CN106921966B - Method, server and system for controlling roaming user to access network - Google Patents

Method, server and system for controlling roaming user to access network Download PDF

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CN106921966B
CN106921966B CN201510983068.0A CN201510983068A CN106921966B CN 106921966 B CN106921966 B CN 106921966B CN 201510983068 A CN201510983068 A CN 201510983068A CN 106921966 B CN106921966 B CN 106921966B
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roaming user
user
network
local
server
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CN106921966A (en
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粟霄
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a method, a server and a system for controlling a roaming user to access a network, which relate to the technical field of intelligent pipelines, wherein the method comprises the following steps: a server receives an access control request sent by a local Mobility Management Entity (MME), wherein the access control request carries a user identifier of a roaming user initiating an attachment request; the server judges whether the roaming user has network access qualification or not according to the user identification of the roaming user and preset configuration information; and the server sends the judgment result to the local MME so as to control the network access of the roaming user. The embodiment of the invention can realize the network access control of the visiting domain to the roaming user.

Description

Method, server and system for controlling roaming user to access network
Technical Field
The invention relates to the technical field of intelligent pipelines, in particular to a method, a server and a system for controlling a roaming user to access a network.
Background
In international roaming of LTE (Long Term Evolution), most operators adopt the S8HR (S8Home Routed, S8Home routing) scheme of GSMA (global system for mobile communications association), i.e., traffic is detoured from the visited domain SGW (Serving GateWay) to the Home domain PGW (PDN GateWay).
In the prior art, when a roaming user requests to access a visited domain network, a visited domain MME (mobility management Entity) acquires status information of the roaming user from a home domain HSS, and if a user status returned by the home domain HSS is not accessible, for example, due charge, the roaming user is not successfully accessed. That is, the inability of the roaming user to access the network is determined by the home domain, and the visited domain is unable to access the roaming user autonomously.
Disclosure of Invention
One object of an embodiment of the present invention is: a method and a server for controlling a roaming user to access a network are provided to realize network access control of a visiting domain to the roaming user.
According to an aspect of the present invention, there is provided a method for controlling a roaming user to access a network, including: a server receives an access control request sent by a local Mobility Management Entity (MME), wherein the access control request carries a user identifier of a roaming user initiating an attachment request; the server judges whether the roaming user has network access qualification or not according to the user identification of the roaming user and preset configuration information; and the server sends the judgment result to the local MME so as to control the network access of the roaming user.
In one embodiment, the preset configuration information includes a preset blacklist; the server judges whether the roaming user has the network access qualification or not according to the user identification of the roaming user and the preset configuration information, and the method comprises the following steps: the server judges whether the user identification of the roaming user is in a preset blacklist or not; if the user identification of the roaming user is not in a preset blacklist, judging that the roaming user has network access qualification; and if the user identification of the roaming user is in a preset blacklist, judging that the roaming user does not have the network access qualification.
In one embodiment, further comprising: and the server responds to the user operation and adds, modifies or deletes the preset configuration information.
In one embodiment, further comprising: a local MME receives an attachment request initiated by a roaming user and forwarded by a local base station eNB;
a local MME initiates an authentication request to a home subscriber server HSS of a roaming user;
and after the authentication is successful, the local MME sends the access control request to a server.
In one embodiment, the subscriber identity comprises an international mobile subscriber identity IMSI or a mobile station integrated services digital network number MSISDN.
According to another aspect of the present invention, there is provided a server for controlling access of a roaming user to a network, including: a receiving unit, configured to receive an access control request sent by a local mobility management entity MME, where the access control request carries a user identifier of a roaming user initiating an attach request; the judging unit is used for judging whether the roaming user has the network access qualification or not according to the user identification of the roaming user and the preset configuration information; and the sending unit is used for sending the judgment result to the local MME so as to control the network access of the roaming user.
In one embodiment, the preset configuration information includes a preset blacklist; the judging unit judges whether the user identification of the roaming user is in a preset blacklist or not; if the user identification of the roaming user is not in a preset blacklist, judging that the roaming user has network access qualification; and if the user identification of the roaming user is in a preset blacklist, judging that the roaming user does not have the network access qualification.
In one embodiment, further comprising: and the changing unit is used for responding to the user operation and adding, modifying or deleting the preset configuration information.
