CN111786956A - System and method for safely accessing intranet network based on message middleware communication - Google Patents
System and method for safely accessing intranet network based on message middleware communication Download PDFInfo
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- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
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- 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
- H04L63/0884—Network architectures or network communication protocols for network security for authentication of entities by delegation of authentication, e.g. a proxy authenticates an entity to be authenticated on behalf of this entity vis-à-vis an authentication entity
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Abstract
The invention discloses a system and a method for safely accessing an intranet network based on message middleware communication, wherein the system comprises a data acquisition device, an Internet of things front-end server, a message middleware proxy extranet server, an SQL isolation device, a message middleware database server, a message middleware proxy extranet server and an intranet system, the data acquisition device encrypts acquired data and transmits the encrypted data to the Internet of things front-end server, and the Internet of things front-end server decrypts and processes the data into HTTP or TCP/IP protocol data and transmits the HTTP or TCP/IP protocol data to the message middleware proxy extranet server; the message middleware proxy server converts the data processing of the HTTP or TCP/IP protocol into SQL statements and writes the SQL statements into a message middleware database server through an SQL isolation device; the message middleware proxy intranet server acquires the information written into the message middleware database server by the message middleware proxy extranet server through SQL statements, converts the information into HTTP protocol data and sends the HTTP protocol data to the intranet system.
Description
Technical Field
The invention belongs to the technical field of data transmission safety, and particularly relates to a system and a method for safely accessing an intranet network based on message middleware communication.
Background
China has wide land expanses, and people live in different areas. Electric power is the main power supporting economic development, and the power transmission and transformation circuit is a power transmission channel and is the national economic artery. In order to meet the domestic power consumption requirements of people distributed in different areas, a great number of power transmission and transformation lines need to be built. In order to ensure the normal operation of the power transmission and transformation line, the power transmission and transformation line needs to be regularly detected at regular time, and the traditional detection mainly comprises the step of detecting the power transmission and transformation line on site by maintenance personnel, which wastes time and labor. With the development of sensing technology and communication technology, remote acquisition is adopted, power transmission and transformation lines are detected in a remote control mode, and various data of the power transmission and transformation lines are acquired by power transmission and transformation equipment and then transmitted to a power grid data center. Similarly, because the breadth of our country is large, there are many transmission and transformation lines, and there are many control hosts and various data in the power grid data center, if it is attacked or the data is stolen, it will cause significant loss. Special attention needs to be paid to data security when external data is transmitted to the intranet.
A message queue (message queue) is a structure that transmits data in a first-in first-out manner. Are important components in distributed systems. The invention patent with application number 2017107351604 discloses a data security transmission method based on message queues, which comprises a method for transmitting data from an external network to an internal network and a method for transmitting data from the internal network to the external network; this technical scheme replaces former strong isolating device gatekeeper with positive reverse gatekeeper equipment, realize the message management of just reverse gatekeeper equipment through the Toprow message middleware, make extranet service can visit intranet application, intranet application visits extranet service, make things convenient for data sharing, and increase the leading message service of message middleware and the message middleware message management service of message middleware respectively at extranet, be used for carrying out message communication with message middleware gatekeeper, raise the efficiency, guarantee the normal development of original each application system business, raise the penetrating efficiency and quality of extranet, promote data transmission efficiency and response speed.
According to the scheme, a message middleware front message service and a message middleware message management service are respectively added in an internal network and an external network, and are used for carrying out message communication with a message middleware gateway, and the message middleware message management service is mainly used for carrying out data processing in the data interaction process of the internal network and the external network on application services.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a system and a method for safely accessing an intranet network based on message middleware communication, wherein the method is based on the system, the system processes and converts data of HTTP or TCP/IP protocol into SQL sentences through a message middleware proxy extranet server and writes the SQL sentences into a message middleware database server through an SQL isolation device; the message middleware proxy intranet server acquires information written into the message middleware database server by the message middleware proxy extranet server through SQL sentences, converts the information into HTTP protocol data, and sends the HTTP protocol data to the intranet system.
