CN111814183A - Financial real-time wind control system and method based on network layer message analysis - Google Patents
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Abstract
The invention discloses a financial real-time wind control system and method based on network layer message analysis, wherein the system comprises a network layer message analysis subsystem and a financial wind control subsystem; the network message analysis subsystem comprises: the system comprises a message acquisition module, a message distribution module, a message processing module and a rule server; the financial real-time wind control subsystem comprises: the index processing module is used for carrying out index processing on the message from the message processing module according to a preset message processing rule to obtain index information corresponding to the message; the early warning analysis module is used for carrying out early warning analysis on the message index information obtained by analysis, judging whether early warning is needed or not, and pushing an early warning instruction to the real-time early warning module when early warning is needed; and the real-time early warning module carries out risk early warning when receiving the early warning instruction. The invention compresses the time consumption from the network layer to the application layer, is beneficial to the financial wind control subsystem to acquire data in time for analysis and risk control early warning, and further reduces the risk of the financial system.
Description
Technical Field
The invention relates to the field of financial wind control, in particular to a financial real-time wind control system and method based on network layer message analysis.
Background
Real-time application of big data is increasing, and the application of big data comprises fields such as real-time wind control, customer discovery, accurate marketing, business monitoring. How to improve the real-time aging as much as possible and complete the calculation and analysis within the range of milliseconds is a concern. At present, most of real-time calculation is based on application processing, including real-time extraction from a database of a service system, database synchronization technology such as DSG/OGG, and the like, or log synchronization technology, which are all realized at an application layer. The transition from the network layer to the application layer is still time consuming.
In the financial wind control field, the requirement on time is stricter, and if information acquisition cannot be carried out in time, risk control early warning cannot be carried out in time, so that the risk of a financial system can be increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a financial real-time wind control system and method based on network layer message analysis, which compress the time consumption from a network layer to an application layer, perform index processing, early warning analysis and risk control early warning based on the processed messages, are beneficial to timely or abnormal conditions in a financial system, and reduce the risk of the financial system.
The purpose of the invention is realized by the following technical scheme: a financial real-time wind control system based on network layer message analysis comprises a network layer message analysis subsystem and a financial wind control subsystem;
the network message analysis subsystem comprises:
the message acquisition module is used for collecting link layer data packets from a network equipment driving program, filtering the collected data packets according to a predefined rule, and transmitting the filtered data to the message distribution module;
the message distribution module screens and filters the messages needing to be applied in a white list configuration definition mode and then distributes and processes the messages;
the message processing module is used for performing distributed processing on the message data from the message distribution module, sequentially completing message protocol identification, message type identification, protocol distribution, message analysis, message pairing, message encryption and decryption, message desensitization and message assembly on the message data, and transmitting the assembled message to the financial wind control subsystem;
the rule server is used for configuring corresponding data processing rules for the message acquisition module and the message processing module;
the financial real-time wind control subsystem comprises:
the index processing module is used for carrying out index processing on each message from the message processing module according to a preset message processing rule to obtain index information corresponding to the message;
the early warning analysis module is used for carrying out early warning analysis on the message index information obtained by analysis, judging whether early warning is needed or not, and pushing an early warning instruction to the real-time early warning module when the early warning is needed;
and the real-time early warning module is used for carrying out risk early warning when the early warning instruction is received.
A financial real-time wind control method based on network layer message analysis comprises the following steps:
s1, pre-configuring a screening filtering rule, an encryption and decryption rule, an association rule and a replacement rule in a rule server;
s2, collecting link layer data packets from a network equipment driving program by using a message acquisition module, filtering the collected data packets according to a predefined rule, and transmitting the filtered data to a message distribution module;
s3, the message distribution module utilizes the screening and filtering rules in the rule server to screen and filter the data from the message distribution module to obtain the message to be applied, and then the message is distributed;
s4, the message processing module performs distributed processing on the message data from the message distribution module, and sequentially completes message protocol identification, message type identification, protocol distribution, message analysis, message pairing, message encryption and decryption, message desensitization and message assembly on the message data;
s5, the index processing module performs index processing on each message output by the message processing module according to a preset message processing rule to obtain index information corresponding to the message;
s6, the early warning analysis module carries out early warning analysis on the message index information obtained by analysis, judges whether early warning is needed or not, and pushes an early warning instruction to the real-time early warning module when the early warning is needed;
and S7, the real-time early warning module carries out risk early warning when receiving the early warning instruction.
