CN106453336A - Method for actively providing extranet host invoking service by intranet - Google Patents

Method for actively providing extranet host invoking service by intranet Download PDF

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Publication number
CN106453336A
CN106453336A CN201610915145.3A CN201610915145A CN106453336A CN 106453336 A CN106453336 A CN 106453336A CN 201610915145 A CN201610915145 A CN 201610915145A CN 106453336 A CN106453336 A CN 106453336A
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CN
China
Prior art keywords
intranet
main frame
outer net
net main
host
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Granted
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CN201610915145.3A
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Chinese (zh)
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CN106453336B (en
Inventor
吴建强
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Hangzhou Fu Jia Technology Co Ltd
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Hangzhou Fu Jia Technology Co Ltd
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Priority to CN201911220507.7A priority Critical patent/CN111131173B/en
Priority to CN201911220506.2A priority patent/CN111131172B/en
Priority to CN201610915145.3A priority patent/CN106453336B/en
Publication of CN106453336A publication Critical patent/CN106453336A/en
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Publication of CN106453336B publication Critical patent/CN106453336B/en
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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
    • 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
    • H04L63/1458—Denial of Service
    • 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
    • H04L67/14—Session management
    • 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
    • H04L67/14—Session management
    • H04L67/141—Setup of application sessions
    • 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
    • H04L67/56—Provisioning of proxy services
    • H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Computer And Data Communications (AREA)

Abstract

The invention discloses a method for actively providing an extranet host invoking service by an intranet. The system according to the method comprises an intranet host and an extranet host. The extranet host is provided with a monitoring feedback module. When the intranet host transmits connectable data packets to the extranet host and adds connectable records to a network connection pool and the extranet host acquires the connectable data packets and selects available connection from the network connection pool, the intranet host and the extranet host establish network communication. According to the method for actively providing the extranet host invoking service by the intranet, data and information real-time exchange of the intranet and the extranet under the security requirements can be realized.

