CN101052217B - Automatic mounting method for safety relative agency and relative response system - Google Patents
Automatic mounting method for safety relative agency and relative response system Download PDFInfo
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- CN101052217B CN101052217B CN2006101414832A CN200610141483A CN101052217B CN 101052217 B CN101052217 B CN 101052217B CN 2006101414832 A CN2006101414832 A CN 2006101414832A CN 200610141483 A CN200610141483 A CN 200610141483A CN 101052217 B CN101052217 B CN 101052217B
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Abstract
The method comprises: a) the network side sends a request of detecting the security-correlated agent to the network side; 3) the network side decide if the mobile station can answer the detection request message in order to decide if the mobile station needs to be installed with a security-correlated agent; if yes, the network side triggers the operation for downloading and installing the security-correlated agent.
Description
Technical field
The invention belongs to the communications field, relate in particular to the automatic installation method and the associated response system of security correlative agent.
Background technology
Associated response system (Correlative Reacting System, CRS) be a kind of by the dangerous terminal of control, promptly do not meet the security strategy of network appointment, the access of the terminal of security breaches or infective virus is for example arranged, avoid the mobile network to suffer the system of the security threat of dangerous terminal.CRS controls the network insertion of travelling carriage by the safety interaction of travelling carriage and network side, and the access to its application service simultaneously limits, thereby network and the user of mobile station security immunization power to virus, worm, network attack etc. is provided.
Fig. 1 shows the structure of associated response system, comprise travelling carriage (Mobile Station, MS) security correlative agent of side (Security Correlative Agent, SCA), security association server (Security Correlative Server, SCS) and the network insertion controller that is connected with travelling carriage, SCS (Network Access Controller, NAC) and the application service controller (ApplicationService Controller, ASC).On specific implementation, NAC and ASC can be two independently systems, or two independent functional units in system.A SCS can connect a plurality of NAC/ASC, and a NAC/ASC can control the network insertion/application service of a plurality of travelling carriages.
Secure Application software (Secur ity Application Software, SAS) and SCA all be travelling carriage operating system (Mobile Station Operating System, MSOS) application software, the interface by definition between SCA and SAS and the travelling carriage operating system carries out the bi-directional of information.
SCS is the control unit and the analysis and processing unit of CRS system, is responsible for receiving, analyzes, stores the security information that SCA reports, and carries out association analysis, sends the CRS control command to NAC, ASC or SCA.The SCS database (SCS Database, SDB) the storage security relevant information (Security CorrelativeInformation, SCI), (CRS Security Policy CSP) waits mobile station information and user's control strategy to the CRS security strategy.
NAC is an equipment of realizing network insertion control.SCS by with the interlock of NAC, utilize flow control, limiting access, service quality (Quality of Service, technological means such as QoS), realization is to the restriction of the data total flow of user access network, to prevent that dangerous terminal from taking the unreasonable of Internet resources, stop malice virus in network, to be propagated.For from the applications service provider (ApplicationService Provider, dangerous ISP's ASP) access, CRS also can by with the interlock of NAC, the flow shielding of layer Network Based is provided.
ASC is an equipment of realizing application service control.SCS by with the interlock of ASC, utilizes user's restriction or ban use of technological means such as particular application services, thereby the protection mobile network avoids the security risk that dangerous service brings.For access from the dangerous ISP of outside ASP, CRS also can by with the interlock of ASC, the service shielding based on application layer is provided.
More contents of relevant associated response system are referring to ITU-T SG17X.crs, and " CorrelativeReacting System in mobile data communication system ", the present invention quotes at this, repeats no more.
In the CRS system, SCA utilizes the SCI that collects travelling carriage with the interface of the operating system of travelling carriage and SAS, and the arrangement of responsible SCI, report and with SCS, NAC and ASC between communicate by letter.SCI is the information such as safe condition of travelling carriage operating system and Secure Application software thereof.When travelling carriage SCA or SCA not being installed causes need downloading and installing SCA again from SCS can't operate as normal the time because of reasons such as software damages.Prior art is carried out for downloading and installing all of SCA is manual, or travelling carriage is prefabricated when dispatching from the factory, and the configuration of SCA fixes, and perhaps needs manual configuration, brings very big inconvenience for user's use.
Summary of the invention
The object of the present invention is to provide a kind of installation method and associated response system of security correlative agent, use the problem of very big inconvenience of bringing to the user when being intended to solve the SCA that exists in the prior art and need reinstalling when mobile station side.
