CN104284335A - Identification method and system for pseudo source garbage multimedia message - Google Patents
Identification method and system for pseudo source garbage multimedia message Download PDFInfo
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- CN104284335A CN104284335A CN201310287043.8A CN201310287043A CN104284335A CN 104284335 A CN104284335 A CN 104284335A CN 201310287043 A CN201310287043 A CN 201310287043A CN 104284335 A CN104284335 A CN 104284335A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/12—Detection or prevention of fraud
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
Abstract
The invention provides an identification method and system for a pseudo source garbage multimedia message. The identification method includes the steps that a multimedia message center starts user position information inquiry to a calling inquiry interface machine when receiving a multimedia message request submitted by a user; the calling inquiry interface machine inquires the actual position of the user from an HLR; the calling inquiry interface machine determines that the multimedia message is a pseudo source garbage multimedia message when the user actual position fed back by the HLR is not consistent with the user position reported by the user and received by the multimedia message center. Compared with the prior art, the identification method and system can identify and judge the garbage multimedia message with a pseudo user number type through small technical modification of the multimedia message center, do not affect the normal multimedia message process in the identification process, resolve the problem that an original garbage multimedia message identification method can not detect the novel garbage multimedia message, namely the pseudo source garbage multimedia message, realize the function of authenticating the calling number in real time, complete the function of intercepting the garbage multimedia message, and improve the satisfaction degree of the user.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to a kind of pseudo-source refuse messages recognition methods and system.
Background technology
Existing each common carrier MMS center is all adopt the scheme of first adding up and tackling for the Interception Technology of garbage multimedia messages, by or independent deployment module built-in in MMS center, the Subscriber Number in fixed time granularity and transmission multimedia message number are added up, exceed setting thresholding and namely regard as garbage multimedia messages.
In a scheme of prior art, the user's multimedia message in statistics fixed time granularity sends number, according to transmission times and receiving number number, carries out statistical analysis to user behavior, judges whether user sends garbage multimedia messages based on these statistical analyses.The program is just synchronously added up the transmission behavior of user, judge that user tackles after sending garbage multimedia messages, if Subscriber Number is falsely used, but send the frequency or submit to number not exceed the threshold value of setting, then the program cannot effectively find this type of garbage multimedia messages.
In prior art another program, by providing monitoring model, in certain hour granularity, each model thresholding is added up, and make garbage multimedia messages judgement accordingly, its essence is carry out statistical analysis to user behavior and carry out monitoring garbage multimedia messages accordingly, analyzes based on user behavior Modling model; After Subscriber Number is arbitrarily changed by malicious user, the program also cannot effective monitoring.
Specifically, realizing in process of the present invention, inventor finds that existing scheme exists following shortcoming:
The behavior that prior art is passed through synchronously or counting user sends multimedia message afterwards, comprise and send frequency and recipient's number quantity etc., judge whether user is distributing garbage multimedia messages indiscriminately by comprehensive statistics analysis, this scheme can effectively be tackled for the behavior using fixed number to distribute garbage multimedia messages indiscriminately.But some appearance at present utilize WAP(Wireless Application Protocol, WAP (wireless application protocol)) and MMS center between service mechanism leak, arbitrarily fill in calling number and distribute multimedia message indiscriminately, existing garbage multimedia messages interception scheme cannot Timeliness coverage and shutoff, there is no relevant solution at present.
Summary of the invention
The object of the invention is to the shortcoming and defect overcoming prior art, a kind of pseudo-source refuse messages recognition methods and system are provided.
A kind of pseudo-source garbage multimedia messages recognition methods, described method comprises:
MMS center receives when user submits multimedia message requests to and initiates customer position information inquiry to caller query interface machine;
The actual position of described user inquired about by described caller query interface machine to attaching position register HLR;
When described caller query interface machine determines that the customer location of user's actual position that HLR returns and the described reporting of user that MMS center receives is inconsistent, determine that described multimedia message is pseudo-source garbage multimedia messages.
Described method also comprises:
Described MMS center receives user when submitting multimedia message requests to, judges whether that needs carry out the garbage multimedia messages identification of pseudo-source, if so, initiates customer position information inquiry to caller query interface machine, otherwise, according to multimedia message requests described in the process of normal multimedia message handling process.