Description

A kind of Intranet actively provides the method that outer net main frame calls service
Technical field
The present invention relates in the Internet between gateway Intranet and outer net messaging field, particularly Intranet and outer net it Between be passed through in real time Intranet active transmission message transmission.
Background technology
With the continuous development of Internet technology, the Internet has penetrated into social life as infrastructure Various aspects, become public announcement, obtain one of main path of information.In addition, as ecommerce, cloud computing etc. are interconnected The rise of net application and development, the Internet is progressively developing into a basis with open Distributed Calculation function and is setting Apply.But the opening having due to internet environment and complexity so that with Web application as representative based on the Internet The safety of application receives unprecedented threat, although a lot of mechanisms employ fire wall, intruding detection system, invade and prevent The measure such as the protection tools such as imperial system and safer cryptography guarantees work carrying out safety, but the attack of the Internet Report still emerges in an endless stream so that mechanisms at different levels are heavy to the safety suspicion of the Internet.
At present, the high safety network of some special institutional sectors or enterprises and institutions' technology and other lower security networks it Between carry out data exchange demand increasingly apparent, for security consideration, in order to ensure the safety of sensitive data information, prevent in Sensitive information on portion's server is compromised, distort, destroy, monitoring or by virus attack, generally using " physical isolation " side Formula, i.e., arranged two servers in internal system, so that in-house network is not directly or indirectly connected with public network, but logic phase Even.This means network packet can not from a network flow to computer on another network, and trustable network and Computer on unreliable network never has actual connection.With increasing for business, the expansion of data volume, in internal, external network Between set up one and both met " physical isolation " safety requirements, equipment or the solution of data exchange can be carried out again, become perhaps The how research topic of special institutional sector or enterprises and institutions' technology.
Nowadays, domestic when processing the information between two different networks of level of security and exchanging, only allow manager from Trust network (Intranet) side is managed to safety isolation network gate, and this way to manage causes related data information believe Appoint network internal operation or call, do not allow " in the way of extranet access Intranet " to carry out, this has just completely cut through level of security The information of relatively low network (outer net) network (Intranet) high to level of security call demand, not only cause information updating stagnant Afterwards, and the asymmetric of the inter-sectional information of each docking is caused, has a strong impact on work efficiency.
Content of the invention
The present invention is directed to above-mentioned problem, there is provided a kind of Intranet actively provides the method that outer net main frame calls service, should Method makes outer net and the data of Intranet start timely information transmission by way of Intranet actively initiates connection signal first.
In order to solve above-mentioned technical problem, the technical scheme of this name is as follows：
A kind of Intranet actively provides the method that outer net main frame calls service, including intranet host and outer net main frame, described outer Host's machine is provided with monitoring feedback module；When the outside host's machine of the intranet host send can connection packet, and to network even Connect pond add can after linkage record, outer net main frame obtain can connection packet, and after choosing available connection from network connection pond, Intranet host sets up network communication with outer net main frame.
Further, the intranet host is set up after network communication with outer net main frame, and outer net main frame sends the number of agreement According to bag to intranet host, intranet host gets dissection process after packet, and the data protocol by required result, sends out Give outer net main frame.
Further, the intranet host predefines the method property set of security invocation, and methods described attribute includes ginseng Several classes of type and parameter value.
Further, the outer net main frame sends the packet of agreement, including meeting the predefined safety of intranet host Method attribute, method parameter and the user profile that calls.
Further, the intranet host is provided with caching mechanism, and intranet host exists multiple within process certain time During the packet that identical outer net main frame sends, the first time result that directly return intranet host has been cached is to the outer net Main frame.
Further, the intranet host is from outer net main frame in the different network segments.
Further, actively can send at any time can connection packet for the intranet host.
Further, Intranet connection can be initiated multiple connection packets simultaneously and is connected with multiple outer net main frames.
Further, the connection pool can arrange maximum number of connections, Smallest connection number and idle connection number.
Further, after the outer net main frame has obtained the packet of all intranet hosts, network linking is given back Connection pool, connection pool unification arranges to reuse or destroy this connection.
Advantage is the present invention compared to existing technology：
1, the mode of the passive transmission message of tradition is that intranet server monitors serve port, passively waits client to send net Network request is simultaneously corresponding, now Intranet serve port be an exposure to outer, easily under attack；And the active mode of the present invention is Intranet server does not monitor any serve port, is actively connected by intranet server, then it is simultaneously corresponding to receive client request.This Under the pattern of kind, as intranet server does not expose any port, therefore completeness is high.
2, if subjected to refusal service (DDoS) attack in the mode of the passive transmission message of tradition, then it will be unable to continue Or continuously provide service to client.And the present invention is active, service (DDoS) attack is never denied, can Continuous persistent service is provided.
3, traditional passive type service is subject to the connection of deception formula and attacks, and active service of the present invention is because actively carry Connect for particular clients, it is impossible to cheat.
4, connect number using maximum number of connections, Smallest connection number and free time is arranged automatically so that the accessed amount of control, it is to avoid By malicious attack server, and because the setting of idle connection, it is ensured that the access energy quick response in new connection.
5, the connection unification of intranet and extranet is destroyed and is reused, and reduces redundancy.
Description of the drawings
Fig. 1 actively provides, for a kind of Intranet of the present invention, the flow chart that outer net main frame calls the method for service；
Fig. 2 actively provides, for a kind of Intranet of the present invention, the structural representation that outer net main frame calls the method for service；