The present invention is achieved in that a kind of automatic installation method of security correlative agent, and described method comprises the steps:
A. network side sends the security correlative agent probe request message to travelling carriage;
B. whether network side responds described probe request message according to travelling carriage, judges whether travelling carriage needs to install security correlative agent;
C. when judging that travelling carriage need be installed security correlative agent, trigger travelling carriage execution security correlative agent and download and install operation.
Do not receive the probe response of travelling carriage in timing, perhaps the transmission number of times of security correlative agent probe request message surpasses when setting thresholding, and the judgement travelling carriage need be installed security correlative agent.
Described step C comprises the steps:
C1. the data service request of network side receiving mobile is redirected to described data service request the download address of security correlative agent;
C2. travelling carriage lands the Download Server of described security correlative agent according to the download address of described security correlative agent, downloads and installs corresponding security correlative agent.
Before described step C1, described step C further comprises the steps:
F1. network side is to travelling carriage transmit operation system type probe request message, the OS Type information of acquisition request travelling carriage;
F2. travelling carriage is to network side return system type probe response message, the OS Type information of carrying travelling carriage in the message;
F3. network side is determined the download address of the security correlative agent corresponding with described OS Type information according to the OS Type information of travelling carriage.
Described method further comprises the steps:
When travelling carriage is equipped with security correlative agent and when working properly, the security correlative agent on the travelling carriage extracts and preserve the initializes configuration information in the described probe request message, and returns the security correlative agent probe response message.
Include the announcement information that travelling carriage does not need to install security correlative agent in the described security correlative agent probe response message.
The destination address of described security correlative agent probe request message is the IP unicast address or the multicast address of travelling carriage.
Carry the initializes configuration information of described security correlative agent in the described probe request message, comprise the IP address or the serve port of security association server.
Described network side is network insertion controller or security association server.
The present invention also provides a kind of associated response system, comprise network side and travelling carriage, described network side comprises first message sending/receiving module and the judge module, the described first message sending/receiving module is used for sending the security correlative agent probe request message to described travelling carriage, and is used to receive the probe response message that described travelling carriage sends; Described judge module is used for judging according to described probe response message whether described travelling carriage should install security correlative agent;
Described travelling carriage comprises the second message sending/receiving module, is used to receive described security correlative agent probe request message, and sends probe response message to described network side.
Described travelling carriage also comprises and downloads and installs module, is used for downloading and install described security correlative agent when described judge module judges that described travelling carriage need be installed security correlative agent.
Described network side is network insertion controller or security association server.
Described network side also comprises the Download Server of described security correlative agent, is used to provide the download of described security correlative agent.
By the present invention, whether NAC can survey travelling carriage automatically needs to install SCA, and when travelling carriage need be installed SCA, triggers the operation that downloads and installs that travelling carriage is finished SCA, avoids the user to download and install SCA by hand, is user-friendly to.
Description of drawings
Fig. 1 is the structure chart of associated response system;
Fig. 2 is that NAC provided by the invention surveys the realization flow figure whether travelling carriage needs to install SCA;
Fig. 3 is that SCS provided by the invention surveys the realization flow figure whether travelling carriage needs to install SCA;
Fig. 4 is the realization flow figure that travelling carriage is installed SCA among the embodiment provided by the invention;
Fig. 5 is the realization flow figure that travelling carriage is installed SCA among another embodiment provided by the invention;
Fig. 6 is the schematic diagram of associated response system provided by the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Among the present invention, network insertion control appliance NAC or security association server S CS survey automatically whether security correlative agent SCA is installed on the travelling carriage, as travelling carriage SCA is not installed, then assists travelling carriage to download and install, and the initializes configuration information of necessity is provided for the SCA on the travelling carriage.
In the present invention, suppose that travelling carriage has passed through the user rs authentication of wireless network, and finished the connection procedure with data network, between NAC and SCS, existed security information to transmit passage.
Fig. 2 shows NAC provided by the invention and surveys the realization flow whether travelling carriage needs to install SCA:
1, NAC sends SCA probe requests thereby (SCA Probe Reques t) to travelling carriage, comprises the initializes configuration information of the SCA needs such as IP address, serve port of SCS in the request message.The particular content of probe request message is disposed by SCS, and is handed down to NAC (by the escape way encrypted transmission between SCS and the NAC) in advance as control information.
NAC also can be handed down to NAC by SCS in advance to the transmission strategy of the probe request message that travelling carriage sends, for example the transmission of probe request message at interval, send number of times, overtime timer time of not having a feedback is provided with etc., when the renewal that sends strategy can be upgraded (regular update or upgrade on demand), SCS by the autonomous decision of NAC is initiatively consulted to confirm update mode between renewal or NAC and the SCS.
