CN103209159B - Gate verification method and system - Google Patents
Gate verification method and system Download PDFInfo
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- CN103209159B CN103209159B CN201210009737.0A CN201210009737A CN103209159B CN 103209159 B CN103209159 B CN 103209159B CN 201210009737 A CN201210009737 A CN 201210009737A CN 103209159 B CN103209159 B CN 103209159B
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Abstract
The invention discloses the portal authentication method of a kind of address Network Based conversion 444 and system, relate to information technoloy equipment authentication techniques field。By carrying wlanuserip attribute in BRAS redirection message, for transmitting the private network IP attribute that user obtains, when user accesses Portal certification page, Portal can obtain the private network IP of this user, owing to Portal platform has been set up BRAS equipment IP and the incidence relation in private network IP address pond when focus construction and opening, Portal authentication platform can determine the access device of this user by user private network IP, thus realizing the mutual of Portal platform and BRAS equipment, complete the certification of Portal User, the function such as roll off the production line。
Description
Technical field
The present invention relates to information technoloy equipment authentication techniques field, change door (Portal) authentication method and the system of 444 (NetworkAddressTranslation444, NAT444) particularly to a kind of address Network Based。
Background technology
Along with publicly-owned IPv4 address is about to exhaustion, IPV6 technology also fails to ripe commercial, one of transitional technology that NAT444 technology is well recognized as。
NAT444 scheme main thought is NAT44 deployed position to be improved, by operator deployment Working level NAT44 equipment CGN, form the conversion of two-stage address with the NAT of user side simultaneously, form three block address spaces, namely user side private address, operator's private address, public network address。This is also the origin of NAT444 title。NAT444 scheme can improve the reusability of IPv4 address, alleviates address exhaustion problem, and is easy to dispose, and only need to increase CGN equipment in convergence-level or core layer, it is not necessary to carry out fairly large equipment and replace。From the viewpoint of user perceptibility, technology maturity and deployment difficulty etc., NAT444 is current reasonable scheme。
At present, WLAN (WirelessLocalAreaNetworks, WLAN) Portal flow chart is as shown in Figure 1, after specifically including that terminal obtains public network IP address, initiate corresponding HTTP (HyperTextTransferProtocol, HTML (Hypertext Markup Language)) request (step 102)；The HTTP request of terminal is redirected to Portal address (step 104) by BRAS (BroadbandRemoteAccessServer, Broadband Remote Access Server)；The parameters such as the user name of input, password on the Portal page are sent to Portal by terminal, initiate certification request (step 106)；Portal obtains BRAS equipment address according to the public network IP address of terminal, and by interface, the parameters such as user name password are passed to BRAS equipment (step 108)；BRAS equipment initiates certification request (step 110) to AAA；AAA responds authentication result to BRAS equipment (step 112)；BRAS equipment responds authentication result to Portal (step 114)；Portal shows that the authentication result page is to terminal (step 116)。
Under NAT444 environment, when user is by WLanPortal certification online, first wireless network card can obtain an IP address, and this address is private network IP address。When user accesses the Portal page time, what Portal server got is this private network IP public network IP address after NAT。Now WLANPortal cannot know user from which platform BRAS accesses, and flow process mutual for follow-up Portal and BRAS also just cannot be run, and therefore cannot swap certification with BRAS equipment。
Summary of the invention
The inventors found that in above-mentioned prior art and have problems, and propose a kind of new technical scheme hence at least one problem in described problem。
It is an object of the present invention to provide a kind of technical scheme for the Portal certification based on NAT444。
According to the first aspect of the invention, it is provided that a kind of portal authentication method based on NAT444, including: BRAS equipment, the HTTP request of terminal is redirected to Portal address the private network IP address of carried terminal；Terminal accesses Portal according to the private network IP address of Portal address carried terminal；Portal obtains BRAS equipment address according to the private network IP address of terminal；Portal initiates certification request according to BRAS equipment address to BRAS equipment；BRAS equipment is to Portal return authentication result to show terminal。