In order to achieve the above purpose, the solution adopted by the invention is as follows: the system comprises a data acquisition device, an Internet of things front-end server, a message middleware proxy outer net server, an SQL isolation device, a message middleware database server, a message middleware proxy inner net server and an inner net system, wherein the data acquisition device encrypts acquired data and transmits the encrypted data to the Internet of things front-end server, and the Internet of things front-end server decrypts and processes the data into HTTP or TCP/IP protocol data and transmits the HTTP or TCP/IP protocol data to the message middleware proxy outer net server; the message middleware proxy server converts the data processing of the HTTP or TCP/IP protocol into SQL statements and writes the SQL statements into a message middleware database server through an SQL isolation device; the message middleware proxy intranet server acquires the information written into the message middleware database server by the message middleware proxy extranet server through SQL statements, converts the information into HTTP protocol data and sends the HTTP protocol data to the intranet system.
The data acquisition device transmits acquired data to the Internet of things front-end server through multiple protocols including MQTT, TCP and UDP. Because the data acquisition device is different in model, manufacturer and the like, the communication protocol is not uniform, when the system is adopted for data safety access, the data acquired by the data acquisition device does not need to be subjected to protocol conversion, the data is uniformly subjected to data conversion after being received by the front-end server of the Internet of things, each data acquisition device does not need to be updated or changed, only the data conversion of the front-end server of the Internet of things is needed, the system is simpler to build, and errors are easier to find if the conversion is wrong.
The intranet system comprises an intranet application server and an intranet database server, wherein the intranet application server converts the received HTTP protocol data into SQL statements and transmits the SQL statements to the intranet database server. The data accessed to the intranet is stored in the intranet database server and can be called by any application on the intranet application server, and the safety of each application of the intranet is guaranteed.
The system also comprises an access device, wherein the access device accesses the message middleware proxy extranet server through the HTTP protocol to realize the access to the intranet data. The access device comprises an intelligent mobile terminal and a computer. When a user uses an intelligent mobile terminal, a desktop computer, a tablet personal computer or a notebook computer to access intranet data, an access request is accessed to an intranet application after passing through a message middleware proxy extranet server, an SQL isolation device, a message middleware database server and a message middleware proxy intranet server, and the safety of accessing the intranet in the access process is guaranteed.
The system also comprises a feasible authentication server, wherein the feasible authentication server is used for storing the safety verification information of the data acquisition device and verifying whether the safety verification information of the data acquisition device to be accessed exists, if so, the feasible authentication server establishes communication with the data acquisition device and transmits the received data to the front-end server of the Internet of things; and if not, rejecting the communication request of the corresponding data acquisition device. The security verification information comprises one or more of a digital certificate, a network access license and a serial number of the data acquisition device. The feasible authentication server is used for carrying out safety verification on the acquisition device, and if the acquisition device which does not pass the safety verification is refused to access the intranet, unsafe hardware equipment is prevented from accessing the intranet, and the safety of the intranet is further guaranteed.
The method for safely accessing the system of the intranet network based on the message middleware communication comprises the following steps:
s1: the data acquisition device encrypts acquired data and transmits the encrypted data to the Internet of things front-end server;
s2: the Internet of things front server decrypts the data and transmits the data processed into HTTP or TCP/IP protocol to the message middleware proxy extranet server;
s3: the message middleware proxy server converts the data processing of the HTTP or TCP/IP protocol into SQL statements and writes the SQL statements into a message middleware database server through an SQL isolation device;
s4: the message middleware proxy intranet server acquires the information written into the message middleware database server by the message middleware proxy extranet server through SQL statements, converts the information into HTTP protocol data and sends the HTTP protocol data to the intranet system.