Fig. 3 actively provides the data of the intranet and extranet main frame of the method that outer net main frame calls service and passes for a kind of Intranet of the present invention Defeated schematic diagram.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of Intranet actively provides the method that outer net main frame calls service, including intranet host and outer host Machine, the intranet host is from outer net main frame in the different network segments.The outer net main frame is provided with monitoring feedback module, and Intranet Main frame is not provided with monitoring feedback module；When the outside host's machine of the intranet host send can connection packet when, and can be to network Connection pool add can linkage record (not shown), connection pool can arrange maximum number of connections, Smallest connection number and idle connection Number, is limited the access of malice with this and is ensured by idle connection number, is had when there is new user's connection to come in enough logical Road is provided and accesses connection.Because outer net main frame is provided with monitoring feedback module so that outer net main frame can know immediately that and can enter Row Intranet accesses connection.Outer net main frame in the case of needing to access, by connection pool obtain can connection packet, now Intranet Corresponding intranet host can learn whether successful connection automatically, and now intranet host sets up network communication with outer net main frame.If Intranet host has not learned that outer net main frame is connected with oneself, then voluntarily select to be off service and terminate, and being also to continue with transmission can connect Packet is connect, waits the access of outer net main frame.The intranet host actively can send at any time can connection packet, and with This to provide connected reference for outer net main frame, and intranet host is to initiate multiple connection packets, outer with multiple respectively Host's machine connects.
After setting up network communication, outer net main frame waits the service requesting information of user, when the business for obtaining user input please Seek information.As shown in figure 3, then the communication module by outer net main frame is wherein counted sending the packet of agreement to intranet host According to including the method attribute, method parameter and the user profile that meet the predefined security invocation of intranet host.Intranet host After getting packet, dissection process is carried out according to the method property set for predefining security invocation, methods described attribute includes Parameter type and parameter value.The data protocol of required result is sent service response to outer net main frame by intranet host.Outward The content that host's machine is received and processing business is responded, after outer net main frame has obtained the packet of all intranet hosts, by net Connection pool is given back in network link, arranges to reuse or destroy this connection by connection pool unification, to reduce redundancy.Outer net main frame is then just After beginningization network, waiting customer service next time to access, then goes connection to be obtained from connection pool.If intranet host untreated become The service request that work(outer net main frame is proposed, will return corresponding abnormality processing result and be sent to outer net main frame.
Further as optimizing, the intranet host is provided with caching mechanism, and intranet host was processed in certain time Exist the transmission of multiple identical outer net main frame packet when, directly return first time result that intranet host cached to The outer net main frame.This will be substantially improved the speed of response, to user with faster and better experience.
As shown in Fig. 2 private network to public internet transmission information interact when, as outer net main frame, simply Intranet The user that main frame is come in access by public internet in acquisition, non-user-specific does not have the method attribute of corresponding security invocation Collection, will not provide corresponding response message.Public internet come in access user, only have sent band intranet host predefine Security invocation method attribute, method parameter and user profile agreement packet, can just set up corresponding sound Answer information.Typically verified by the username and password of user, can also pass through the equipment such as corresponding net shield, in equipment The response message that puts to provide checking to Intranet, decides whether to respond the access of user with this Intranet.
As shown in figure 3, the intranet host and outer net main frame all include business module and communication module.In the company of not set up When connecing, intranet host can initiate process A1 first by business module, and the communication module to intranet host simultaneously sets up A2 process, by A2 The communication module of the outside host's machine of process sends can connection packet.The communication module of outer net main frame is received the number by A3 process According to bag, and decide whether as needed to initiate connection request.When needing to initiate connection request, the business module of outer net main frame is just Start B1 process, information is passed to the communication module of outer net main frame, and line module initiation process B2 is combined, by security invocation The packet of the agreement of method attribute, method parameter and user profile is sent to the transmission mould in the communication module of intranet host Block, transport module is initiated process B3 and to delivery module and starts B4 process, and the data that outer net main frame is sent are to intranet host Business module, the business module by intranet host deciding whether to respond the information, and successively by former road set up B5, B6, B7, B8 process carrys out feedback response message.
Embodiment 1：
In outer host's machine, tax administration person needs to be connected to tax bureau's intraoffice network inquiry " this month tax revenue receipts at the Internet end Enter statistical table ".Now to first confirm to be input into the corresponding logon information of user, system searches the addressable tax bureau by connection pool Intranet host, if obtained successfully, sets up communication connection.If without addressable tax bureau's intranet host in connection pool Connected mode, can only wait, inaccessible information accordingly to be inquired about.Tax administration person passes through the successful connection of the Internet end, builds After vertical communication, corresponding content to be inquired about can be input into, " this month tax revenues statistics to be obtained to tax bureau's intranet host Table ".The content meeting of input inquiry and the user profile for logging in, password pass through AES encryption algorithm together, and the information after encryption is led to The line module for crossing outer net main frame is transferred to the transport module of tax bureau's intranet host, then the transmission mould by tax bureau's intranet host Block transmits information to delivery module and is decrypted.Because tax administration person is only inquired about, therefore can only access tax intraoffice network master The read-only data storehouse of machine, inquires about the corresponding business datum for authorizing.The information that inquires about is passed through delivery module by tax bureau's intranet host AES encryption algorithm for encryption is carried out, and transport module is transferred to, feed back information to corresponding outer net main frame.Outer net main frame passes through Line module gets feedack, and after being decrypted, feeds back to the business module of outer net main frame, presents to be inquired about " this month tax revenues statistical table ".Outer net main frame no other service request, and to obtain all business information to be inquired about, outer net Main frame can give back connected mode to connection pool.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art Member, without departing from the inventive concept of the premise, can also make some improvements and modifications, and these improvements and modifications also should be regarded as In the scope of the present invention.