Alternatively, Portal includes according to the private network IP address acquisition BRAS equipment address of terminal: Portal obtains the BRAS equipment address corresponding with the private network IP address of terminal according to pre-configured private network IP address with the corresponding relation of BRAS equipment address；Pre-configured private network IP address and a private network IP address corresponding only one BRAS equipment address in the corresponding relation of BRAS equipment address。
Alternatively, Portal includes to BRAS equipment initiation certification request according to BRAS equipment address: Portal pushes the unified certification page to terminal；Portal receives the username and password inputted by the unified certification page of self terminal；Portal initiates certification request according to BRAS equipment address to BRAS equipment, and certification request includes the private network IP address of username and password and terminal。
Alternatively, BRAS equipment includes to Portal return authentication result: BRAS equipment initiates certification request to AAA；AAA return authentication result is to BRAS equipment；Authentication result is issued Portal by BRAS equipment。
Alternatively, by the private network IP address of UserIP field carried terminal。
According to a further aspect in the invention, a kind of portal certification system based on NAT444 is provided, including: BRAS equipment, for receiving the HTTP request of self terminal, the HTTP request of terminal is redirected to the private network IP address of Portal address carried terminal, in order to terminal sends the private network IP address access request of carried terminal to Portal；Receive the certification from Portal to ask, to Portal return authentication result；Portal, for receiving the access request of the private network IP address of the carried terminal of self terminal, obtains the BRAS equipment address corresponding with the private network IP address of terminal according to pre-configured private network IP address with the corresponding relation of BRAS equipment address；Initiate certification request according to BRAS equipment address to BRAS equipment, receive from the authentication result of BRAS equipment to show terminal。
Alternatively, pre-configured private network IP address and a private network IP address corresponding only one BRAS equipment address in the corresponding relation of BRAS equipment address。
Alternatively, after Portal receives the access request of the private network IP address of the carried terminal of self terminal, push the unified certification page to terminal；Receiving the username and password inputted by the unified certification page of self terminal, initiate certification request according to BRAS equipment address to BRAS equipment, certification request includes username and password。
Alternatively, BRAS equipment initiates certification request to AAA, receives the AAA authentication result returned, authentication result is issued Portal。
Alternatively, by the private network IP address of UserIP field carried terminal。
An advantage of the invention that, achieve the certification based on NAT444Portal by BRAS equipment and Portal server, can application deployment more quickly。
By referring to the accompanying drawing detailed description to the exemplary embodiment of the present invention, the further feature of the present invention and advantage thereof will be made apparent from。
Accompanying drawing explanation
The accompanying drawing of the part constituting description describes embodiments of the invention, and is used for together with the description explaining principles of the invention。
With reference to accompanying drawing, according to detailed description below, it is possible to be more clearly understood from the present invention, wherein:
Fig. 1 illustrates the flow chart of WLANPortal certification in prior art；
Fig. 2 illustrates the present invention flow chart based on an embodiment of the WLANPortal authentication method of NAT444；
Fig. 3 illustrates the present invention flow chart based on another embodiment of the WLANPortal authentication method of NAT444；
Fig. 4 is the BRAS message example encapsulating UserIp field in HTTP message；
Fig. 5 illustrates the example of the message identifying including UserIP field。
Detailed description of the invention
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing。It should also be noted that unless specifically stated otherwise, the parts otherwise set forth in these embodiments and positioned opposite, the numerical expression of step and numerical value do not limit the scope of the invention。
Simultaneously, it should be appreciated that for the ease of describing, the size of the various piece shown in accompanying drawing is not draw according to actual proportionate relationship。
Description only actually at least one exemplary embodiment is illustrative below, never as any restriction to the present invention and application or use。