The data acquisition device transmits acquired data to the Internet of things front-end server through multiple protocols including MQTT, TCP and UDP. Because the data acquisition device is different in model, manufacturer and the like, the communication protocol is not uniform, when the system is adopted for data safety access, the data acquired by the data acquisition device does not need to be subjected to protocol conversion, the data is uniformly subjected to data conversion after being received by the front-end server of the Internet of things, each data acquisition device does not need to be updated or changed, only the data conversion of the front-end server of the Internet of things is needed, the system is simpler to build, and errors are easier to find if the conversion is wrong.
The method also comprises feasible authentication, wherein before data transmission, the data acquisition device communicates with a feasible authentication server and carries out safety verification, if safety verification information of the data acquisition device is stored in the feasible authentication server, the data acquisition device establishes communication with the data acquisition device and transmits the received data to the Internet of things prepositive server, and the Internet of things prepositive server receives the data, then decrypts the data and transmits the data processed into HTTP or TCP/IP protocol to the message middleware proxy extranet server; and if the safety verification information of the data acquisition device is not stored in the feasible authentication server, rejecting the communication request corresponding to the data acquisition device. The feasible authentication can be used for carrying out safety verification on the acquisition device, and if the acquisition device which does not pass the safety verification is refused to access the intranet, unsafe hardware equipment is prevented from accessing the intranet, and the safety of the intranet is further guaranteed.
The invention has the beneficial effects that:
the method is based on the system, the system converts the data processing of HTTP or TCP/IP protocol into SQL sentences through a message middleware proxy extranet server and writes the SQL sentences into a message middleware database server through an SQL isolation device; the message middleware proxy intranet server obtains information written into the message middleware database server by the message middleware proxy extranet server through SQL sentences, converts the information into HTTP protocol data, and sends the HTTP protocol data to the intranet system.
The method can transfer the data acquired by the data acquisition device through the message middleware proxy outer network server, the SQL isolation device, the message middleware database server and the message middleware proxy inner network server, and avoids the direct access of the data to the inner network, thereby bringing threat to the safety of the inner network.
Drawings
Fig. 1 is a system block diagram of a secure access intranet network according to a first embodiment of the present invention;
fig. 2 is a flowchart of a method for securely accessing an intranet network according to a first embodiment of the present invention;
fig. 3 is a system block diagram of securely accessing an intranet network according to a second embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, in an embodiment of the present application, a system for securely accessing an intranet network based on message middleware communication includes a data acquisition device, an internet of things front-end server, a message middleware proxy extranet server, an SQL isolating device, a message middleware database server, a message middleware proxy intranet server, and an intranet system, where the data acquisition device encrypts collected data and transmits the encrypted data to the internet of things front-end server, and the internet of things front-end server decrypts and processes the data into data of an HTTP or TCP/IP protocol and transmits the data to the message middleware proxy extranet server; the message middleware proxy server converts the data processing of the HTTP or TCP/IP protocol into SQL statements and writes the SQL statements into a message middleware database server through an SQL isolation device; the message middleware proxy intranet server acquires the information written into the message middleware database server by the message middleware proxy extranet server through SQL statements, converts the information into HTTP protocol data and sends the HTTP protocol data to the intranet system. The Internet of things front-end server adopts a Nginx Http proxy server.
The data acquisition device transmits acquired data to the Internet of things front-end server through multiple protocols including MQTT, TCP and UDP. Because the data acquisition device is different in model, manufacturer and the like, the communication protocol is not uniform, when the system is adopted for data safety access, the data acquired by the data acquisition device does not need to be subjected to protocol conversion, the data is uniformly subjected to data conversion after being received by the front-end server of the Internet of things, each data acquisition device does not need to be updated or changed, only the data conversion of the front-end server of the Internet of things is needed, the system is simpler to build, and errors are easier to find if the conversion is wrong. The data acquisition device includes a variety of sensors used by the power system, such as temperature sensors, voltage sensors, flame sensors, and the like.
The intranet system comprises an intranet application server and an intranet database server, wherein the intranet application server converts the received HTTP protocol data into SQL statements and transmits the SQL statements to the intranet database server. The data accessed to the intranet is stored in the intranet database server and can be called by any application on the intranet application server, and the safety of each application of the intranet is guaranteed.
