CN101729574A - System, device and method for cascade protection of contents of IPTV service - Google Patents
System, device and method for cascade protection of contents of IPTV service Download PDFInfo
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- CN101729574A CN101729574A CN200810173522A CN200810173522A CN101729574A CN 101729574 A CN101729574 A CN 101729574A CN 200810173522 A CN200810173522 A CN 200810173522A CN 200810173522 A CN200810173522 A CN 200810173522A CN 101729574 A CN101729574 A CN 101729574A
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Abstract
The invention discloses a system, a device and a method for cascade protection of contents of IPTV service. The system comprises a web server and a multimedia terminal; the web server defines and identifies access right ranks for super link pages requiring cascade protection in an EPG webpage; when receiving a URL request sent by the multimedia terminal, the web server determines whether to transmit data of the super link pages to the multimedia terminal according to right information attached to the request; and when the multimedia terminal receives a super link request of a user, the multimedia terminal detects an identifier of an access right rank of a super link, compares the current access right rank of the terminal with the identified access right rank of the super link, and attaches a detection result or a comparison result serving as right information to the URL request. The invention also provides corresponding device and method. The system, the device and the method can perform the cascade protection on the contents of the IPTV service, and the maintenance cost is extremely low.
Description
Technical field
The present invention relates to network information security resist technology, relate in particular to system, the device and method of Web TV (IPTV, InternetProtocol Television) business tine cascade protection.
Background technology
The IPTV business development is rapid, and it merges traditional tv and internet content, except the existing-quality television program is provided clearly, has surmounted Digital Television and simulated television at aspects such as individual character program request, interactivity.The IPTV business provides the bulk information service, in the demand of the different levels that satisfy the user, also will consider how to solve the major issue that limited users (as the teenager) is browsed limited content.Therefore, how to carry out effective cascade protection, become the current problem that urgently will solve at business tine.
At the IPTV business characteristic, existing business tine cascade protection technology comprises traditional analog television program and two aspects of network browsing content.
In traditional analog television program signal, two kinds of solutions are arranged roughly.
The U.S. V-chip and the television content hierarchy system of solution are proposed the earliest.V-chip is mounted in a kind of chip of television set, can select according to the grade that program delimited, and helps the teenager head of a family to control the broadcast of some program.Television content hierarchy system established standards is classified, encodes, is transmitted program, and on video screen, the content that prompting is about to play belongs to that grade by icon display, so that carry out content play control.This technical scheme exists defective to be, the television set of originally having bought needs software upgrading and HardwareUpgring, can cause cost to rise like this; For the control of program, still need control in addition as the third-party head of a family.
Have again, reach the content shielding by some program channel is locked, but this method has significant limitation, very inapplicable for present IPTV.
In the Web page contents step resist technology of network, two kinds of solutions are arranged roughly also.
The one, on the terminal browser, by webpage URL(uniform resource locator) (URL, Uniform ResourceLocator) keyword shielding, for example " ad " advertisement etc. is to reach the content shielding to this website;
The 2nd, can shield some web page contents by key vocabularies; for example in search engine, can mask special keyword; but these all can not fundamentally solve Web page contents step well and protect this problem, as long as because network address is arranged, its content is still can be accessed.
Therefore, need in existing IPTV business, provide a kind of effective method, system and device, the function of EPG web page browsing navigation and information service can either be provided, can guarantee that again limited users can not arbitrarily visit other content of restricted level, and maintenance cost is few again, can greatly promote the development of IPTV business thus.
Summary of the invention
Technical problem to be solved by this invention provides the method, system and device of a kind of IPTV business tine cascade protection; can be in the function that EPG web page browsing navigation and information service are provided; realization is carried out restriction of classification effectively and protection to business tine, and can keep lower maintenance cost.
In order to solve the problems of the technologies described above, the invention provides the system of a kind of IPTV business tine cascade protection, comprise interconnective web page server and multimedia terminal; Wherein:
Web page server is used at the electronic program guides webpage for needing the hyperlink page definition and the identification access Permission Levels of cascade protection; When the uniform resource position mark URL request of receiving from the multimedia terminal, determine whether to be handed down to multimedia terminal hyperlink web data according to authority information additional in the request;
The multimedia terminal, be used for when receiving the hyperlink request that the user proposes, detect the access rights rank sign of this hyperlink, the access rights rank of the access rights rank that this terminal is current and the hyperlink of sign compares, and testing result or comparative result are attached in the described URL request as authority information.