The destination address of probe request message can be the IP unicast address of travelling carriage, or specific multicast address (SCA group).When NAC needs can take the multicast mode simultaneously when a large amount of terminals sends identical probe requests thereby, can reduce the bandwidth consumption of load and the network of NAC, for example when a large amount of travelling carriages is visited by NAC log-on data network connection carrying out simultaneously data network.Which SCA response can be provided with in the probe request message that multicast sends needs, and never sends the SCA response of response message etc. after for example needing all SCA responses or need being connected to data network.When travelling carriage log-on data network connection simultaneously seldom, when perhaps some user of mobile station needed to be treated differently, NAC can take mode of unicast to send probe requests thereby.
If SCA is not installed on 2 travelling carriages, perhaps SCA is former thereby can't operate as normal the time because of software damage etc., and travelling carriage can't be replied the probe request message of NAC.The NAC side is provided with overtime timer, if NAC does not receive replying that travelling carriage returns in the timing of overtime timer, judges that travelling carriage need install SCA.
As an alternative embodiment of the invention, the NAC side further is provided with probe request message and sends thresholding, if NAC does not receive replying that travelling carriage returns in the timing of overtime timer, NAC repeats to send probe request message to travelling carriage, if NAC does not receive replying that travelling carriage returns in the timing of overtime timer, and when the probe request message that sends outnumbered probe request message transmission thresholding, the judgement travelling carriage need be installed SCA.
If 3 NAC judge travelling carriage SCA need be installed, then trigger travelling carriage execution SCA and download and install flow process.
Also can operate as normal, then initializes configuration information such as the SCS IP address that comprises in the probe request message that SCA extracts and preservation NAC sends, serve port if 4 travelling carriages have been equipped with SCA.
5, SCA sends probe response message (SCA Probe Response) to NAC, include the announcement information that does not need to install SCA in the response message, can also comprise information such as SCA ID, SCA IP address, the particular content of probe response message can be by NAC requirement in probe request message, perhaps by the strategy decision of SCA according to acquiescence.
Fig. 3 shows SCS provided by the invention and surveys the realization flow whether travelling carriage needs to install SCA:
1, user of mobile station is connected to after the data network, and NAC sends travelling carriage to SCS at once and connects report (MS Connect Report), and report comprises information such as the IP address, User ID of travelling carriage.The open simultaneously travelling carriage of NAC is to the access rights of SCS.
2, SCS acknowledges receipt of effective travelling carriage connection report to NAC.
3, SCS sends SCA probe requests thereby (SCA Probe Request) to travelling carriage, SCA on the requirement travelling carriage reports the safe condition of travelling carriage to SCS, the IP address and the serve port that can comprise SCS in the SCA probe request message are as the initialization information of communication between SCA and SCS.
If SCA is not installed on the travelling carriage, perhaps SCA is former thereby can't operate as normal the time because of software damage etc., and travelling carriage can't be replied the SCA probe requests thereby of SCS.The SCS side is provided with overtime timer, if SCS does not receive replying that travelling carriage returns in the timing of timer, judges that then travelling carriage need install SCA.
As an alternative embodiment of the invention, SCS further is provided with the SCA probe request message and sends thresholding, if SCS does not receive replying that travelling carriage returns in the timing of overtime timer, SCS repeats to send probe request message to travelling carriage, if SCS does not receive replying that travelling carriage returns in the timing of overtime timer, and when the SCA probe request message that sends outnumbered probe request message transmission thresholding, the judgement travelling carriage need be installed SCA.
4, SCS notice NAC, travelling carriage need be installed SCA.Concrete SCS can send travelling carriage connection response category-A message (MS Connect Response A) and give NAC, and notice NAC travelling carriage need be installed SCA.MS Connect Response A can comprise travelling carriage IP address, information such as travelling carriage User ID.
If 5 SCS judge travelling carriage SCA need be installed, then trigger travelling carriage execution SCA and download and install flow process.
If SCA and energy operate as normal have been installed on the travelling carriage, then carry out steps 6.
6, SCA comprises information such as SCA ID, User ID, travelling carriage IP address to SCS feedback SCA probe response information, and SCA and energy operate as normal have been installed on SCS proof travelling carriage.
As mentioned above, when NAC or SCS have detected travelling carriage and need SCA be installed, then trigger travelling carriage and carry out the SCA autoinstall procedure.Whether travelling carriage needs to install SCA is surveyed by NAC or SCS and determines, but travelling carriage is carried out SCA and installed by travelling carriage automatically and trigger when certain ASP sends data service request.
