CN115549988A - Internal and external network data transmission system and method - Google Patents
Internal and external network data transmission system and method Download PDFInfo
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- CN115549988A CN115549988A CN202211133985.6A CN202211133985A CN115549988A CN 115549988 A CN115549988 A CN 115549988A CN 202211133985 A CN202211133985 A CN 202211133985A CN 115549988 A CN115549988 A CN 115549988A
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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
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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
- H04L63/0807—Network architectures or network communication protocols for network security for authentication of entities using tickets, e.g. Kerberos
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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
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1441—Countermeasures against malicious traffic
- H04L63/1466—Active attacks involving interception, injection, modification, spoofing of data unit addresses, e.g. hijacking, packet injection or TCP sequence number attacks
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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
- H04L63/20—Network architectures or network communication protocols for network security for managing network security; network security policies in general
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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
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
Abstract
The invention discloses an internal and external network data transmission system and a method, wherein the system comprises an external network service module, a unified authentication center, an abnormality detection module, a request processing unit, a log processing unit, a data conversion module, a front-end processor and an internal network service module; the method comprises the following steps: firstly, an internal network transmits data to an external network; step two, the external network transmits data to the internal network; the invention carries out unified authentication and unified authentication on corresponding services requested by the internal and external networks through the unified authentication center, thereby ensuring the safety; the possible malicious attacks are identified and detected through an anomaly detection module; the request format of the external network is unified through the data conversion module, and the request format is cleaned through data and then transmitted to the external interface, so that the problem that the program needs to be re-deployed due to the change of downstream services is solved, the system risk possibly brought by the operation is reduced, and various operations of the file can be completed on the premise of ensuring the data safety.
Description
Technical Field
The invention relates to the technical field of computers, in particular to an internal and external network data transmission system and method.
Background
With the rapid development of internet medical treatment and the enhancement of the informatization degree of daily office work of hospitals, the informatization of hospitals becomes a great trend, and the informatization increases the service efficiency of hospitals and brings about the risk of data leakage. In the prior art, a network isolation mode is adopted to reduce the risk of data leakage, that is, a hospital network is logically divided into an external network and an internal network, wherein the external network is a hospital office service and a website, and the internal network is a hospital business service and system, such as an HS, a PACS, a checking system and the like.
The network isolation can effectively prevent threats such as illegal attacks and the like, but the network isolation can also cause inconvenience and safety risks of cross-network file transmission in a hospital, and the cross-network file transmission in the hospital is mainly divided into file transmission among personnel and file transmission among systems. After the network isolation, the file transmission among the personnel can only be realized through a mobile built-in cache or a file protocol for opening the network isolation, and the mode not only provides a way for virus propagation, but also breaks the network isolation state. The file transmission between systems can be realized by using a network gate device, but the file transmission between multiple networks and multiple applications can be realized by multiple devices in the face of the data transmission requirements, and the auditing and approving functions are lacked. In addition, when large-volume data is transmitted, problems such as transmission errors and transmission interruption are easy to occur, and normal service flow is seriously influenced.
Disclosure of Invention
The present invention is directed to a system and method for transmitting data between an internal network and an external network, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the internal and external network data transmission system comprises an external network service module, a unified authentication center, an abnormality detection module, a data conversion module, a front-end processor and an internal network service module, wherein the unified authentication center is respectively in data connection with the external network service module, the abnormality detection module and the internal network service module, the abnormality detection module is respectively in data connection with the data conversion module and the front-end processor, and the data conversion module is in data connection with the front-end processor.
Preferably, the external network service module is configured to request internal network data and return external network request data.
Preferably, the unified authentication center is used for issuing an authentication token and verifying, authorizing and authenticating the internal and external network requests; the authentication token comprises a unique authentication identifier AppId, authentication time Access time, expiration time ExpirationTime and other necessary content Context.