Further,
Web page server then issues the hyperlink web data if detect authority by information in described URL request; Otherwise, issue the info web of pointing out insufficient permission;
The multimedia terminal is if compare the access rights rank of the current access rights rank of this terminal more than or equal to the hyperlink of sign, and perhaps if do not detect described sign, then the information that authority is passed through is attached in the URL request; Otherwise the information of insufficient permission is attached in the URL request.
Further, the multimedia terminal also is used for receiving that the user is provided with or revises the Permission Levels request of this terminal current accessed and verifies when correct through user cipher, is provided with or revises terminal current accessed Permission Levels according to request.
Further, the current access rights rank of terminal is to give tacit consent to first or the access rights rank by setting in advance or passing through to change.
In order to solve the problems of the technologies described above, the invention provides a kind of URL(uniform resource locator) send-request unit, be used for the multimedia terminal and realize IPTV business tine cascade protection function, this device comprises and connecting successively: link authority acquiring module, detect comparison module and sending module; Wherein:
Link authority acquiring module is used for after the hyperlink request of receiving the user Authorization Attributes of its this hyperlink of obtaining being exported to the detection comparison module;
Detect comparison module, be used for the Authorization Attributes of hyperlink of input is detected, when detecting described attribute the Permission Levels sign is arranged, then the current Permission Levels of Permission Levels and multimedia terminal with the hyperlink of sign compare, and comparative result is exported to sending module;
Sending module, it is the URL request that the comparative result that is used for importing is attached to the URL(uniform resource locator) that will send as additional information.
Further, described device also comprises and detects the terminal authority editor module that comparison module is connected, be used to provide setting, revise the interface of terminal authority, and will give tacit consent to or through setting or the current Permission Levels in modified multimedia terminal export to the detection comparison module.
In order to solve the problems of the technologies described above, the invention provides a kind of URL(uniform resource locator) request receiving system, be used for web page server and realize IPTV business tine cascade protection function, this device comprises and connecting successively: receiver module, detection module and data distributing module; Wherein:
Receiver module, the URL(uniform resource locator) that is used for its reception is that the URL request is transferred to detection module;
Detection module is used for that request detects to the URL that receives, does not contain authority information in this request of detection, or detects and contain authority information in this request and this authority information is that authority is passed through, and then exports normal data to the data distributing module and issues indication; Otherwise, issue indication to data distributing module outputting alarm information;
The data distributing module is used for receiving that normal data issues the indication back and issues correct web data to the multimedia terminal, or is receiving that warning information issues the indication back issues warning information from insufficient permission to the multimedia terminal.
In order to solve the problems of the technologies described above, the invention provides the method for a kind of IPTV business tine cascade protection, relate to web page server and multimedia terminal, this method comprises:
A, multimedia terminal are when receiving the hyperlink request that the user proposes, detect the access rights rank sign of this hyperlink, the access rights rank of the access rights rank that this terminal is current and the hyperlink of sign compares, and testing result or comparative result is attached in the URL request as authority information is sent to web page server;
Whether B, web page server are that authority is by determining whether to be handed down to multimedia terminal hyperlink web data according to authority information additional in this request when receiving the URL request.
Further, described method also comprises before steps A: web page server is hyperlink page definition and the identification access Permission Levels that need cascade protection in advance in the electronic program guides webpage.
Further, described method also comprises: the multimedia terminal through correct to the user cipher checking, then is provided with or revises terminal current accessed Permission Levels according to request when receiving that the user is provided with or revises the request of this terminal current accessed Permission Levels.
Further,
Steps A comprises: the multimedia terminal is if relatively the current access rights rank of this terminal is more than or equal to the access rights rank of the hyperlink of sign, perhaps in request if do not detect described sign, then the information that authority is passed through is attached in the URL request; Otherwise the information of insufficient permission is attached in the URL request;
Step B comprises: web page server then issues the hyperlink web data if detect authority by information in the URL request; Otherwise, issue the info web of pointing out insufficient permission.