In one embodiment, the subscriber identity comprises an international mobile subscriber identity IMSI or a mobile station integrated services digital network number MSISDN.
According to still another aspect of the present invention, there is provided a system for controlling access of a roaming user to a network, including: the server and MME for controlling access of a roaming user to a network according to any of the above embodiments; and the MME is used for sending an access control request to the server, wherein the access control request carries the user identification of the roaming user initiating the attachment request.
In one embodiment, the MME is further configured to receive an attach request initiated by a roaming user forwarded by the local base station eNB; initiating an authentication request to a Home Subscriber Server (HSS) of a roaming user; and after the authentication is successful, sending the access control request to a server.
According to the embodiment of the invention, the server is arranged in the visiting domain, namely the local domain, and the configuration information is preset in the server, so that the network access control can be actively carried out on the roaming user initiating the attachment request, and the blank that the skill type of the roaming user cannot be controlled in the S8HR roaming scene in the LTE network is filled. The method provided by the embodiment of the invention can be applied to EPC (4G core network), and can assist local public security organs to limit local network access of a specific user.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart illustrating an embodiment of a method for controlling access of a roaming user to a network according to the present invention;
FIG. 2 is a flow chart illustrating another embodiment of a method for controlling access to a network by a roaming user according to the present invention;
FIG. 3 is a flowchart illustrating an embodiment of an application of the method for controlling roaming user access to a network according to the present invention;
FIG. 4 is a block diagram of one embodiment of a server for controlling access to a network by a roaming user in accordance with the present invention;
FIG. 5 is a block diagram of another embodiment of a server for controlling access to a network by a roaming user in accordance with the present invention;
FIG. 6 is a block diagram of one embodiment of a system for controlling access to a network by a roaming user in accordance with the present invention;
fig. 7 is a schematic diagram of a network architecture of a system for controlling access of a roaming user to a network according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
The invention aims at certain specific scenes, for example, the user roams from abroad to the domestic, or the user roams from the foreign province to the province, and the network of the domestic or the province has the requirement to limit the network access of certain specific users, but the network access cannot be realized according to the existing mode. The inventor proposes to set a server, such as a black and white list server, locally and preset configuration information in the server to implement network access control of a visited domain (i.e. local) to a roaming user.
Fig. 1 is a flowchart illustrating an embodiment of a method for controlling a roaming user to access a network according to the present invention. As shown in fig. 1, the method comprises the steps of:
step 102, a server receives an access control request sent by a local MME, where the access control request carries a user identifier of a roaming user initiating an attach request.
The subscriber identity may include, but is not limited to, an International Mobile Subscriber Identity (IMSI) or a mobile station integrated services digital network number (MSISDN).
And 104, the server judges whether the roaming user has the network access qualification or not according to the user identification of the roaming user and the preset configuration information.
Here, the preset configuration information may include a preset blacklist or a preset whitelist. For example, the server may determine whether the user identifier of the roaming user is in a preset blacklist; if the user identification of the roaming user is not in the preset blacklist, judging that the roaming user has network access qualification; and if the user identification of the roaming user is in the preset blacklist, judging that the roaming user does not have the network access qualification. Similarly, the server may also determine whether the roaming user qualifies for network access by determining whether the user identifier of the roaming user is in a preset white list.
In practical application, the server may further add, modify, or delete the preset configuration information in response to a user operation. For example, if network access restriction is desired for a specific user, the local operator may add a user identifier of the specific user in a preset blacklist; or, the user who should perform network access restriction is not restricted, but the user who should not perform network access restriction is restricted, that is, the preset blacklist is incorrect, the preset blacklist can be modified; alternatively, if the network access restriction on a specific user is to be removed, the user identifier of the user in the preset blacklist may be deleted.
And step 106, the server sends the judgment result to the local MME so as to control the network access of the roaming user.
If the judgment result shows that the roaming user does not have the network access qualification, the MME can return an error code to the eNB, so that the eNB rejects the roaming user to access the local network; if the roaming user has the network access qualification, the MME may notify the eNB to allow the roaming user to access the local network, so that a subsequent standard attach procedure may be performed.
In this embodiment, the server is locally set in the visited domain, and the configuration information is preset in the server, so that the roaming user initiating the attach request can be actively controlled for network access, and the blank that the skill type of the roaming user cannot be controlled in the S8 roaming scene in the LTE network is filled.