Preferably, the anomaly detection module is configured to perform anomaly detection on the internal and external network requests and perform relevant processing on the anomaly requests, and the anomaly detection module includes a request processing unit and a log processing unit, and the request processing unit is configured to identify network data with an abnormal behavior in the request data according to an anomaly detection algorithm; and the log processing unit is used for logging the requests when the internal and external network requests are received and classifying and sorting the requests based on the logging information.
Preferably, the request processing unit classifies the request analysis into the following four categories by using an artificial intelligence model based on a GBIE classification manner: g, request is good; b, bad request; i, request is not determined; e, rejecting the request, predicting the request time and the request result by an anomaly detection algorithm according to the actual situation, and classifying the request; the artificial intelligence model identifies abnormal data according to the following four abnormality detection methods: the numerical outliers method, Z-Score, DBSCA, and the isolated forest method.
Preferably, the front-end processor is used for isolating the internal and external network requests and transmitting the original data in the form of ferry files.
Preferably, the data conversion module is used for performing data cleaning on the intranet request data and converting the data into data required by a downstream interface, and the data conversion module comprises a format verification unit and a data conversion unit, and the format verification unit is used for performing format verification on the downstream request data; the data conversion unit is used for converting the format of the data with unqualified format verification and arranging the data into the data required by the downstream interface.
Preferably, the format verification unit comprises a first verification unit and a second verification unit, and the first verification unit is configured to directly determine the interface parameter and provide a verification result; the second verification unit is used for classifying the interface parameters according to the preset interface fields and judging the abnormity of the interface based on preset items, wherein the preset items comprise request addresses, request parameters, return parameters and health check addresses, and the second verification unit acquires whether the interface is abnormal or changed according to the health check addresses.
Preferably, the intranet service module is configured to request for intranet data and return intranet request data.
A data transmission method of an internal and external network data transmission system comprises the steps that an internal network transmits data to an external network; step two, the external network transmits data to the internal network;
wherein the first step comprises the following steps:
1.1 the external network service module obtains the corresponding unified authentication token from the unified authentication center and stores the token by itself;
1.2 the external network service module sends a request with the acquired unified authentication token, and the unified authentication center verifies and authenticates the token;
1.3 the request verified by the unified authentication center is sent to an anomaly detection module uniformly, the anomaly detection module records the request log, processes the request in a GBIE mode and sends the request to a front-end processor;
1.4 the request is processed by the front-end processor and then sent to the hospital intranet system;
wherein in the second step, the method comprises the following steps:
2.1 the intranet service module obtains a corresponding unified authentication token from the unified authentication center and stores the token by itself;
2.2 the intranet service module initiates a request with the obtained unified authentication token, and the unified authentication center verifies and authenticates the token;
2.3 the request verified by the uniform authentication center is uniformly sent to an anomaly detection module, the anomaly detection module records the request log, performs request processing according to the mode of GBIE and sends the request to a data conversion unit;
2.4 the data conversion unit converts the data into the data content required by the extranet service according to the preset specific parameters;
and 2.5, the request is processed by the front-end processor and then is sent to the external network system.