In order to solve the problems of the technologies described above, the invention provides a kind of URL(uniform resource locator) request sending method, be used for the multimedia terminal and realize IPTV business tine cascade protection function, this method comprises:
The access rights rank sign that whether contains hyperlink in the request is detected in the multimedia terminal after the hyperlink request of receiving the user;
When detecting described sign, and relatively the current access rights rank of this terminal is more than or equal to the access rights rank of hyperlink, and perhaps if do not detect described sign, then to be attached to URL(uniform resource locator) be in the URL request to the information that authority is passed through; Otherwise, the information of insufficient permission is attached in the URL request;
The URL request is sent to web page server.
In order to solve the problems of the technologies described above, the invention provides a kind of URL(uniform resource locator) request method of reseptance, be used for web page server and realize IPTV business tine cascade protection function, this method comprises:
It is to contain authority information in the URL request that web page server detects URL(uniform resource locator), and this authority information is that authority is passed through, and then issues correct web data to the multimedia terminal; Otherwise, promptly do not contain authority information in the URL request, or the authority information that contains is insufficient permission, then issue the info web of insufficient permission to the multimedia terminal.
The present invention is by IPTV system additional Permission Levels sign in the EPG web page interlinkage; carry out the multimedia terminal that Permission Levels are provided with at this sign; when proposing the hyperlink request, the user judges automatically whether this request satisfies the authority of visit, to reach the purpose that the indicated content of this link is carried out cascade protection.Simultaneously in the IPTV system, the multimedia terminal can free upgrade to this function, and the EPG server only need be changed some webpages and gets final product, so maintenance cost is extremely low.
Description of drawings
Fig. 1 is the system architecture diagram of IPTV business tine of the present invention cascade protection;
Fig. 2 a is at the URL of multimedia terminal shown in Figure 1 120 send-request unit structured flowchart;
Fig. 2 b is the method flow diagram that the multimedia terminal sends the URL request in the system of the present invention;
Fig. 2 c is the method flow diagram that the current accessed authority is revised in the multimedia terminal in the system of the present invention;
Fig. 3 a is at the URL of web page server shown in Figure 1 110 request receiving system structured flowchart;
Fig. 3 b is the method flow diagram that web page server receives the URL request in the system of the present invention.
Embodiment
The system of IPTV business tine provided by the invention cascade protection comprises: web page server and multimedia terminal; Wherein, web page server except information browse and data, services are provided, also defines the Permission Levels of each hyperlink page access at the EPG webpage, and clearly identifies these Permission Levels in hyperlink; The multimedia terminal is when receiving the webpage hyperlink request that the user proposes, the access rights rank that this terminal is current (acquiescence or by setting in advance) compares with the access rights rank of this banner, judge whether this terminal has authority to visit this url page surface information, and the authority information of judging is attached in the URL request that web page server sends; After web page server is received this URL request, whether issue the hyperlink web data of request, guarantee that with this limited content can not offer the low limited colony of access rights rank according to wherein additional authority information decision.
Below in conjunction with accompanying drawing and preferred embodiment technical scheme of the present invention is described further.Be stressed that at this following example only is used for explanation, explains the present invention, but not is used to limit the present invention.
Fig. 1 has represented the structure of the system of IPTV business tine of the present invention cascade protection, and this system 100 comprises interconnective web page server 110 and multimedia terminal 120 (such as set-top box); Wherein:
In above-mentioned comparison, when the current access rights rank of this terminal during more than or equal to the access rights rank of this webpage hyperlink sign, or the latter do not have access rights rank sign (representing the undefined access rights rank of this hyperlink), and then the information that authority is passed through is attached in the URL request; Otherwise, the information of insufficient permission is attached in the URL request.
Countries in the world all are very different for the standard of IPTV business tine cascade protection at present; the content rights rank can be set on the IPTV business: G level (General; regular grade), PG level (ParentalGuidance; parents teach level), PG-13 level, R level (Restricted; limited level), NC-17 level (nochildren under17, uncomfortable 17 grades of children) etc.
If the user want at any time to visit its do not have a link of access rights, multimedia terminal 120 jumps to insufficient permission warning webpage for it, the prompting user need change to higher access rights rank, and provide the link of revising authority and turn back to the web page interlinkage of visiting previously, be equal to, or greater than this links and accesses Permission Levels so that the user can be revised as the current accessed Permission Levels, and in time have access to it and want the content of visiting.And the user change the current accessed Permission Levels need be through user cipher checking.