The invention has the beneficial effects that: the invention directly analyzes and recombines the needed service message and index from the communication message, compresses the time consumption from the network layer to the application layer, applies the distributed processing design and the concurrent processing, further compresses the message processing time, and carries out index processing, early warning analysis and risk control early warning based on the processed message, thereby being beneficial to timely or abnormal conditions in the financial system and reducing the risk of the financial system.
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FIG. 1 is a schematic block diagram of the system of the present invention;
FIG. 2 is a flow chart of the method of the present invention.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1, a financial real-time wind control system based on network layer message parsing includes a network layer message parsing subsystem and a financial wind control subsystem;
the network message analysis subsystem comprises:
the message acquisition module is used for collecting link layer data packets from a network equipment driving program, filtering the collected data packets according to a predefined rule, and transmitting the filtered data to the message distribution module;
in the embodiment of the application, the message acquisition module acquires a message by adopting a PCAP packet capturing and comprises a network tapping unit and a BPF filter; the network tapping unit is used for adding a bypass process in a data link layer, obtaining a copy of a data packet from a link layer driver by using a created Socket when the data packet reaches a network interface, and sending the data packet to the BPF filter through a Tap function; the BPF filter is used for matching the data packets one by one according to the predefined filtering rule, if the matching is successful, the data packets are put into a kernel buffer area and transmitted to the message distribution module, and if the matching is failed, the data packets are directly discarded.
The message distribution module screens and filters the messages needing to be applied in a white list configuration definition mode and then distributes and processes the messages;
in an embodiment of the present application, the message distribution module includes: the white list filtering unit is used for screening and filtering the data output by the message acquisition module in a white list configuration mode to obtain a required application message; the task distribution unit is used for distributing and processing the message: and (4) taking two factors of importance and urgency and weight design into consideration, and carrying out hash distribution on the whole message to be sent by using a hash algorithm on the premise of meeting the application importance and urgency.
The message processing module is used for performing distributed processing on the message data from the message distribution module, sequentially completing message protocol identification, message type identification, protocol distribution, message analysis, message pairing, message encryption and decryption, message desensitization and message assembly on the message data, and transmitting the assembled message to the financial wind control subsystem;
in an embodiment of the present application, the message processing module includes: the protocol identification unit is used for identifying a communication protocol of the received message, wherein the communication protocol comprises a TCP (transmission control protocol), a UDP (user datagram protocol), an HTTP (hyper text transport protocol) or an HTTPS (hypertext transfer protocol); the type identification unit is used for identifying an organization structure of message contents of the received message, wherein the organization structure comprises ISO8583, Json, XML, SOP or SOAP; the protocol shunting unit is used for constructing a message interface specification knowledge base and constructing the message interface specification of the known message in the knowledge base according to the format; according to the identified message communication protocol and message type, searching a corresponding message interface standard format in a message interface standard knowledge base, so that message with different formats are subjected to shunting operation; the protocol analysis unit is used for constructing analyzers corresponding to different message interface standard formats, loading the corresponding analyzers according to the message interface standard formats after receiving the shunted messages, and analyzing the content of the attribute information of each domain of the messages to obtain structured message data, wherein the attribute information comprises domain names, domain data types and domain lengths; the message pairing unit is used for matching the associated request and response messages in the structured message data into pairs; the message encryption and decryption unit is used for connecting the encryption machine to carry out encryption and decryption operations on key domains in the matched pair of messages; the message desensitization unit is used for desensitizing sensitive information in the encrypted and decrypted message; and the message assembling unit is used for assembling the desensitized structured messages into a new message data packet.
The rule server is used for configuring corresponding data processing rules for the message acquisition module and the message processing module;
in an embodiment of the application, the rule server includes: a filtering rule configuration unit, configured to configure a filtering rule for the message distribution module, where the filtering rule includes a white list configuration; the encryption and decryption rule configuration unit is used for configuring encryption and decryption rules for the data processing module so that the data processing module can carry out encryption and decryption operations according to the configuration rules; the management rule configuration unit is used for configuring association rules of the request and the response messages so as to facilitate the data processing module to carry out message pairing; the replacement rule configuration unit is used for configuring the sensitive information and the corresponding replacement rule so as to be convenient for the data processing module to determine the sensitive information in the message when carrying out desensitization processing and replace the sensitive information by using the corresponding replacement rule so as to realize desensitization processing;
the financial real-time wind control subsystem comprises:
the index processing module is used for carrying out index processing on each message from the message processing module according to a preset message processing rule to obtain index information corresponding to the message;
the early warning analysis module is used for carrying out early warning analysis on the message index information obtained by analysis, judging whether early warning is needed or not, and pushing an early warning instruction to the real-time early warning module when the early warning is needed;
and the real-time early warning module is used for carrying out risk early warning when the early warning instruction is received.