Claims (10)

1. a kind of Intranet actively provides the method that outer net main frame calls service, it is characterised in that including intranet host and outer host Machine, the outer net main frame is provided with monitoring feedback module；When the outside host's machine of the intranet host send can connection packet, and To network connection pond add can after linkage record, outer net main frame obtain can connection packet, and choose from network connection pond can After connection, intranet host sets up network communication with outer net main frame.
2. a kind of Intranet according to claim 1 actively provides the method that outer net main frame calls service, it is characterised in that institute State intranet host to set up after network communication with outer net main frame, outer net main frame sends the packet of agreement to intranet host, Intranet Main frame gets dissection process after packet, and the data protocol by required result, is sent to outer net main frame.
3. a kind of Intranet according to claim 2 actively provides the method that outer net main frame calls service, it is characterised in that institute The method property set that intranet host predefines security invocation is stated, methods described attribute includes parameter type and parameter value.
4. a kind of Intranet according to claim 3 actively provides the method that outer net main frame calls service, it is characterised in that institute The packet that outer net main frame sends agreement is stated, including meeting method attribute, the method for the predefined security invocation of intranet host Parameter and user profile.
5. a kind of Intranet according to claim 2 actively provides the method that outer net main frame calls service, it is characterised in that institute State intranet host and caching mechanism is provided with, intranet host has the transmission of multiple identical outer net main frame within process certain time During packet, the first time result that directly return intranet host has been cached is to the outer net main frame.
6. a kind of Intranet according to claim 1 or claim 2 actively provides the method that outer net main frame calls service, its It is characterised by, the intranet host is from outer net main frame in the different network segments.
7. a kind of Intranet according to claim 1 actively provides the method that outer net main frame calls service, it is characterised in that institute Stating that intranet host actively can be sent at any time can connection packet.
8. a kind of Intranet according to claim 1 actively provides the method that outer net main frame calls service, it is characterised in that institute State Intranet connection to be connected while initiating multiple connection packets with multiple outer net main frames.
9. a kind of Intranet according to claim 1 actively provides the method that outer net main frame calls service, it is characterised in that institute State connection pool and maximum number of connections, Smallest connection number and idle connection number can be set.
10. a kind of Intranet according to claim 1 actively provides the method that outer net main frame calls service, it is characterised in that After the outer net main frame has obtained the packet of all intranet hosts, network linking is given back connection pool, connection pool is unified Arrange to reuse or destroy this connection.
CN201610915145.3A 2016-10-20 2016-10-20 Method for internal network to actively provide external network host calling service Active CN106453336B (en)

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CN201911220507.7A CN111131173B (en) 2016-10-20 2016-10-20 Method for actively providing service by intranet
CN201911220506.2A CN111131172B (en) 2016-10-20 2016-10-20 Method for actively calling service by intranet
CN201610915145.3A CN106453336B (en) 2016-10-20 2016-10-20 Method for internal network to actively provide external network host calling service

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CN111131173B (en) 2022-09-30
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CN111131173A (en) 2020-05-08
CN106453336B (en) 2019-12-10

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