Above-mentioned functions can free upgrade be arrived in multimedia terminal 120, only needs the EPG server to change some webpages and gets final product, so maintenance cost is extremely low.
What Fig. 2 a explained is the URL send-request unit that the present invention designs in multimedia terminal 120, be used for multimedia terminal 120 and carry out the cascade protection of IPTV business tine, this device 200 comprises connection successively: link authority acquiring module 201, detection comparison module 202, sending module 203, and the terminal authority editor module 204 that is connected with detection comparison module 202; Wherein:
Link authority acquiring module 201 is used for after the hyperlink request of receiving the user, the Authorization Attributes of its this hyperlink of obtaining is exported to detected comparison module 202;
Detect comparison module 202, be used for the Authorization Attributes of the hyperlink of link authority acquiring module 201 outputs is detected, when detecting hyperlink the Permission Levels sign is arranged, then the Permission Levels and the current Permission Levels of this terminal of hyperlink with sign compare, and comparative result is exported to sending module 203;
Sending module 203 is used for the comparative result of sending module 203 outputs is attached to the URL request that will send as additional information;
Terminal authority editor module 204 is used to provide setting, revises the interface of terminal authority, and will give tacit consent to or through be provided with or modified terminal authority export to detection comparison module 202.
What Fig. 2 b represented is the method flow diagram that the multimedia terminal sends the URL request in the said system of the present invention, this flow process is back execution of webpage hyperlink request (such as the user clicks the hyperlink of certain program in the EPG webpage) of receiving that in the multimedia terminal user proposes, and comprises the steps:
211: the multimedia terminal obtains the URL request msg and the Authorization Attributes of this hyperlink;
212: judge whether this hyperlink has access rights rank sign, if execution in step 213 is arranged, if do not have, represents the undefined access rights rank of this hyperlink, promptly this hyperlink is not added protection, and then execution in step 215;
213: continue whether to judge the current authority of this terminal less than the required authority of this hyperlink, if, expression execution in step 214; Execution in step 215 then if not;
214: insufficient permission information is attached in the URL request that is sent to web page server process ends;
215: authority is attached in the URL request that is sent to web page server process ends by information.
What Fig. 2 c described is that the multimedia terminal is the method flow of the current Permission Levels of user's modification terminal, and this flow process is to carry out after the terminal authority modification request that the user proposes is received in the multimedia terminal, comprises the steps:
221: judge that whether the existing Permission Levels of this terminal equate with the Permission Levels that the user will set, if then do not make amendment, process ends; Execution in step 222 then if not;
222: the user inputs password under prompting;
223: whether the checking user cipher is correct, if execution in step 224, execution in step 225 then if not;
224: the Permission Levels of preserving user's setting are as the current Permission Levels of terminal, process ends;
225: judge whether enough to continue number of attempt, if refusal is revised Permission Levels, process ends; Then returning step 222 if not carries out.
Current authority in multimedia terminal and target authority must just can be carried out authority through the user cipher proof procedure and revise not simultaneously; When if the current authority of terminal is identical with the target authority, do not need to make amendment through password authentification.Terminal Permission Levels after revising successfully are as current Permission Levels.
Fig. 3 a has represented that this device 300 comprises receiver module 301, detection module 302 and the data distributing module 303 that connects successively in the structure of the URL of web page server shown in Figure 1 110 request receiving system; Wherein:
Receiver module 301 is used for the URL request of its reception is transferred to detection module 302;
Detection module 302 is used for that request detects to the URL that receives, does not contain authority information in detecting request, or detects and contain authority information in the request and this authority information is that authority is passed through, and then issues indication to data distributing module 303 output normal data; Otherwise, issue indication to data distributing module 303 outputting alarm information;
Data distributing module 303 is used for receiving that normal data issues the indication back and issues correct web data to the multimedia terminal, or is receiving that warning information issues the indication back issues " insufficient permission " to the multimedia terminal warning information.
Fig. 3 b has represented that web page server receives the method flow diagram that URL asks in the said system of the present invention, and this flow process receives that at web page server many matchmakers carry terminal transmission URL request back and carry out, and comprises the steps:
310: at first detect in the URL request whether contain authority information, if execution in step 320 is arranged; If do not have, flow process shown in Figure 2 (for example without the terminal of upgrading) is not carried out in the expression multimedia terminal, then is considered as insufficient permission and handles, execution in step 340;
320: judge whether this authority information is that authority is passed through, if execution in step 330, execution in step 340 then if not;
330: issue correct web data, process ends to the multimedia terminal;
340: issue the info web of " insufficient permission ", process ends to the multimedia terminal.