Described MMS center initiates customer position information inquiry to caller query interface machine, comprising:
The location area code LAC of user and cell index CELLID is sent to described caller query interface machine by described MMS center.
The actual position that described caller query interface machine inquires about described user to HLR, comprising:
Described caller query interface machine initiates the request of user's actual position by SS7/MM5 to HLR, obtains the moving exchanging center MSC positional information at user place; And initiate CELLID inquiry request by SS7 interface to described MSC, inquire about the information of described user's actual position.
Described method also comprises:
When the customer location of the described reporting of user that user's actual position that described HLR returns and MMS center receive is consistent, according to multimedia message described in the process of normal multimedia message handling process.
Described method also comprises:
Whether described multimedia message is that the confirmation result of pseudo-source garbage multimedia messages returns to described MMS center by described caller query interface machine;
The multimedia message according to described confirmation result treatment of described MMS center.
A kind of pseudo-source garbage multimedia messages recognition system, described system comprises MMS center, caller query interface machine and attaching position register, wherein,
Described MMS center, for initiating customer position information inquiry to described caller query interface machine receiving when user submits multimedia message requests to;
Described caller query interface machine, for inquiring about the actual position of described user to described attaching position register HLR; And when determining that the customer location of user's actual position that HLR returns and the described reporting of user that MMS center receives is inconsistent, determine that described multimedia message is pseudo-source garbage multimedia messages;
Described attaching position register, for storing the actual position of described user.
Described system also comprises mobile switching centre, for storing the CELLID of described user;
Described caller query interface machine also for initiating CELLID inquiry request to described mobile switching centre, inquires about the information of described user's actual position.
Described caller query interface machine comprises receiving element, the first query unit, judging unit and transmitting element, wherein,
Described receiving element, for receiving the customer position information inquiry that described MMS center is initiated;
Described first query unit, for inquiring about the actual position of described user to described attaching position register;
Described judging unit, whether consistent for judging the customer location of the described reporting of user that user's actual position that described attaching position register returns receives with MMS center, and judged result is sent described transmitting element;
Described transmitting element, for according to described judged result, notifies that described MMS center does respective handling to described multimedia message.
Described caller query interface machine also comprises the second query unit, for initiating CELLID inquiry request to mobile switching centre, inquires about the information of described user's actual position.
In the present invention, MMS center is when receiving the multimedia message requests that user submits to, and initiate customer position information inquiry to caller query interface machine, caller query interface machine is to the actual position of HLR inquiring user; And when determining that the customer location of user's actual position that HLR returns and the described reporting of user that MMS center receives is inconsistent, determine that this multimedia message is pseudo-source garbage multimedia messages.The present invention only need MMS center to do garbage multimedia messages that a small amount of technological transformation can realize forging Subscriber Number type identifies and judges, this identifying can not have an impact to normal multimedia message flow process simultaneously.By the enforcement of " distinguishing the calling number true and false based on customer position information ", solve New-type refuse vehicle multimedia message-pseudo-source garbage multimedia messages that garbage multimedia messages RM in the past cannot detect, achieve the function differentiating the calling number true and false in real time, the perfect interception function of garbage multimedia messages, promotes the satisfaction of client.
Accompanying drawing explanation
The pseudo-source garbage multimedia messages recognition methods principle flow chart that Fig. 1 provides for the embodiment of the present invention 1;
The system architecture schematic diagram that Fig. 2 provides for the embodiment of the present invention 1;
Fig. 3 initiates multimedia message full-service schematic flow sheet for the terminal use that the embodiment of the present invention 2 provides;
The pseudo-source garbage multimedia messages recognition system structural representation that Fig. 4 provides for the embodiment of the present invention 3;
Caller query interface machine 200 structural representation that Fig. 5 provides for the embodiment of the present invention 3.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.But embodiments of the present invention are not limited thereto.
The principle of the embodiment of the present invention is by a set of interface message processor (IMP) newly-increased on the basis of existing multimedia message transmitting system, MMS center receive user submit multimedia message requests to time, customer position information inquiry is initiated to this interface message processor (IMP), interface message processor (IMP) is to HLR(Home Location Register, attaching position register) etc. after network element inquiring user positional information, user's actual position that the HLR comparing user returns and the customer location that WAP gateway reports, judge whether this user is falsely used, multimedia message is allowed to submit to after consistent, inconsistent, be judged as pseudo-source garbage multimedia messages.