Compared with the prior art, the invention has the beneficial effects that: the invention carries out unified authentication and unified authentication on corresponding services requested by the internal and external networks through the unified authentication center, thereby ensuring the safety; the possible malicious attacks are identified and detected through an anomaly detection module; the request format of the external network is unified through the data conversion module, and the request format is cleaned through data and then transmitted to the external interface, so that the problem that the program needs to be re-deployed due to the change of downstream services is solved, the system risk possibly brought by the operation is reduced, and various operations of the file can be completed on the premise of ensuring the data safety.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a flow chart of the intranet to extranet data transmission system of the present invention;
FIG. 3 is a flow chart of the data transmission system from the extranet to the intranet of the present invention;
FIG. 4 is a flow chart of step one of the method of the present invention;
FIG. 5 is a flow chart of step two of the method of the present invention;
FIG. 6 is a diagram of the method steps of the present invention;
in the figure: 1. an extranet service module; 2. a unified authentication center; 3. an anomaly detection module; 30. a request processing unit; 31. a log processing unit; 4. a data conversion module; 40. a format verifying unit; 400. a first verification unit; 401. a second verification unit; 41. a data conversion unit; 5. a front-end processor; 6. and an intranet service module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1, an embodiment of the present invention: an internal and external network data transmission system comprises an external network service module 1, a unified authentication center 2, an anomaly detection module 3, a data conversion module 4, a front-end processor 5 and an internal network service module 6, wherein the unified authentication center 2 is respectively in data connection with the external network service module 1, the anomaly detection module 3 and the internal network service module 6, the anomaly detection module 3 is respectively in data connection with the data conversion module 4 and the front-end processor 5, and the data conversion module 4 is in data connection with the front-end processor 5; the external network service module 1 is used for requesting internal network data and returning external network request data; the unified authentication center 2 is used for issuing an authentication token and verifying, authorizing and authenticating the internal and external network requests; the authentication token comprises a unique authentication identifier AppId, authentication time Access time, expiration time ExpirationTime and other necessary content Context; the anomaly detection module 3 is used for performing anomaly detection on the internal and external network requests and performing related processing on the anomaly requests, the anomaly detection module 3 comprises a request processing unit 30 and a log processing unit 31, and the request processing unit 30 is used for identifying network data with abnormal behaviors in the request data according to an anomaly detection algorithm; the log processing unit 31 is used for logging requests of the internal network and the external network when the requests are received, and classifying and sorting the requests based on log recording information; the request processing unit 30 classifies the request analysis into the following four classes based on the GBIE classification method by using the artificial intelligence model: g, good request; b, bad request; i, request uncertainty; e, rejecting the request, predicting the request time and the request result by an anomaly detection algorithm according to the actual situation, and classifying the request; the artificial intelligence model identifies abnormal data according to the following four abnormal detection methods: a digital outliers method, Z-Score, DBSCA, and isolated forest method; the front-end processor 5 is used for isolating the internal and external network requests and transmitting original data in the form of ferry files; the data conversion module 4 is used for cleaning data of intranet request data and converting the data into data required by a downstream interface, the data conversion module 4 comprises a format verification unit 40 and a data conversion unit 41, and the format verification unit 40 is used for performing format verification on the downstream request data; the data conversion unit 41 is configured to perform format conversion on the data with unqualified format verification, and arrange the data into data required by the downstream interface; the format verification unit 40 comprises a first verification unit 400 and a second verification unit 401, wherein the first verification unit 400 is used for directly judging the interface parameters and giving a verification result; the second verification unit 401 is configured to classify the interface parameters according to preset interface fields, and perform exception judgment on the interface based on preset items, where the preset items include request addresses, request parameters, return parameters, and health check addresses, and the second verification unit 401 obtains whether an interface is abnormal or changed according to the health check addresses; the intranet service module 6 is used for requesting the intranet data and returning the intranet request data.
Referring to fig. 2-6, an embodiment of the present invention is shown: a data transmission method of an internal and external network data transmission system comprises the steps that an internal network transmits data to an external network; step two, the outer network transmits data to the inner network;
wherein the first step comprises the following steps:
1.1 the external network service module 1 obtains the corresponding unified authentication token from the unified authentication center 2 and stores the token by itself;
1.2 the external network service module 1 initiates a request with the obtained unified authentication token, and the unified authentication center 2 verifies and authenticates the token;
1.3 the request verified by the unified authentication center 2 is sent to the anomaly detection module 3 uniformly, the anomaly detection module 3 records the request log, processes the request in a GBIE mode and sends the request to the front-end processor 5;
1.4 the request is processed by the front-end processor 5 and then sent to the hospital intranet system;
wherein in the second step, the method comprises the following steps:
2.1 the intranet service module 6 obtains the corresponding unified authentication token from the unified authentication center 2 and stores the token by itself;
2.2 the intranet service module 6 initiates a request with the obtained unified authentication token, and the unified authentication center 2 verifies and authenticates the token;
2.3 the request verified by the unified authentication center 2 is sent to the anomaly detection module 3 in a unified manner, the anomaly detection module 3 records the request log, performs request processing in a GBIE manner, and sends the request to the data conversion unit 41;
2.4, the data conversion unit 41 converts the data into the data content required by the extranet service according to the preset specific parameters;
2.5 the request is processed by the front-end processor 5 and sent to the extranet system.