Fig. 4 shows the realization flow of travelling carriage installation SCA among the embodiment provided by the invention:
1, when NAC judges that travelling carriage need be installed SCA, send travelling carriage OS Type probe requests thereby (TOS Probe Request) to travelling carriage, survey the type of travelling carriage operating system.The operating system of travelling carriage generally can be by asking information specific on its specific port, know the information such as type, shared resource of operating system by feedback information.NAC can send TOS Probe Request by a plurality of ports to travelling carriage simultaneously, intercepts the response message of corresponding port then.
2, travelling carriage returns travelling carriage OS Type response detected (TOS Probe Response), the information such as OS Type of carrying travelling carriage to NAC.
3, NAC judges the download address of the SCA that travelling carriage need download and install according to the information such as OS Type of travelling carriage.
4, when NAC received travelling carriage to ASP initiation data service request, data service request need be transmitted through NAC;
5, NAC is redirected to the data service request of travelling carriage the download address of SCA.
6, travelling carriage lands relevant server according to the download address of SCA, downloads and the corresponding SCA of self OS Type.
7, travelling carriage is installed SCA.
As one embodiment of the present of invention, in said process, as SCA is the terminal software of developing with Cross Platform Technology, when for example adopting the Java language exploitation, NAC can not need to obtain to travelling carriage transmit operation system type probe requests thereby the OS Type information of travelling carriage, and promptly above-mentioned steps 1,2,3 can be omitted.
Travelling carriage may be finished SCA download forward direction ASP request service in said process, this moment, data service request was through the NAC forwarding.Because SCA installs and not finish, NAC can't obtain the security related information of the travelling carriage that SCA reports, thereby is difficult to determine the safe condition of travelling carriage, and the data service request that travelling carriage sends may be brought security threat to network.Therefore, NAC carries out corresponding safe handling to the data service request of travelling carriage, for example all abandon, selectively let pass, be redirected to specialized security device, for example processing such as Anti Virus Gateway, specifically can dispose, also can carry out to NAC, perhaps determine etc. by negotiation between NAC and the SCS by the SCS configuration distributing by NAC.
As another one embodiment of the present invention, NAC can not survey the type of travelling carriage operating system yet, when travelling carriage when ASP initiates data service request, NAC is redirected to the download address of SCA with data service request, selects to download and install the SCA that is fit to the travelling carriage OS Type by user of mobile station is manual.
Fig. 5 shows the realization flow of travelling carriage installation SCA among another embodiment provided by the invention:
1, certain application service of travelling carriage request, message is transmitted (in general, NAC is the IP gateway of travelling carriage) through NAC.
2, NAC handles according to default policy for the E-Packeting of step 1.Because the safe condition of the present not clear travelling carriage of network side is so the data message that this moment, travelling carriage sent may bring security threat to network.Therefore, NAC can be whole clearances, all abandons, selectively let pass, is redirected to specialized security device (as Anti Virus Gateway or the like) inspection processing or the like according to some principle the processing policy of these messages, specific strategy is formulated and is handed down to NAC and carries out by SCS, concrete strategy is with user-dependent, may be different between each user.
3, NAC receives the notice of SCS---and travelling carriage need be installed SCA, and NAC begins to carry out the measure of being redirected at travelling carriage.
4, travelling carriage continues to send datagram or asks certain application service.
5, NAC is redirected the Download Server of all service requests of travelling carriage to SCA.
6, travelling carriage is connected to the Download Server Servers of SCA, and this connection can be the HTTP type, and Servers judges the SCA that the travelling carriage needs are downloaded according to the parameter that passes in travelling carriage and the own connection procedure.Here the parameter that refers to can be information such as OS Type.
7, travelling carriage is downloaded SCA.
8, travelling carriage is installed SCA.
As shown in Figure 6, the present invention also provides a kind of associated response system, comprises network side and travelling carriage,
Described network side comprises first message sending/receiving module and the judge module, the described first message sending/receiving module is used for sending the security correlative agent probe request message to described travelling carriage, and is used to receive the probe response message that described travelling carriage sends; Described judge module is used for judging according to described probe response message whether described travelling carriage should install security correlative agent;
Described travelling carriage comprises the second message sending/receiving module, is used to receive described security correlative agent probe request message, and sends probe response message to described network side.
Described travelling carriage also comprises and downloads and installs module, is used for downloading and install described security correlative agent when described judge module judges that described travelling carriage need be installed security correlative agent.
Described network side is network insertion controller or security association server.Promptly send described security correlative agent probe request message, and judge whether that described travelling carriage need install security correlative agent by network insertion controller or security association server.