The known technology of person of ordinary skill in the relevant, method and apparatus are likely to be not discussed in detail, but in the appropriate case, described technology, method and apparatus should be considered to authorize a part for description。
Shown here with in all examples discussed, any occurrence should be construed as merely exemplary, not as restriction。Therefore, other example of exemplary embodiment can have different values。
It should also be noted that similar label and letter below figure represent similar terms, therefore, once a certain Xiang Yi accompanying drawing is defined, then it need not be further discussed in accompanying drawing subsequently。
Fig. 2 illustrates the present invention flow chart based on an embodiment of the WLANPortal authentication method of NAT444。
As in figure 2 it is shown, step 202, the HTTP request of terminal is redirected to Portal address the private network IP address of carried terminal by BRAS equipment。Under NAT444 scene, user is to WLAN hot spot, and the IP address of acquisition is private network IP address, and time user surfs the Net with this private network IP, access request is initially to BRAS equipment, and now BRAS equipment can obtain the private network IP address of user according to user's http request message。
Step 204, terminal accesses Portal according to the private network IP address of Portal address carried terminal。
Step 206, Portal obtains BRAS equipment address according to the private network IP address of terminal。Such as, Portal obtains the BRAS equipment address corresponding with the private network IP address of terminal, pre-configured private network IP address and a private network IP address corresponding only one BRAS equipment address in the corresponding relation of BRAS equipment address according to pre-configured private network IP address with the corresponding relation of BRAS equipment address。
Step 208, Portal initiates certification request according to BRAS equipment address to BRAS equipment。
Step 210, BRAS equipment is to Portal return authentication result to show terminal。
In above-described embodiment, it is proposed to WLanPortal authentication method under a kind of NAT444 scene, it is possible to solve under NAT444 scene, the access authentication of WLanPortal user, and can application deployment more quickly。
In one embodiment, Portal server configures the mapping relations of BRAS equipment and private network IP address, for instance, the corresponding table of (BRAS equipment address: address pool IP, address pool terminates IP)。According to visiting user private network IP, WLanPortal just can directly position user from which platform BRAS equipment accesses, username and password user inputted on Portal webpage by being sent to the BRAS equipment of correspondence with the interface of BRAS。
Fig. 3 illustrates the present invention flow chart based on another embodiment of the WLANPortal authentication method of NAT444。Thering is provided the solution carrying user private network IP at certification whole process one attribute of definition in this embodiment, this attribute is fixed tentatively as wlanuserip。
As it is shown on figure 3, step 302, after terminal obtains the IP address accessing network address, initiating HTTP request, HTTP request includes the private network IP address of terminal。
Step 304, HTTP request arrives BRAS equipment, and HTTP request is redirected to the Portal page by BRAS equipment, carries wlanuserip parameter value after Redirect Address, the private network IP address of this wlanuserip parameter value carried terminal。
Step 306, terminal access Portal, carries wlanuserip parameter value。
Step 308, Portal obtains wlanuserip, pushes the unified certification page to terminal。
Step 310, the parameter such as user name that user is inputted by terminal on the Portal page, password is sent to Portal, initiates certification request。
Step 312, Portal utilizes wlanuserip to determine the BRAS equipment of correspondence, initiates certification request to BRAS equipment, and certification request includes the private network IP address of terminal。
Step 314, BRAS equipment initiates certification request to AAA (Authentication, Authorization, Accounting, checking, authorization and accounting) server。
Step 316, AAA responds authentication result to BRAS equipment
Step 318, BRAS equipment responds authentication result to Portal。
Step 320, Portal shows that the authentication result page is to user, and certification success then provides roll off the production line button or the connection of carrying wlanuserip parameter value。