The method provided by the embodiment of the invention can be applied to EPC (4G core network), and can assist local public security authorities or certain security units to limit the local network access of a specific user.
Fig. 2 is a flowchart illustrating another embodiment of a method for controlling a roaming user to access a network according to the present invention. As shown in fig. 2, the method further comprises the following steps compared to the embodiment shown in fig. 1:
in step 202, the local MME receives an attach request initiated by the roaming user forwarded by the local base station eNB.
After the roaming user initiates an attach request to the local eNB, the eNB may forward the attach request to the appropriate local MME.
Step 204, the local MME initiates an authentication request to the home subscriber server HSS of the roaming user.
The HSS may return an authentication response, e.g., authentication success or failure for the roaming user.
Step 206, after the authentication is successful, the local MME sends an access control request to the server, where the access control request carries the user identifier of the roaming user initiating the attach request.
The operations of subsequent steps 102 to 106 may then be performed to implement network access control for the roaming user.
Fig. 3 is a flowchart illustrating an application of the method for controlling a roaming user to access a network according to an embodiment of the present invention. As shown in fig. 3, the complete flow of controlling the roaming user to access the network is as follows:
step 301, a roaming user UE initiates an attach request to a local eNB;
step 302, the eNB forwards the attach request to the appropriate MME;
step 303, the MME sends an authentication request to the HSS of the roaming user;
step 304, the HSS returns an authentication result;
step 305, the MME initiates an access control request to a local server, e.g. a black and white server;
step 306, the server returns the access control result, if the roaming user does not have the network access qualification, step 307-step 308 are executed; if the roaming user has the network access qualification, go to step 309;
step 307, the MME returns an error code to the eNB;
step 308, the eNB refuses the roaming user to access the local network;
step 309, continue the standard attach procedure. Since the standard attachment procedure is not the focus of the present invention, it is not described herein again.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other. The invention also provides a server and a system for controlling the roaming user to access the network, and for the embodiments of the server and the system, the description is simple because the embodiments of the server and the system basically correspond to the embodiments of the method, and related points can be referred to the partial description of the embodiments of the method.
Fig. 4 is a block diagram of one embodiment of a server for controlling access to a network by a roaming user in accordance with the present invention. As shown in fig. 4, the server of this embodiment includes a receiving unit 401, a judging unit 402, and a transmitting unit 403, in which:
the receiving unit 401 is configured to receive an access control request sent by a local mobility management entity MME, where the access control request carries a user identifier of a roaming user initiating an attach request. The subscriber identity may include, but is not limited to, an International Mobile Subscriber Identity (IMSI) or a mobile station integrated services digital network number (MSISDN), among others.
The determining unit 402 is configured to determine whether the roaming user has a network access qualification according to the user identifier of the roaming user and the preset configuration information. In one embodiment, the preset configuration information includes a preset blacklist; accordingly, the determining unit 402 in this embodiment may determine whether the user identifier of the roaming user is in the preset blacklist; if the user identification of the roaming user is not in the preset blacklist, judging that the roaming user has network access qualification; and if the user identification of the roaming user is in the preset blacklist, judging that the roaming user does not have the network access qualification.
The sending unit 403 is configured to send the determination result to the local MME, so as to control network access of the roaming user.
The server provided in this embodiment configures the preset configuration information in the server, and may actively perform network access control on the roaming user initiating the attach request according to the preset configuration information after receiving the access control request sent by the MME, so as to fill a gap that the skill type of the roaming user cannot be controlled in an S8 roaming scenario in the LTE network.
Fig. 5 is a block diagram of another embodiment of a server for controlling access to a network by a roaming user in accordance with the present invention. As shown in fig. 5, the server of this embodiment further includes a changing unit 501, configured to add, modify, or delete preset configuration information in response to a user operation. For example, if network access restriction is desired for a specific user, a user identifier of the specific user may be added to a preset blacklist; or, the user who should perform network access restriction is not restricted, but the user who should not perform network access restriction is restricted, that is, the preset blacklist is incorrect, the preset blacklist can be modified; alternatively, if the network access restriction on a specific user is to be removed, the user identifier of the user in the preset blacklist may be deleted.
Fig. 6 is a block diagram of one embodiment of a system for controlling access to a network by a roaming user in accordance with the present invention. As shown in fig. 6, the system of this embodiment includes a server 601 and an MME602 for controlling an access network of a roaming user as described in any of the above embodiments, where the MME is configured to send an access control request to the server 602, and the access control request carries a user identifier of the roaming user initiating an attach request.