In sum; the present invention is by system's additional Permission Levels sign in the EPG web page interlinkage as can be seen; carry out the multimedia terminal that Permission Levels are provided with at this sign; when proposing the hyperlink request, the user judges automatically whether this request satisfies the authority of visit, to reach the purpose that the indicated content of this link is carried out cascade protection.In the IPTV system, this function can free upgrade be arrived in the multimedia terminal, only needs the EPG server to change some webpages and gets final product, so can make maintenance cost extremely low simultaneously.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (13)
1. the system of IPTV business tine cascade protection is characterized in that, described system comprises interconnective web page server and multimedia terminal; Wherein:
Described web page server is used at the electronic program guides webpage for needing the hyperlink page definition and the identification access Permission Levels of cascade protection; When the uniform resource position mark URL request of receiving from described multimedia terminal, determine whether to be handed down to described multimedia terminal hyperlink web data according to authority information additional in the described request;
Described multimedia terminal, be used for when receiving the hyperlink request that the user proposes, detect the access rights rank sign of this hyperlink, the access rights rank of the access rights rank that this terminal is current and the described hyperlink of sign compares, and testing result or comparative result are attached in the described URL request as described authority information.
2. according to the described system of claim 1, it is characterized in that,
Described web page server then issues described hyperlink web data if detect authority by information in described URL request; Otherwise, issue the info web of pointing out insufficient permission;
Described multimedia terminal is if relatively the described current access rights rank of this terminal is more than or equal to the access rights rank of the described hyperlink of sign, and perhaps if do not detect described sign, then the information that authority is passed through is attached in the described URL request; Otherwise the information of insufficient permission is attached in the described URL request.
3. according to claim 1 or 2 described systems, it is characterized in that, described multimedia terminal also is used for receiving that the user is provided with or revises the Permission Levels request of this terminal current accessed and verifies when correct through user cipher, according to the described request setting or revise described terminal current accessed Permission Levels.
4. according to the described system of claim 3, it is characterized in that the current access rights rank of described terminal is to give tacit consent to first or the access rights rank by setting in advance or passing through to change.
5. URL(uniform resource locator) send-request unit is used for the multimedia terminal and realizes IPTV business tine cascade protection function, it is characterized in that, described device comprises and connecting successively: link authority acquiring module, detect comparison module and sending module; Wherein:
Described link authority acquiring module is used for after the hyperlink request of receiving the user Authorization Attributes of its this hyperlink of obtaining being exported to described detection comparison module;
Described detection comparison module, be used for the Authorization Attributes of described hyperlink of input is detected, when detecting described attribute the Permission Levels sign is arranged, then the current Permission Levels of the Permission Levels of the described hyperlink that will identify and described multimedia terminal compare, and comparative result is exported to described sending module;
Described sending module, it is the URL request that the described comparative result that is used for importing is attached to the described URL(uniform resource locator) that will send as additional information.
6. according to the described device of claim 5, it is characterized in that, described device also comprises the terminal authority editor module that is connected with described detection comparison module, be used to provide setting, revise the interface of terminal authority, and will give tacit consent to or through setting or the current Permission Levels in modified described multimedia terminal export to described detection comparison module.
7. URL(uniform resource locator) request receiving system is used for web page server and realizes IPTV business tine cascade protection function, it is characterized in that, described device comprises and connecting successively: receiver module, detection module and data distributing module; Wherein:
Described receiver module, the URL(uniform resource locator) that is used for its reception is that the URL request is transferred to described detection module;
Described detection module, be used for the described URL request of receiving is detected, in detecting described request, do not contain authority information, or detect and contain authority information in the described request and this authority information is that authority is passed through, then issue indication to described data distributing module output normal data; Otherwise, issue indication to described data distributing module outputting alarm information;
Described data distributing module is used for receiving that described normal data issues the indication back and issues correct web data to the multimedia terminal, or is receiving that described warning information issues the indication back issues warning information from insufficient permission to described multimedia terminal.