In above-described embodiment, it is provided that the method that realizes of the WLANPortal under a kind of NAT444 scene, the method by carrying wlanuserip attribute in BRAS redirection message, for transmitting the private network IP attribute that user obtains；When user accesses Portal certification page, Portal can obtain the private network IP of this user, owing to Portal platform has been set up BRAS equipment IP and the incidence relation in private network IP address pond when focus construction and opening, Portal authentication platform can determine the access device of this user by user private network IP, thus realizing the mutual of Portal platform and BRAS equipment, complete the certification of Portal User, the function such as roll off the production line。
Under NAT444 environment, this programme is used to solve PC or the mobile phone terminal problem by WLanPortal certification, BRAS and Portal server are modified: the private network IP address of terminal is carried to Portal server by message field (MFLD) by BRAS, after Portal server obtains the private network IP address of terminal, when sending message identifying, the userIp field of this message identifying is filled to the private network IP address of terminal。Specific as follows:
1, BRAS is by the field name of order line definition carried terminal private network IP address, and acquiescence is wlanuserip field。It is sent to the message of Portal, utilizes the wlanuserip field in the HTTP message body of message, the IP address information comprised in this HTTP character string is configured as the private network IP address of user's distribution；
2, Portal server obtains the private network IP address information of user according to the HTTP wlanuserip character string carried, and is encapsulated in authentication request packet and is sent to BRAS by the source IP address (now this source IP address has replaced with public network IP address) in the private network IP address of user rather than IP message。
When device redirection user asks, BRAS construct following HTTP redirection message and return to user browser:
BRAS encapsulates UserIp field in HTTP message:
Fig. 4 is the BRAS message example encapsulating wlanuserip field in HTTP message, is shown through the private network IP address of wlanuserip field carried terminal in Fig. 4 in wire frame。
When user submits to certification to ask, Portal server tissue message identifying it is sent to BRAS equipment。Owing to the agreement of Portal Yu BRAS equipment is proprietary protocol, different according to producer's difference。The field of the wlanuserip that Portal server sends according to BRAS equipment is encapsulated in the UserIp field of message identifying。Fig. 5 illustrates the example of the message identifying including UserIP field。In Figure 5, this certification include version (Version), type (Type), PAP/chap, reservation (Rsvd), serial number (SerialNo), ReqID (request mark), UserIP (User IP), UserPort (user port), error code (ErrCode), attribute number (AttrNum), Authenticator (certification), Authenticator (cont), attribute (Attr),, etc. field。Wherein, what UserIP field was inserted is by the wlanuserip user private network IP address carried, rather than by public network IP address that the source IP address of message obtains。
Now Portal server correctly resolves user private network IP address by message, completes certification and the flow process that rolls off the production line。
Above flow process is all applicable to PC or mobile phone terminal, and flow process is essentially identical。
Under NAT444 scene, how user accesses China Telecom's ChinaNet network (https: //WLan.ct10000.com) by WLANPortal certification, there is no the technical scheme of maturation in prior art。Below for " ChinaNet " focus, introduce an application examples of the present invention program。
Time WLAN " ChinaNet " focus enables private network IP address, in the private network IP address section of the good each districts and cities of such as planning across the entire province, the private network IP address used when each focus construction does not repeat。When a WLAN hot spot construction completes time, the up BRAS equipment address of this focus determines that, under this BRAS equipment, the private network IP address section for WLAN business is also fixing, and before focus enables, this corresponding relation configures on Portal server。Such as, one focus construction completes, and the up BRAS equipment of this focus is fixing is such as 100.100.100.100, and private net address pond is also fixing, being such as 10.10.10.0～10.10.10.255, this corresponding relation must be registered before focus enables on Portal server。