In an embodiment of the application, the network message parsing subsystem further includes a message storage module, configured to store a message obtained by processing by the message processing module.
The index processing module includes:
the rule setting unit is used for setting a message processing rule for processing the message to obtain index information corresponding to the message;
and the index processing unit is used for performing index processing on each message from the message processing module according to the set message processing rule to obtain index information corresponding to the message.
The early warning analysis module comprises one of an early warning rule analysis unit or a machine learning classification unit;
the early warning rule analysis unit is used for setting an early warning analysis rule of an index, analyzing the index information of the message according to the set early warning analysis rule, judging whether early warning is needed or not, and generating an early warning instruction to push the early warning instruction to the real-time early warning module when the early warning is needed;
and the machine learning classification unit is used for training an early warning classifier for obtaining index information by utilizing a machine learning mode, sending the index information of the message into the early warning classifier obtained by training, judging whether early warning is needed or not according to output information of the classifier, and generating an early warning instruction to push the early warning instruction to the real-time early warning module when early warning is needed.
When the early warning classifier of index information is trained in a machine learning mode, firstly, a large amount of message index information needs to be collected, each piece of message index information is manually marked to form a training set of the early warning classifier, wherein the mark is generally '0' or '1', and respectively represents 'normal (no early warning needed)' or 'abnormal (early warning needed)', then each piece of message index information in the training set is used as the input of the early warning classifier, and the mark corresponding to the index information is used as the output of the early warning classifier to train the early warning classifier; after training is finished, the method can be used for classifying message index information: for example, the message index information to be analyzed is input into the classifier, if the classifier outputs 0, no early warning is needed, if the classifier outputs 1, early warning is needed, and at this time, an early warning instruction is generated and pushed to the real-time early warning module.
In the embodiment of the application, the early warning mode of the real-time early warning module comprises one or more of short message early warning notification, mail early warning notification and on-site early warning notification.
As shown in fig. 2, a financial real-time wind control method based on network layer message parsing includes the following steps:
s1, pre-configuring a screening filtering rule, an encryption and decryption rule, an association rule and a replacement rule in a rule server;
s2, collecting link layer data packets from a network equipment driving program by using a message acquisition module, filtering the collected data packets according to a predefined rule, and transmitting the filtered data to a message distribution module;
s3, the message distribution module utilizes the screening and filtering rules in the rule server to screen and filter the data from the message distribution module to obtain the message to be applied, and then the message is distributed;
s4, the message processing module performs distributed processing on the message data from the message distribution module, and completes message protocol identification, message type identification, protocol distribution, message analysis, message pairing, message encryption and decryption, message desensitization and message assembly on the message data in sequence, specifically:
carrying out communication protocol identification on the received message;
carrying out message content organization structure identification on the received message;
constructing a knowledge base of message interface specifications, and constructing the message interface specifications of known messages in the knowledge base according to formats; according to the identified message communication protocol and message type, searching a corresponding message interface standard format in a message interface standard knowledge base, so that message with different formats are subjected to shunting operation;
building resolvers corresponding to different message interface standard formats, loading the corresponding resolvers according to the message interface standard formats after receiving the shunted messages, and carrying out content resolution on attribute information of each domain of the messages to obtain structured message data;
matching the associated request and response messages in the structured message data into pairs according to the association rule in the rule server;
connecting an encryption machine to perform encryption and decryption operations on key domains in the matched pair of messages according to encryption and decryption rules in the rule server;
desensitizing the sensitive information in the encrypted and decrypted message according to the sensitive information in the rule server and the corresponding replacement rule;
and assembling the desensitized structured messages into a new message data packet.
S5, the index processing module performs index processing on each message output by the message processing module according to a preset message processing rule to obtain index information corresponding to the message;
s6, the early warning analysis module carries out early warning analysis on the message index information obtained by analysis, judges whether early warning is needed or not, and pushes an early warning instruction to the real-time early warning module when the early warning is needed;
and S7, the real-time early warning module carries out risk early warning when receiving the early warning instruction.