Based on the above, the present invention has the advantages that the unified authentication center 2 is used for performing unified authentication and unified authentication on corresponding services requested by the internal and external networks, all requests must be requested through the apptokken issued by the unified authentication center 2, the unified authentication center 2 can help the identity of the requested authentication and return necessary user information, and perform unified authentication on subsequent requests, so that the service module can be efficiently, quickly, safely and stably accessed, the unified authentication center 2 provides a unified authentication mode for all services, particularly when an external application requests, a large number of potential safety hazards are reduced, and good process of control authentication and authentication is achieved; the abnormal detection module 3 receives requests of an internal network and an external network, logs the requests, can utilize an artificial intelligence model to classify and sort the requests through a large amount of log records, eliminates a large amount of manual operations, automatically judges whether the requests can be degraded, fused and limited after the requests are classified, effectively isolates abnormal requests, and warns and shields request sources; when the invention is applied to the interaction between the internal network and the external network of a hospital, if a certain external network service A needs to acquire the department information of the hospital, the data request and transmission process from the external network to the internal network is as follows: firstly, a service A acquires ApToken of the service from a unified authentication center 2 through an extranet service module 1; the service A transmits corresponding parameters according to interface requirements of the hospital for acquiring department information, and brings AppToken into an HTTP request header; the unified authentication center 2 will first determine whether the service a has the authority or capability related to the acquisition of the department information interface, and if the authority has no problem, will transmit the request to the anomaly detection module 3; the anomaly detection module 3 judges whether the request and the parameters of the service A are legal requests or not, and performs log collection on the request, and if the request is legal, the request is transmitted to a front-end processor 5 of the hospital; the front-end processor 5 transmits the data into an intranet service module 6 of a hospital after processing, and department information is obtained; department information is returned to the external network service module 1 on the way, and the service A acquires the department information of the hospital;
if the hospital service B needs to call an external network payment interface, the data request and transmission process from the internal network to the external network is as follows: firstly, service B acquires ApToken of the service from the unified authentication center 2 through the intranet service module 6; the service B transmits corresponding parameters and brings the AppToken into an HTTP request header; the unified authentication center 2 will first judge whether the service B has the related authority or capability of the extranet payment interface, if the authority has no problem, the request will be transmitted to the anomaly detection module 3; the anomaly detection module 3 judges whether the request and the parameters of the service A are legal requests or not, and performs log collection on the request, and if the request is legal, the request is transmitted to the data conversion module 4; the data conversion module 4 converts the data into parameters required by an external network payment interface and transmits the parameters to the front-end processor 5 of the hospital; after processing, the front-end processor 5 transmits the data into an external network payment interface for payment processing; the payment result is returned to the service B, and the service B performs relevant processing on the returned result.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides an intranet and extranet data transmission system, includes extranet service module (1), unified authentication center (2), anomaly detection module (3), data conversion module (4), front-end processor (5) and intranet service module (6), its characterized in that: the unified authentication center (2) is respectively in data connection with the extranet service module (1), the abnormity detection module (3) and the intranet service module (6), the abnormity detection module (3) is respectively in data connection with the data conversion module (4) and the front-end processor (5), and the data conversion module (4) is in data connection with the front-end processor (5).
2. An intranet and extranet data transmission system according to claim 1, wherein: the external network service module (1) is used for requesting internal network data and returning external network request data.
3. An intranet and extranet data transmission system according to claim 1, wherein: the uniform authentication center (2) is used for issuing an authentication token and verifying, authorizing and authenticating an internal and external network request; the authentication token includes a unique authentication identifier AppId, an authentication time AccessTime, an expiration time ExpirationTime, and other necessary content Context.