Under NAT444 scene, user is to " ChinaNet " focus, and the IP address of acquisition is private network IP address, for instance user obtains an address 10.10.10.1 in address pool to focus。Time user surfs the Net with this private network IP, access request is initially to BRAS。Any webpage of user computer terminal access, for instancewww.sina.com；This online is asked through BRAS equipment time, and BRAS is obtained with user private network address according to user's http request message；BRAS equipment determines this private network IP winner but without passing through certification, now BRAS equipment changes the request of the browser access Sina of user terminal into https: the Portal address of //WLan.ct10000.com, this redirects reflection on the subscriber terminal, and user what browser inputted iswww.sina.com, after this request is caught by BRAS, BRAS uses redirection function, the access network address of terminal is revised as from Sinahttps://WLan.ct10000.com。As Portal website, capture one and carry the http access request that wlanuserip attribute is 10.10.10.1, Portal mono-looks into log-on message, it is known that this user accesses under this BRAS equipment of 100.100.100.100, it is possible to BRAS equipment given by account name and password that user is inputted on the Portal page。Then pass through BRAS equipment and complete certification, and authentication result is returned terminal by Portal。
The invention provides WLanPortal under a kind of NAT444 scene and realize method and system, it is realized by BRAS and PortalServer, and the program better solves this problem in actual applications, and the transformation of existing network WLANPortal system is less。
So far, portal authentication method based on NAT444 according to the present invention and system are described in detail。In order to avoid covering the design of the present invention, it does not have describe details more known in the field。Those skilled in the art are as described above, complete it can be appreciated how implement technical scheme disclosed herein。
It is likely to be achieved in many ways the method and system of the present invention。Such as, can by software, hardware, firmware or software, hardware, firmware any combination realize the method and system of the present invention。For the said sequence of step of described method merely to illustrate, the step of the method for the present invention is not limited to order described in detail above, unless specifically stated otherwise。Additionally, in certain embodiments, can being also record program in the recording medium by the invention process, these programs include the machine readable instructions for realizing the method according to the invention。Thus, the present invention also covers the record medium of the storage program for performing the method according to the invention。
Although some specific embodiments of the present invention being described in detail already by example, but it should be appreciated by those skilled in the art, above example is merely to illustrate, rather than in order to limit the scope of the present invention。It should be appreciated by those skilled in the art, can without departing from the scope and spirit of the present invention, above example be modified。The scope of the present invention be defined by the appended claims。
Claims (10)
1. the door based on NAT444 (Portal) authentication method, it is characterised in that including:
The HTTP request of terminal is redirected to Portal address by Broadband Remote Access Server (BRAS) equipment, and carries the private network IP address of described terminal；
The private network IP address that described terminal carries described terminal according to described Portal address accesses Portal；
Described Portal obtains BRAS equipment address according to the private network IP address of described terminal；
Described Portal initiates certification request according to described BRAS equipment address to BRAS equipment；
Described BRAS equipment is to described Portal return authentication result to show described terminal。
2. method according to claim 1, it is characterised in that described Portal obtains BRAS equipment address according to the private network IP address of described terminal and includes:
Described Portal obtains the BRAS equipment address corresponding with the private network IP address of described terminal according to pre-configured private network IP address with the corresponding relation of BRAS equipment address；Described pre-configured private network IP address and a private network IP address corresponding only one BRAS equipment address in the corresponding relation of BRAS equipment address。
3. method according to claim 1, it is characterised in that described Portal initiates certification request according to described BRAS equipment address to BRAS equipment and includes:
Described Portal pushes the unified certification page to described terminal；
Described Portal receives the username and password by the input of the described unified certification page from described terminal；
Described Portal initiates certification request according to described BRAS equipment address to BRAS equipment, and described certification request includes described username and password and the private network IP address of described terminal。
4. method according to claim 1, it is characterised in that described BRAS equipment includes to described Portal return authentication result:
Described BRAS equipment initiates certification request to AAA；