Fig. 7 is a schematic diagram of a network architecture of a system for controlling access of a roaming user to a network according to the present invention. As shown in fig. 7, the system architecture includes: a roaming user equipment UE701, a base station eNB702, an SGW703, an HSS704, a PGW705, and a server 601 and an MME602 provided by the present invention. The roaming user equipment UE701, the base station eNB702, the HSS704, the server 601 and the MME602 may interact according to the methods in the embodiments described above, so as to implement access control on the UE 701. The server 601 of the present invention does not affect the whole system architecture, and the network access of the roaming user UE701 can be controlled only by modifying the signaling interaction of the MME 602.
In one embodiment, MME602 may also be configured to receive a roaming user initiated attach request forwarded by a local base station eNB; initiating an authentication request to a Home Subscriber Server (HSS) of a roaming user; and after the authentication is successful, sending an access control request to the server.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (8)

1. A method for controlling access to a network by a roaming user, comprising:
a local mobile management entity MME receives an attachment request initiated by a roaming user and forwarded by a local base station eNB;
a local MME initiates an authentication request to a home subscriber server HSS of a roaming user;
after the authentication is successful, the local MME sends an access control request to the server;
a server receives an access control request sent by a local MME, wherein the access control request carries a user identifier of a roaming user initiating an attachment request;
the server judges whether the roaming user has network access qualification or not according to the user identification of the roaming user and preset configuration information;
the server sends the judgment result to a local MME so as to control the network access of the roaming user;
if the judgment result shows that the roaming user does not have the network access qualification, the local MME returns an error code to the local eNB to reject the roaming user to access the local network; if the roaming user is qualified for network access, the local MME informs the local eNB to allow the roaming user to access the local network.
2. The method of claim 1, wherein the preset configuration information comprises a preset blacklist;
the server judges whether the roaming user has the network access qualification or not according to the user identification of the roaming user and the preset configuration information, and the method comprises the following steps:
the server judges whether the user identification of the roaming user is in a preset blacklist or not;
if the user identification of the roaming user is not in a preset blacklist, judging that the roaming user has network access qualification;
and if the user identification of the roaming user is in a preset blacklist, judging that the roaming user does not have the network access qualification.
3. The method of claim 1, further comprising:
and the server responds to the user operation and adds, modifies or deletes the preset configuration information.
4. A method according to any of claims 1-3, characterized in that the subscriber identity comprises an international mobile subscriber identity, IMSI, or a mobile station integrated services digital network number, MSISDN.
5. A system for controlling access to a network by a roaming user, comprising:
a mobile management entity MME, which is used for receiving an attachment request initiated by a roaming user and forwarded by a local base station eNB; initiating an authentication request to a Home Subscriber Server (HSS) of a roaming user; after the authentication is successful, sending an access control request to a server, wherein the access control request carries a user identifier of a roaming user initiating an attachment request; and
a server for controlling access of a roaming user to a network, comprising:
a receiving unit, configured to receive an access control request sent by a local MME, where the access control request carries a user identifier of a roaming user initiating an attach request;
the judging unit is used for judging whether the roaming user has the network access qualification or not according to the user identification of the roaming user and the preset configuration information; and
a sending unit, configured to send the determination result to a local MME, so as to control network access of a roaming user;
if the judgment result shows that the roaming user does not have the network access qualification, the local MME returns an error code to the local eNB to reject the roaming user to access the local network; if the roaming user is qualified for network access, the local MME informs the local eNB to allow the roaming user to access the local network.
6. The system of claim 5, wherein the predetermined configuration information comprises a predetermined blacklist;
the judging unit judges whether the user identification of the roaming user is in a preset blacklist or not;
if the user identification of the roaming user is not in a preset blacklist, judging that the roaming user has network access qualification;
and if the user identification of the roaming user is in a preset blacklist, judging that the roaming user does not have the network access qualification.
7. The system of claim 5, wherein the server further comprises:
and the changing unit is used for responding to the user operation and adding, modifying or deleting the preset configuration information.
8. The system according to any of claims 5-7, wherein the subscriber identity comprises an international mobile subscriber identity, IMSI, or a mobile station integrated services digital network number, MSISDN.
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