Described network side also comprises the Download Server of described security correlative agent, is used to provide the download of described security correlative agent.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the automatic installation method of a security correlative agent is characterized in that, described method comprises:
A. network side sends the security correlative agent probe request message to travelling carriage;
B. whether network side responds described probe request message according to travelling carriage, judges whether travelling carriage needs to install security correlative agent;
C. when judging that travelling carriage need be installed security correlative agent, trigger travelling carriage execution security correlative agent and download and install operation;
Described step B comprises: do not receive the probe response of travelling carriage in timing, the judgement travelling carriage need be installed security correlative agent;
Described step C comprises:
C1. the data service request of network side receiving mobile is redirected to described data service request the download address of security correlative agent;
C2. travelling carriage lands the Download Server of described security correlative agent according to the download address of described security correlative agent, downloads and installs corresponding security correlative agent.
2. the method for claim 1 is characterized in that, before described step C1, described step C further comprises the steps:
F1. network side is to travelling carriage transmit operation system type probe request message, the OS Type information of acquisition request travelling carriage;
F2. travelling carriage is to network side return system type probe response message, the OS Type information of carrying travelling carriage in the message;
F3. network side is determined the download address of the security correlative agent corresponding with described OS Type information according to the OS Type information of travelling carriage.
3. the method for claim 1 is characterized in that, described method further comprises the steps:
When travelling carriage is equipped with security correlative agent and when working properly, the security correlative agent on the travelling carriage extracts and preserve the initializes configuration information in the described probe request message, and returns the security correlative agent probe response message.
4. method as claimed in claim 3 is characterized in that, includes the announcement information that travelling carriage does not need to install security correlative agent in the described security correlative agent probe response message.
5. the method for claim 1 is characterized in that, the destination address of described security correlative agent probe request message is the IP unicast address or the multicast address of travelling carriage.
6. the method for claim 1 is characterized in that, carries the initializes configuration information of described security correlative agent in the described probe request message, comprises the IP address or the serve port of security association server.
7. the method for claim 1 is characterized in that, described network side is network insertion controller or security association server.
8. an associated response system comprises network side and travelling carriage, it is characterized in that,
Described network side comprises the first message sending/receiving module, judge module and redirection module; The described first message sending/receiving module is used for sending the security correlative agent probe request message to described travelling carriage, and is used to receive the probe response message that described travelling carriage sends; Described judge module is used for judging according to described probe response message whether described travelling carriage should install security correlative agent; Described redirection module is used for the data service request of receiving mobile, described data service request is redirected to the download address of security correlative agent; Described judge module specifically is used for not receiving the probe response of travelling carriage in timing, the judgement travelling carriage need be installed security correlative agent;
Described travelling carriage comprises the second message sending/receiving module and downloads and installs module; The described second message sending/receiving module is used to receive described security correlative agent probe request message, and sends probe response message to described network side; The described module that downloads and installs is used for downloading and install described security correlative agent when described judge module judges that described travelling carriage need be installed security correlative agent; Describedly download and install the Download Server that module specifically is used for landing according to the download address of described security correlative agent described security correlative agent, download and install corresponding security correlative agent.
9. system as claimed in claim 8 is characterized in that, described network side is network insertion controller or security association server.
10. system as claimed in claim 8 is characterized in that described network side also comprises the Download Server of described security correlative agent, is used to provide the download of described security correlative agent.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101414832A CN101052217B (en) | 2006-04-06 | 2006-09-29 | Automatic mounting method for safety relative agency and relative response system |
| EP06804927A EP1860898A4 (en) | 2005-10-15 | 2006-10-13 | A method for realizing mobile station secure update and correlative reacting system |
| PCT/CN2006/002703 WO2007045155A1 (en) | 2005-10-15 | 2006-10-13 | A method for realizing mobile station secure update and correlative reacting system |
| US11/580,591 US7933584B2 (en) | 2005-10-15 | 2006-10-13 | Method for implementing security update of mobile station and a correlative reacting system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610034928.7 | 2006-04-06 | ||
| CN200610034928 | 2006-04-06 | ||
| CN2006101414832A CN101052217B (en) | 2006-04-06 | 2006-09-29 | Automatic mounting method for safety relative agency and relative response system |
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| Publication Number | Publication Date |
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| CN101052217A CN101052217A (en) | 2007-10-10 |
| CN101052217B true CN101052217B (en) | 2010-12-22 |
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| CN2006101414832A Expired - Fee Related CN101052217B (en) | 2005-10-15 | 2006-09-29 | Automatic mounting method for safety relative agency and relative response system |
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| CN103327575B (en) * | 2013-07-01 | 2016-12-28 | 东莞宇龙通信科技有限公司 | Communication equipment and wireless communications method |
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| CN101052217A (en) | 2007-10-10 |
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