The system also comprises an access device, wherein the access device accesses the message middleware proxy extranet server through the HTTP protocol to realize the access to the intranet data. The access device comprises an intelligent mobile terminal and a computer. When a user uses an intelligent mobile terminal, a desktop computer, a tablet personal computer or a notebook computer to access intranet data, an access request is accessed to an intranet application after passing through a message middleware proxy extranet server, an SQL isolation device, a message middleware database server and a message middleware proxy intranet server, and the safety of accessing the intranet in the access process is guaranteed.
As shown in fig. 2, a method for securely accessing to an intranet network system through message middleware communication according to a first embodiment includes the following steps:
s1: the data acquisition device encrypts acquired data and transmits the encrypted data to the Internet of things front-end server;
s2: the Internet of things front server decrypts the data and transmits the data processed into HTTP or TCP/IP protocol to the message middleware proxy extranet server;
s3: the message middleware proxy server converts the data processing of the HTTP or TCP/IP protocol into SQL statements and writes the SQL statements into a message middleware database server through an SQL isolation device;
s4: the message middleware proxy intranet server acquires the information written into the message middleware database server by the message middleware proxy extranet server through SQL statements, converts the information into HTTP protocol data and sends the HTTP protocol data to the intranet system.
The data acquisition device transmits acquired data to the Internet of things front-end server through multiple protocols including MQTT, TCP and UDP. Because the data acquisition device is different in model, manufacturer and the like, the communication protocol is not uniform, when the system is adopted for data safety access, the data acquired by the data acquisition device does not need to be subjected to protocol conversion, the data is uniformly subjected to data conversion after being received by the front-end server of the Internet of things, each data acquisition device does not need to be updated or changed, only the data conversion of the front-end server of the Internet of things is needed, the system is simpler to build, and errors are easier to find if the conversion is wrong.
As shown in fig. 3, in the second embodiment of the present application, the system further includes a feasible authentication server, where the feasible authentication server is configured to store security verification information of the data acquisition device, verify whether the security verification information of the data acquisition device to be accessed exists, if so, establish communication with the data acquisition device, and transmit the received data to the pre-server of the internet of things; and if not, rejecting the communication request of the corresponding data acquisition device. The security verification information comprises one or more of a digital certificate, a network access license and a serial number of the data acquisition device. The feasible authentication server is used for carrying out safety verification on the acquisition device, and if the acquisition device which does not pass the safety verification is refused to access the intranet, unsafe hardware equipment is prevented from accessing the intranet, and the safety of the intranet is further guaranteed.
The method for safely accessing the system of the intranet network based on the message middleware communication of the second embodiment further comprises feasible authentication, wherein the data acquisition device is firstly communicated with the feasible authentication server and carries out safety verification before data transmission, if safety verification information of the data acquisition device is stored in the feasible authentication server, communication with the data acquisition device is established, the received data is transmitted to the internet of things front-end server, and the internet of things front-end server receives the data, decrypts the data and processes the data into data of an HTTP or TCP/IP protocol and transmits the data to the message middleware proxy extranet server; and if the safety verification information of the data acquisition device is not stored in the feasible authentication server, rejecting the communication request corresponding to the data acquisition device. The feasible authentication can be used for carrying out safety verification on the acquisition device, and if the acquisition device which does not pass the safety verification is refused to access the intranet, unsafe hardware equipment is prevented from accessing the intranet, and the safety of the intranet is further guaranteed.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. The system for safely accessing the intranet network based on the message middleware communication is characterized in that: the system comprises a data acquisition device, an Internet of things front-end server, a message middleware proxy extranet server, an SQL isolation device, a message middleware database server, a message middleware proxy intranet server and an intranet system, wherein the data acquisition device encrypts acquired data and transmits the encrypted data to the Internet of things front-end server; the message middleware proxy server converts the data processing of the HTTP or TCP/IP protocol into SQL statements and writes the SQL statements into a message middleware database server through an SQL isolation device; the message middleware proxy intranet server acquires the information written into the message middleware database server by the message middleware proxy extranet server through SQL statements, converts the information into HTTP protocol data and sends the HTTP protocol data to the intranet system.