As shown in Figure 1, be the pseudo-source garbage multimedia messages recognition methods principle flow chart that the embodiment of the present invention 1 provides, specific as follows:
Step 10, MMS center receives when user submits multimedia message requests to and initiates customer position information inquiry to caller query interface machine.
The submission of usual multimedia message requests is mentioned by user terminal by user.Multimedia message requests is submitted to GGSN(Gateway GPRS Support Node by user terminal, Gateway GPRS Support Node) as core-network side multimedia message send start node.
GGSN, after the service request receiving wireless side transmission, gets the LAC(Location Area Code of user, location area code from wireless side) and CELLID(cell index).LAC and the CELLID information of user is passed to next link WAPGW(WAP gateway of data with 3GPP-USER-LOCATION-INFO field).
WAPGW(WAP gateway) send the proxy server of multimedia message as terminal, the business request information that normal process GGSN is up, and extract user LAC and CELLID information that GGSN transmits.After identifying MMS, to the HTTP(HyperText Transfer Protocol of user, HTTP) ask to unpack, and will the 3GPP-USER-LOCATION-INFO field forward pass of LAC and CELLID information be comprised to MMSC(Multimedia Message Service center, MMS center in http header).
MMSC receives the up service request of WAPGW, and initiate the garbage multimedia messages identification request of pseudo-source, by the CELLID of this user, the positional informations such as WAP gateway pass to caller query interface machine simultaneously.
Especially, MMSC can judge whether that needs carry out the garbage multimedia messages identification of pseudo-source here, if so, initiates customer position information inquiry to caller query interface machine, otherwise, according to multimedia message requests described in the process of normal multimedia message handling process.
Step 20, caller query interface machine is to the actual position of attaching position register HLR inquiring user.
Caller query interface machine, as the core cell judging pseudo-source garbage multimedia messages, receives the identification request of MMS center, and records the positional informations such as CELLID, LAC of MMS center transmission.
By SS7(Signaling System No.7, Signaling System Number 7) and MM5 interface (MM5 interface is the interface between MMSC and HLR, is alternative interface) initiate customer position information request to HLR, wipe the actual position of instruction user.
Especially, the user's actual position preserved in HLR is inaccurate, and also needs the MSC(Mobile Switching Center obtaining user place, mobile switching centre) positional information.Also namely, caller query interface machine passes through the MSC initiation CELLID inquiry request of SS7 interface to user place, inquiring user actual position information.
Step 30, when caller query interface machine determines that the customer location of user's actual position that HLR returns and the reporting of user that MMS center receives is inconsistent, determines that this multimedia message is pseudo-source garbage multimedia messages.
In this step, caller query interface machine is after receiving the actual position of user, and the customer location of the reporting of user that the actual position information of contrast user and MMS center receive, when inconsistent, judgement is the multimedia message of pseudo-source, returns judged result to MMS center.When user's actual position that HLR returns is consistent with the customer location of the reporting of user that MMS center receives, according to multimedia message described in the process of normal multimedia message handling process.
In general, whether multimedia message is that the confirmation result of pseudo-source garbage multimedia messages returns to MMS center by caller query interface machine; MMS center multimedia message according to confirmation result treatment.
So far, the process of the garbage multimedia messages identification of pseudo-source and process is completed.
As shown in Figure 2, be the system architecture diagram that the present embodiment 1 provides, comprising each functional module in the existing systems such as GGSN, WAPGW, MMSC, MSC, HLR, and include the caller query interface machine that the present embodiment provides.
In fact, existing garbage multimedia messages recognition technology is all the receiving number quantity of the frequency sent by counting user, submission substantially, and adopt and synchronously add up, the mode of afterwards tackling processes garbage multimedia messages.The present embodiment is by increasing a caller query interface machine newly in systems in which, only need MMS center to do a small amount of technological transformation can realize identifying the garbage multimedia messages of forgery Subscriber Number type and judging, this identifying can not have an impact to normal multimedia message flow process simultaneously.By the enforcement of " distinguishing the calling number true and false based on customer position information ", solve New-type refuse vehicle multimedia message-pseudo-source garbage multimedia messages that garbage multimedia messages RM in the past cannot detect, achieve the function differentiating the calling number true and false in real time, the perfect interception function of garbage multimedia messages, promotes the satisfaction of client.