4. An intranet and extranet data transmission system according to claim 1, wherein: the anomaly detection module (3) is used for carrying out anomaly detection on the internal and external network requests and carrying out related processing on the anomaly requests, the anomaly detection module (3) comprises a request processing unit (30) and a log processing unit (31), and the request processing unit (30) is used for identifying network data with abnormal behaviors in the request data according to an anomaly detection algorithm; the log processing unit (31) is used for logging requests of the internal network and the external network when the requests are received, and classifying and sorting the requests based on the logging information.
5. An intranet and extranet data transmission system according to claim 4, wherein: the request processing unit (30) analyzes and arranges the requests into the following four types based on the GBIE classification mode by utilizing an artificial intelligence model: g, good request; b, a bad request; i, request is not determined; e, rejecting the request, predicting the request time and the request result by an anomaly detection algorithm according to the actual situation, and classifying the request; the artificial intelligence model identifies abnormal data according to the following four abnormality detection methods: the numerical outliers method, Z-Score, DBSCA, and the isolated forest method.
6. An intranet and extranet data transmission system according to claim 1, wherein: the front-end processor (5) is used for isolating the internal and external network requests and transmitting the original data in the form of ferry files.
7. An intranet and extranet data transmission system according to claim 1, wherein: the data conversion module (4) is used for cleaning intranet request data and converting the data into data required by a downstream interface, the data conversion module (4) comprises a format verification unit (40) and a data conversion unit (41), and the format verification unit (40) is used for carrying out format verification on the downstream request data; and the data conversion unit (41) is used for converting the format of the data with unqualified format verification and sorting the data into the data required by the downstream interface.
8. An intranet and extranet data transmission system according to claim 7, wherein: the format verification unit (40) comprises a first verification unit (400) and a second verification unit (401), wherein the first verification unit (400) is used for directly judging the interface parameters and giving a verification result; the second verification unit (401) is configured to classify the interface parameters according to preset interface fields, and perform exception judgment on the interface based on preset items, where the preset items include request addresses, request parameters, return parameters, and health check addresses, and the second verification unit (401) obtains whether the interface is abnormal or changed according to the health check addresses.
9. An intranet and extranet data transmission system according to claim 1, wherein: the intranet service module (6) is used for requesting the intranet data and returning the intranet request data.
10. A data transmission method of an internal and external network data transmission system comprises the steps that an internal network transmits data to an external network; step two, the external network transmits data to the internal network; the method is characterized in that:
wherein the first step comprises the following steps:
1.1 the external network service module (1) acquires a corresponding unified authentication token from the unified authentication center (2) and stores the token by itself;
1.2 the external network service module (1) initiates a request with the acquired unified authentication token, and the unified authentication center (2) verifies and authenticates the token;
1.3, uniformly sending the request verified by the unified authentication center (2) to an anomaly detection module (3), recording the request log by the anomaly detection module (3), processing the request in a GBIE mode, and sending the request to a front-end processor (5);
1.4, the request is processed by a front-end processor (5) and then is sent to a hospital intranet system;
wherein in the second step, the method comprises the following steps:
2.1 the intranet service module (6) obtains the corresponding unified authentication token from the unified authentication center (2) and stores the token by itself;
2.2 the intranet service module (6) takes the obtained unified authentication token to initiate a request, and the unified authentication center (2) verifies and authenticates the token;
2.3, uniformly sending the request verified by the uniform authentication center (2) to an abnormality detection module (3), recording the request log by the abnormality detection module (3), processing the request in a GBIE mode, and sending the request to a data conversion unit (41);
2.4, the data conversion unit (41) converts the data into data content required by the extranet service according to preset specific parameters;
2.5 the request is processed by the front-end processor (5) and then sent to the external network system.
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| CN116545706A (en) * | 2023-05-15 | 2023-08-04 | 合芯科技(苏州)有限公司 | Data security transmission control system, method and device and electronic equipment |
| CN116545706B (en) * | 2023-05-15 | 2024-01-23 | 合芯科技(苏州)有限公司 | Data security transmission control system, method and device and electronic equipment |
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