result of the port, wherein the scanning result comprises a return packet of the port and a port survival state; when the port survival state is the port survival state, the scanning module 12 judges whether the port has a remote control protocol by using a return packet; if the port has the remote control protocol, loading a password corresponding to the port in a pre-configured password dictionary by using a login module 14, and logging in the target to be detected by using the password; if the login is successful, the determination module 15 is used to determine that the target to be detected is the digital signage device. In the embodiment of the invention, the scanning module 12 is used for scanning the live port of the target to be detected, and then the login module 14 and the determination module 15 are used for verifying that the target to be detected is the digital signage device under the condition that the live port has a remote control protocol.
Further, the scanning module 12 is further configured to scan a next port of the target to be detected by using the scanning tool to obtain a scanning result of the next port if the port survival status is that the port is not alive.
Further, referring to fig. 4, the system further includes the following modules:
and the screen capture module 16 is used for carrying out screen capture operation on the interface which is successfully logged in to generate a screen capture of the digital signage device, and the screen capture is kept in a preset picture library so as to facilitate manual quick verification.
And the recording module 17 is configured to record the scanning result if the port does not have the remote control protocol.
The embodiment of the present invention further provides an electronic device, which includes a memory and a processor, where the memory stores a computer program that can be run on the processor, and the processor executes the computer program to implement the steps of the method in the first embodiment of the foregoing method.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The computer program product of the identification method for a digital signage apparatus provided by the embodiment of the present invention includes a computer readable storage medium storing a program code, where instructions included in the program code may be used to execute the method described in the foregoing method embodiment, and specific implementation may refer to the method embodiment, and will not be described herein again.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the system described above may refer to the corresponding process in the foregoing method embodiment, and is not described herein again.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A method for recognizing a digital signage device, applied to a terminal, includes:
receiving characteristic information of a target to be detected;
inputting the characteristic information into a scanning tool, and scanning the port of the target to be detected by using the scanning tool based on the characteristic information to obtain a scanning result of the port, wherein the scanning result comprises a return packet of the port and a port survival state; the scanning tool is a Sumap remote scanning tool; the return packet includes a fingerprint; each port of the target to be detected corresponds to one port survival state;
if the port survival state is port survival, judging whether a remote control protocol exists in the port by using the return packet;
if the port has a remote control protocol, loading a password corresponding to the port in a pre-configured password dictionary, and logging in the target to be detected by using the password;
if the login is successful, determining that the target to be detected is a digital label device;
after the target to be detected is determined to be the digital signage device, the method further comprises the following steps:
and carrying out screen capture operation on the interface which is successfully logged in to generate a screen capture of the digital signage device, wherein the screen capture is kept in a preset picture library so as to facilitate manual quick verification.
2. The method of claim 1, further comprising, after obtaining the port scan result:
and if the port survival state is that the port is not alive, scanning the next port of the target to be detected by using the scanning tool to obtain the scanning result of the next port.
3. The method of claim 1, wherein after determining whether a remote control protocol exists for the port using the return packet, further comprising:
and if the port does not have a remote control protocol, recording the scanning result.
4. The method of claim 1, wherein the feature information comprises an IP address or a network segment.
5. The method of claim 1, wherein the remote control protocol comprises any one of: RFB protocol, VNC protocol, RDP protocol.
6. An identification system of a digital signage apparatus, applied to a terminal, comprising:
the receiving module is used for receiving the characteristic information of the target to be detected;
the scanning module is used for inputting the characteristic information into a scanning tool, and scanning the port of the target to be detected by using the scanning tool based on the characteristic information to obtain a scanning result of the port, wherein the scanning result comprises a return packet of the port and a port survival state; the scanning tool is a Sumap remote scanning tool; the return packet includes a fingerprint; each port of the target to be detected corresponds to one port survival state;
the judging module is used for judging whether the port has a remote control protocol or not by using the return packet if the port survival state is port survival;
the login module is used for loading a password corresponding to the port in a pre-configured password dictionary and logging in the target to be detected by using the password if the port has a remote control protocol;
the determining module is used for determining that the target to be detected is a digital label device if the login is successful;
the device, still include:
and the screen capture module is used for carrying out screen capture operation on the interface which is successfully logged in to generate a screen capture of the digital signage device, and the screen capture is reserved in a preset picture library so as to facilitate manual quick verification.
7. The system of claim 6, further comprising:
and the recording module is used for recording the scanning result if the port does not have a remote control protocol.
8. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the method according to any of claims 1 to 5 when executing the computer program.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105227383A (en) * | 2015-11-06 | 2016-01-06 | 广东电网有限责任公司电力科学研究院 | A kind of device of network topology investigation |
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| CN106921680B (en) * | 2017-05-05 | 2018-07-06 | 腾讯科技（深圳）有限公司 | A kind of port scanning method and device |
| CN108833447B (en) * | 2018-08-01 | 2021-04-23 | 杭州安恒信息技术股份有限公司 | A network camera weak password detection method and system |
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| CN105227383A (en) * | 2015-11-06 | 2016-01-06 | 广东电网有限责任公司电力科学研究院 | A kind of device of network topology investigation |
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| CN106713449A (en) * | 2016-12-21 | 2017-05-24 | 中国电子科技网络信息安全有限公司 | Method for quickly identifying networked industrial control device |
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