As shown in Figure 3, the embodiment of the present invention 2 also provides a kind of terminal use to initiate multimedia message full-service schematic flow sheet, wherein,
MS(MobileStation, travelling carriage) terminal initiation PDP(Packet Data Protocol, packet data protocol) activate, GGSN is to terminal distribution IP address and record LAC and the CELLID information of terminal, ACK (ACKnowledge Character, acknowledge character) response is returned to terminal.
GGSN initiates accounting start request Accounting-start message, and in this message, termination number MSISDN, the IP address of terminal acquisition, LAC and the CELLID information of terminal is sent to WAP gateway in the lump.
Terminal initiates HTTP POST request, attempts submitting to multimedia message to WAP gateway.
The HTTP POST that WAP gateway receives terminal asks, and solution wraps in http header and adds IP address of terminal, LAC and CELLID, then by this request forward to MMS center.
MMS center receives the multimedia message submission request that WAP initiates, and initiates pseudo-source multimedia message identification request MMSQ-Req, wherein carry LAC and the CELLID information of WAP forward pass to caller query interface machine.
Caller query interface machine sends SRI_SM to HLR, inquiring user ownership MSC.
Caller query interface machine receives the MSCID or error code (such as, user's shutdown, shutdown, out of reach etc.) that HLR returns.
Caller query interface machine judges error code or the MSCID of user, as being returned as error code, then returns judged result directly to MMS center; As being returned as MSCID, then continue next step.
The positional information of this user asked by caller query interface machine to corresponding MSC according to MSCID.
MSC returns LAC and the CELLID information of this user to caller query interface machine.
Caller query interface machine contrast user LAC and CELLID information, judge whether user forges calling number, and return results to MMS center.
MMS center returns this HTTP POST to user and submits result to.
As shown in Figure 4, the embodiment of the present invention 3 provides a kind of pseudo-source garbage multimedia messages recognition system, and this system comprises MMS center 100, caller query interface machine 200 and attaching position register 300, specific as follows:
MMS center 100, for receive when user submits multimedia message requests to caller query interface machine 200 initiate customer position information inquiry;
Caller query interface machine 200, for the actual position to attaching position register 300 inquiring user; And when determining that the customer location of user's actual position that attaching position register 300 returns and the reporting of user that MMS center receives is inconsistent, determine that multimedia message is pseudo-source garbage multimedia messages;
Attaching position register 300, for storing the actual position of user.
Further, this system also comprises mobile switching centre 400, for storing the CELLID of user;
Caller query interface machine 200 also for initiating CELLID inquiry request to mobile switching centre 400, the information of inquiring user actual position.
Further, as shown in Figure 5, the caller query interface machine 200 in above-described embodiment 3 comprises receiving element 201, first query unit 202, judging unit 203 and transmitting element 204, specific as follows:
Receiving element 201, for receiving the customer position information inquiry that MMS center 100 is initiated;
First query unit 202, for the actual position to attaching position register 300 inquiring user;
Judging unit 203, whether consistent for judging the customer location of attaching position register 300 the user's actual position returned and the reporting of user that MMS center receives, and judged result is sent transmitting element 204;
Transmitting element 204, for according to judged result, notifies that respective handling is done in MMS center 100 pairs of multimedia messages.
Especially, above-mentioned caller query interface machine 200 also comprises the second query unit 205, for initiating CELLID inquiry request to mobile switching centre 400, and the information of inquiring user actual position.
The present embodiment is by increasing a caller query interface machine newly in systems in which, only need MMS center to do a small amount of technological transformation can realize identifying the garbage multimedia messages of forgery Subscriber Number type and judging, this identifying can not have an impact to normal multimedia message flow process simultaneously.By the enforcement of " distinguishing the calling number true and false based on customer position information ", solve New-type refuse vehicle multimedia message-pseudo-source garbage multimedia messages that garbage multimedia messages RM in the past cannot detect, achieve the function differentiating the calling number true and false in real time, the perfect interception function of garbage multimedia messages, promotes the satisfaction of client.