2. The system for secure access to an intranet network based on message middleware communication according to claim 1, wherein: the data acquisition device transmits acquired data to the Internet of things front-end server through multiple protocols including MQTT, TCP and UDP.
3. The system for securely accessing an intranet network based on message middleware communication according to claim 1 or 2, wherein: the intranet system comprises an intranet application server and an intranet database server, wherein the intranet application server converts the received HTTP protocol data into SQL statements and transmits the SQL statements to the intranet database server.
4. The system for secure access to an intranet network based on message middleware communication according to claim 3, wherein: the system also comprises an access device, wherein the access device accesses the message middleware proxy extranet server through the HTTP protocol to realize the access to the intranet data.
5. The system for secure access to an intranet network based on message middleware communication according to claim 4, wherein: the access device comprises an intelligent mobile terminal and a computer.
6. The system for secure access to an intranet network based on message middleware communication according to claim 1, wherein: the system also comprises a feasible authentication server, wherein the feasible authentication server is used for storing the safety verification information of the data acquisition device and verifying whether the safety verification information of the data acquisition device to be accessed exists, if so, the feasible authentication server establishes communication with the data acquisition device and transmits the received data to the front-end server of the Internet of things; and if not, rejecting the communication request of the corresponding data acquisition device.
7. The system for secure access to an intranet network based on message middleware communication according to any one of claim 6, wherein: the security verification information comprises one or more of a digital certificate, a network access license and a serial number of the data acquisition device.
8. The method for securely accessing an intranet network system based on message-based middleware communication according to any one of claims 1 to 7, comprising: the method comprises the following steps:
s1: the data acquisition device encrypts acquired data and transmits the encrypted data to the Internet of things front-end server;
s2: the Internet of things front server decrypts the data and transmits the data processed into HTTP or TCP/IP protocol to the message middleware proxy extranet server;
s3: the message middleware proxy server converts the data processing of the HTTP or TCP/IP protocol into SQL statements and writes the SQL statements into a message middleware database server through an SQL isolation device;
s4: the message middleware proxy intranet server acquires the information written into the message middleware database server by the message middleware proxy extranet server through SQL statements, converts the information into HTTP protocol data and sends the HTTP protocol data to the intranet system.
9. The method for securely accessing an intranet network based on message-oriented middleware communication according to claim 8, wherein: the data acquisition device transmits acquired data to the Internet of things front-end server through multiple protocols including MQTT, TCP and UDP.
10. The method for securely accessing an intranet network based on message-oriented middleware communication according to claim 8, wherein: the method also comprises feasible authentication, wherein before data transmission, the data acquisition device communicates with a feasible authentication server and carries out safety verification, if safety verification information of the data acquisition device is stored in the feasible authentication server, the data acquisition device establishes communication with the data acquisition device and transmits the received data to the Internet of things prepositive server, and the Internet of things prepositive server receives the data, then decrypts the data and transmits the data processed into HTTP or TCP/IP protocol to the message middleware proxy extranet server; and if the safety verification information of the data acquisition device is not stored in the feasible authentication server, rejecting the communication request corresponding to the data acquisition device.
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| CN112565277A (en) * | 2020-12-07 | 2021-03-26 | 国网电子商务有限公司 | Data transmission method, system and electronic equipment |
| CN113079156A (en) * | 2021-03-31 | 2021-07-06 | 国网浙江省电力有限公司信息通信分公司 | Intranet and extranet information interaction system |
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| CN114143066A (en) * | 2021-11-26 | 2022-03-04 | 国网四川省电力公司南充供电公司 | Intranet and extranet docking system and method based on agent isolation device |
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| CN114385737A (en) * | 2022-03-24 | 2022-04-22 | 国能大渡河流域水电开发有限公司 | Electric power monitoring data monitoring method and platform based on change data capture |
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