In summary, the invention directly analyzes and recombines the required service message and index from the communication message, compresses the time consumption from the network layer to the application layer, applies the distributed processing design and the concurrent processing, further compresses the message processing time, and carries out index processing, early warning analysis and risk control early warning based on the processed message, thereby being beneficial to timely or abnormal conditions in the financial system and reducing the risk of the financial system.
The foregoing is a preferred embodiment of the present invention, it is to be understood that the invention is not limited to the form disclosed herein, but is not to be construed as excluding other embodiments, and is capable of other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A financial real-time wind control system based on network layer message parsing is characterized in that: the system comprises a network layer message analysis subsystem and a financial wind control subsystem;
the network message analysis subsystem comprises:
the message acquisition module is used for collecting link layer data packets from a network equipment driving program, filtering the collected data packets according to a predefined rule, and transmitting the filtered data to the message distribution module;
the message distribution module screens and filters the messages needing to be applied in a white list configuration definition mode and then distributes and processes the messages;
the message processing module is used for performing distributed processing on the message data from the message distribution module, sequentially completing message protocol identification, message type identification, protocol distribution, message analysis, message pairing, message encryption and decryption, message desensitization and message assembly on the message data, and transmitting the assembled message to the financial wind control subsystem;
the rule server is used for configuring corresponding data processing rules for the message acquisition module and the message processing module;
the financial real-time wind control subsystem comprises:
the index processing module is used for carrying out index processing on each message from the message processing module according to a preset message processing rule to obtain index information corresponding to the message;
the early warning analysis module is used for carrying out early warning analysis on the message index information obtained by analysis, judging whether early warning is needed or not, and pushing an early warning instruction to the real-time early warning module when the early warning is needed;
and the real-time early warning module is used for carrying out risk early warning when the early warning instruction is received.
2. The financial real-time wind control system based on network layer message parsing according to claim 1, characterized in that: the network message analysis subsystem also comprises a message storage module used for storing the message processed by the message processing module.
3. The financial real-time wind control system based on network layer message parsing according to claim 1, characterized in that: the index processing module includes:
the rule setting unit is used for setting a message processing rule for processing the message to obtain index information corresponding to the message;
and the index processing unit is used for performing index processing on each message from the message processing module according to the set message processing rule to obtain index information corresponding to the message.
4. The financial real-time wind control system based on network layer message parsing according to claim 1, characterized in that: the early warning analysis module comprises one of an early warning rule analysis unit or a machine learning classification unit;
the early warning rule analysis unit is used for setting an early warning analysis rule of an index, analyzing the index information of the message according to the set early warning analysis rule, judging whether early warning is needed or not, and generating an early warning instruction to push the early warning instruction to the real-time early warning module when the early warning is needed;
and the machine learning classification unit is used for training an early warning classifier for obtaining index information by utilizing a machine learning mode, sending the index information of the message into the early warning classifier obtained by training, judging whether early warning is needed or not according to output information of the classifier, and generating an early warning instruction to push the early warning instruction to the real-time early warning module when early warning is needed.
5. The financial real-time wind control system based on network layer message parsing according to claim 1, characterized in that: the early warning mode of the real-time early warning module comprises one or more of short message early warning notice, mail early warning notice and on-site early warning notice.
6. A financial real-time wind control method based on network layer message analysis, which adopts the system of any one of claims 1-5, and is characterized in that: the method comprises the following steps:
s1, pre-configuring a screening filtering rule, an encryption and decryption rule, an association rule and a replacement rule in a rule server;
s2, collecting link layer data packets from a network equipment driving program by using a message acquisition module, filtering the collected data packets according to a predefined rule, and transmitting the filtered data to a message distribution module;
s3, the message distribution module utilizes the screening and filtering rules in the rule server to screen and filter the data from the message distribution module to obtain the message to be applied, and then the message is distributed;
s4, the message processing module performs distributed processing on the message data from the message distribution module, and sequentially completes message protocol identification, message type identification, protocol distribution, message analysis, message pairing, message encryption and decryption, message desensitization and message assembly on the message data;
s5, the index processing module performs index processing on each message output by the message processing module according to a preset message processing rule to obtain index information corresponding to the message;
s6, the early warning analysis module carries out early warning analysis on the message index information obtained by analysis, judges whether early warning is needed or not, and pushes an early warning instruction to the real-time early warning module when the early warning is needed;
and S7, the real-time early warning module carries out risk early warning when receiving the early warning instruction.
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