To sum up, in the present invention, MMS center is when receiving the multimedia message requests that user submits to, and initiate customer position information inquiry to caller query interface machine, caller query interface machine is to the actual position of HLR inquiring user; And when determining that the customer location of user's actual position that HLR returns and the described reporting of user that MMS center receives is inconsistent, determine that this multimedia message is pseudo-source garbage multimedia messages.The present invention only need MMS center to do garbage multimedia messages that a small amount of technological transformation can realize forging Subscriber Number type identifies and judges, this identifying can not have an impact to normal multimedia message flow process simultaneously.By the enforcement of " distinguishing the calling number true and false based on customer position information ", solve New-type refuse vehicle multimedia message-pseudo-source garbage multimedia messages that garbage multimedia messages RM in the past cannot detect, achieve the function differentiating the calling number true and false in real time, the perfect interception function of garbage multimedia messages, promotes the satisfaction of client.
Above-described embodiment is the present invention's preferably execution mode; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. the garbage multimedia messages recognition methods of pseudo-source, is characterized in that, described method comprises:
MMS center receives when user submits multimedia message requests to and initiates customer position information inquiry to caller query interface machine;
The actual position of described user inquired about by described caller query interface machine to attaching position register HLR;
When described caller query interface machine determines that the customer location of user's actual position that HLR returns and the described reporting of user that MMS center receives is inconsistent, determine that described multimedia message is pseudo-source garbage multimedia messages.
2. the method for claim 1, is characterized in that, described method also comprises:
Described MMS center receives user when submitting multimedia message requests to, judges whether that needs carry out the garbage multimedia messages identification of pseudo-source, if so, initiates customer position information inquiry to caller query interface machine, otherwise, according to multimedia message requests described in the process of normal multimedia message handling process.
3. the method for claim 1, is characterized in that, described MMS center initiates customer position information inquiry to caller query interface machine, comprising:
The location area code LAC of user and cell index CELLID is sent to described caller query interface machine by described MMS center.
4. the method as described in claim 1 or 3, is characterized in that, the actual position that described caller query interface machine inquires about described user to HLR, comprising:
Described caller query interface machine initiates the request of user's actual position by SS7/MM5 to HLR, obtains the moving exchanging center MSC positional information at user place; And initiate CELLID inquiry request by SS7 interface to described MSC, inquire about the information of described user's actual position.
5. the method for claim 1, is characterized in that, described method also comprises:
When the customer location of the described reporting of user that user's actual position that described HLR returns and MMS center receive is consistent, according to multimedia message described in the process of normal multimedia message handling process.
6. method as claimed in claim 5, it is characterized in that, described method also comprises:
Whether described multimedia message is that the confirmation result of pseudo-source garbage multimedia messages returns to described MMS center by described caller query interface machine;
The multimedia message according to described confirmation result treatment of described MMS center.
7. a pseudo-source garbage multimedia messages recognition system, is characterized in that, described system comprises MMS center, caller query interface machine and attaching position register, wherein,
Described MMS center, for initiating customer position information inquiry to described caller query interface machine receiving when user submits multimedia message requests to;
Described caller query interface machine, for inquiring about the actual position of described user to described attaching position register HLR; And when determining that the customer location of user's actual position that HLR returns and the described reporting of user that MMS center receives is inconsistent, determine that described multimedia message is pseudo-source garbage multimedia messages;
Described attaching position register, for storing the actual position of described user.
8. method as claimed in claim 7, it is characterized in that, described system also comprises mobile switching centre, for storing the CELLID of described user;
Described caller query interface machine also for initiating CELLID inquiry request to described mobile switching centre, inquires about the information of described user's actual position.
9. system as claimed in claim 7, it is characterized in that, described caller query interface machine comprises receiving element, the first query unit, judging unit and transmitting element, wherein,
Described receiving element, for receiving the customer position information inquiry that described MMS center is initiated;
Described first query unit, for inquiring about the actual position of described user to described attaching position register;
Described judging unit, whether consistent for judging the customer location of the described reporting of user that user's actual position that described attaching position register returns receives with MMS center, and judged result is sent described transmitting element;
Described transmitting element, for according to described judged result, notifies that described MMS center does respective handling to described multimedia message.
10. system as claimed in claim 9, it is characterized in that, described caller query interface machine also comprises the second query unit, for initiating CELLID inquiry request to mobile switching centre, inquires about the information of described user's actual position.
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