8. the method for IPTV business tine cascade protection relates to web page server and multimedia terminal, and this method comprises:
A, described multimedia terminal are when receiving the hyperlink request that the user proposes, detect the access rights rank sign of described hyperlink, the access rights rank of the access rights rank that this terminal is current and the described hyperlink of sign compares, and testing result or comparative result is attached in the described URL request as authority information is sent to described web page server;
Whether B, described web page server are that authority is by determining whether to be handed down to described multimedia terminal hyperlink web data according to authority information additional in the described request when receiving that described URL asks.
9. in accordance with the method for claim 8, it is characterized in that described method also comprises before steps A: described web page server is hyperlink page definition and the identification access Permission Levels that need cascade protection in advance in the electronic program guides webpage.
10. in accordance with the method for claim 8, it is characterized in that, described method also comprises: described multimedia terminal is when receiving that the user is provided with or revises the request of this terminal current accessed Permission Levels, through correct, then according to the described request setting or revise described terminal current accessed Permission Levels to user cipher checking.
11. according to each described method of claim 8 to 10, it is characterized in that,
Steps A comprises: described multimedia terminal is if relatively the described current access rights rank of this terminal is more than or equal to the access rights rank of the described hyperlink of sign, perhaps in described request if do not detect described sign, then the information that authority is passed through is attached in the described URL request; Otherwise the information of insufficient permission is attached in the described URL request;
Step B comprises: described web page server then issues described hyperlink web data if detect authority by information in described URL request; Otherwise, issue the info web of pointing out insufficient permission.
12. a URL(uniform resource locator) request sending method is used for the multimedia terminal and realizes IPTV business tine cascade protection function, it is characterized in that described method comprises:
The access rights rank sign that whether contains hyperlink in the described request is detected in described multimedia terminal after the hyperlink request of receiving the user;
When detecting described sign, and relatively the described current access rights rank of this terminal is more than or equal to the access rights rank of described hyperlink, perhaps if do not detect described sign, then to be attached to URL(uniform resource locator) be in the URL request to the information that authority is passed through; Otherwise, the information of insufficient permission is attached in the described URL request;
Described URL request is sent to web page server.
13. a URL(uniform resource locator) request method of reseptance is used for web page server and realizes IPTV business tine cascade protection function, it is characterized in that described method comprises:
It is to contain authority information in the URL request that described web page server detects URL(uniform resource locator), and this authority information is that authority is passed through, and then issues correct web data to the multimedia terminal; Otherwise, do not contain authority information in the promptly described URL request, or the authority information that contains is insufficient permission, then issue the info web of insufficient permission to the multimedia terminal.
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| CN 200810173522 CN101729574B (en) | 2008-10-31 | 2008-10-31 | System, device and method for cascade protection of contents of IPTV service |
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| CN 200810173522 CN101729574B (en) | 2008-10-31 | 2008-10-31 | System, device and method for cascade protection of contents of IPTV service |
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| CN102843366A (en) * | 2012-08-13 | 2012-12-26 | 北京百度网讯科技有限公司 | Network resource access permission control method and device |
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| CN102843366B (en) * | 2012-08-13 | 2019-05-28 | 北京百度网讯科技有限公司 | A kind of network resource accession authority control method and device |
| CN104426887A (en) * | 2013-09-04 | 2015-03-18 | 华为技术有限公司 | Method and device for determining service authority |
| CN104426887B (en) * | 2013-09-04 | 2018-06-19 | 华为技术有限公司 | Service authority determines method and apparatus |
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| CN105516099A (en) * | 2015-11-30 | 2016-04-20 | 北京奇艺世纪科技有限公司 | Business side access method and device, and business side access rule configuration method and device |
| CN105516099B (en) * | 2015-11-30 | 2019-02-22 | 北京奇艺世纪科技有限公司 | A kind of method and apparatus of business side access and the configuration of access rule |
| CN108280024A (en) * | 2017-12-29 | 2018-07-13 | 五八有限公司 | Traffic distribution strategy test method, device and electronic equipment |
| CN110457612A (en) * | 2019-10-14 | 2019-11-15 | 江苏金恒信息科技股份有限公司 | A kind of terminal page access method and system |
| WO2022083236A1 (en) * | 2020-10-20 | 2022-04-28 | 深圳市前海手绘科技文化有限公司 | Animated video backup method and apparatus therefor, and animated video management method and apparatus therefor |
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