Described AAA return authentication result gives described BRAS equipment；
Described authentication result is issued described Portal by described BRAS equipment。
5. method as claimed in any of claims 1 to 4, it is characterised in that carried the private network IP address of described terminal by UserIP field。
6. the door based on NAT444 (Portal) Verification System, it is characterised in that including:
Broadband Remote Access Server (BRAS) equipment, for receiving the HTTP request of self terminal, the HTTP request of described terminal is redirected to Portal address and carries the private network IP address of described terminal, in order to described terminal sends the private network IP address access request carrying described terminal to described Portal；Receive the certification from Portal to ask, to described Portal return authentication result；
Described Portal, for receiving the access request of the private network IP address carrying described terminal from described terminal, obtains the BRAS equipment address corresponding with the private network IP address of described terminal according to pre-configured private network IP address with the corresponding relation of BRAS equipment address；Initiate certification request according to described BRAS equipment address to BRAS equipment, receive from the authentication result of described BRAS equipment to show described terminal。
7. system according to claim 6, it is characterised in that described pre-configured private network IP address and a private network IP address corresponding only one BRAS equipment address in the corresponding relation of BRAS equipment address。
8. system according to claim 6, it is characterised in that described Portal receives after the access request of the private network IP address carrying described terminal of described terminal, pushes the unified certification page to described terminal；Receiving the username and password by the input of the described unified certification page from described terminal, initiate certification request according to described BRAS equipment address to BRAS equipment, described certification request includes described username and password and the private network IP address of described terminal。
9. system according to claim 6, it is characterised in that described BRAS equipment initiates certification request to AAA, receives the described AAA authentication result returned, described authentication result is issued described Portal。
10. the system according to any one in claim 6 to 9, it is characterised in that carried the private network IP address of described terminal by UserIP field。
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| CN201210009737.0A CN103209159B (en) | 2012-01-13 | 2012-01-13 | Gate verification method and system |
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| CN103209159B true CN103209159B (en) | 2016-06-22 |
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| CN104426977B (en) * | 2013-09-02 | 2018-01-09 | 浙江鹏信信息科技股份有限公司 | A kind of private user that is directed to realizes the method that information actively precisely pushes |
| CN104426660A (en) * | 2013-09-04 | 2015-03-18 | 中兴通讯股份有限公司 | Portal authentication method, BNG (broadband network gateway), Portal server and Portal authentication system |
| CN103607382B (en) * | 2013-11-11 | 2016-12-07 | 中国科学院计算技术研究所 | A kind of Self-authentication service system and method |
| CN104683296B (en) * | 2013-11-28 | 2018-07-06 | 中国电信股份有限公司 | Safety certifying method and system |
| CN103731515A (en) * | 2014-01-15 | 2014-04-16 | 中国联合网络通信集团有限公司 | Internet protocol (IP) source tracing method, device and system |
| CN103916491B (en) * | 2014-04-04 | 2017-02-15 | 杭州华三通信技术有限公司 | Dynamic address mapping method and device based on NAT444 architecture |
| CN105376339B (en) * | 2014-08-29 | 2018-12-04 | 中国电信股份有限公司 | Method, equipment, server and the system that NAT444 user traces to the source |
| CN105704109B (en) * | 2014-11-28 | 2019-05-24 | 华为软件技术有限公司 | A kind of network access verifying method and equipment |
| CN104580178B (en) * | 2014-12-26 | 2018-09-04 | 新华三技术有限公司 | A kind of method and apparatus of Portal certifications |
| CN106656911B (en) * | 2015-10-29 | 2019-10-01 | 华为技术有限公司 | A kind of portal authentication method, access device and management server |
| CN107104872B (en) | 2016-02-23 | 2020-11-03 | 华为技术有限公司 | Access control method, device and system |
| CN107846380B (en) * | 2016-09-18 | 2021-12-14 | 中兴通讯股份有限公司 | Internet access authentication method, device and system |
| CN106453119A (en) * | 2016-11-18 | 2017-02-22 | 杭州华三通信技术有限公司 | Authentication control method and device |
| CN114268444A (en) * | 2020-09-14 | 2022-04-01 | 中兴通讯股份有限公司 | Access method of broadband access server, server and storage medium |
| CN112671708B (en) * | 2020-11-25 | 2022-08-30 | 新华三技术有限公司 | Authentication method and system, portal server and security policy server |
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