CN101783803B - Webpage filtering method and data card - Google Patents
Webpage filtering method and data card Download PDFInfo
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- CN101783803B CN101783803B CN201010106516.6A CN201010106516A CN101783803B CN 101783803 B CN101783803 B CN 101783803B CN 201010106516 A CN201010106516 A CN 201010106516A CN 101783803 B CN101783803 B CN 101783803B
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- network address
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- web page
- hash table
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Abstract
The invention provides a webpage filtering method and a data card, the technical scheme of which is as follows: the interior of the data card is embedded with the webpage filtering function, and the data card is connected with a computer by a USB port. The data card comprises driving software and a UI at the side of the computer. The UI provides a visual interface for users; and the users can finish all operations concerning the data card on the UI port. The technical scheme overcomes the defect that the conventional data card has low on-line safety, i.e. on-line users achieve the purpose of avoiding the network monitoring by unloading a green on-line software or replacing a computer. In the technical scheme of the invention, since the filtering software is embedded in the data card, the users have no permission to load the software and the data card is the hardware device required by a plurality of terminals, thus achieving the purpose that the on line is monitored.
Description
Technical field
The present invention relates to wireless communication field, more properly, relate to a kind of Webpage filtering method and data card.
Background technology
Along with carrying out of 3G data service, it is popular that the 3G card of surfing Internet of the TD-SCDMA standard that China Mobile carries out has started to move towards, user is when enjoying high speed Internet access experience, service request for 3G business also becomes more and more higher, because being directed to pupillary safeguard measure, current network is also nowhere near, cause the teenager will unrestricted browsing network information, wherein may comprise a lot of unhealthy information, teenager is caused to serious harmful effect, although there are at present some green internet softwares, but they concentrate on PC side, once user has changed a computer that there is no such green internet software, for user, any safeguard measure will have been there is no so, from source, not playing online is the object of starting protection.This patent has proposed a kind of 3G card of surfing Internet of embedded home page filter function; the user head of a family can be by logging in the website that manufacturer provides or the method manually arranging creates webpage blacklist; prevent that child from logging in harmful website, thereby reached the object of the impact of avoiding network flame of protecting young people.
Summary of the invention
The object of the invention is to overcome the existing low defect of data card Internet Security.
For achieving the above object, the present invention proposes a kind of data card with home page filter function, it is characterized in that: described data card comprises central processing module, home page filter module and UI, wherein,
Central processing module, completes 3G card of surfing Internet basic function, comprises upload and download, note, multimedia message, the phonebook function of data;
Home page filter module, the webpage that need to filter for filter user;
UI, for user provides the graphic user interface of operating data card.
Further, above-mentioned data card also comprises: described UI interface can provide user manually to input the network address that need to filter out, or according to prompting, logs in filtering web page server and automatically upgrade filtering network address.
Further, above-mentioned data card also comprises: after closing described data card, data card can record all websites that this user browsed, and by logging in the data card administration interface of UI, can check the network address of being browsed.
Further, above-mentioned data card also comprises: described home page filter module is embedded in the internal memory of data card module, can be set by the user or log in filtering web page server and automatically upgrade filtering content.
Further, above-mentioned data card also comprises: described data card also comprises internal memory, in the internal memory of described data card, open up a region and set up a dynamic Hash table, in the filtering web page network address that user manually inputs or the network address blacklist of downloading from filtering web page network address server, network address all can be stored in this Hash table, and give fixing Index of each network address, this Index is exactly the hash value that Hash table calculates.
Further, above-mentioned data card also comprises: when user accesses network address, when keying in a network address, system will be calculated the corresponding hash value of this network address, and search corresponding Index value at Hash table, if do not find corresponding Index value, illustrate that the network address that user accesses is at present legal, can continue access, if there is situation about can mate with the Index in Hash table need to carry out the coupling of next step character string, extract current character, if capitalization is converted to small letter.Unsuccessful when current character explanation coupling when character under corresponding Index in blacklist does not mate, the network address of user's access is at present legal, and user can continue operation.If the match is successful, the corresponding pointer of character string moves to right 8, carries out the coupling of character late, if the match is successful, this packet will be prohibited to send to PC terminal, all take the data that this address is packet header all will conductively-closed.
The present invention also provides a kind of method of home page filter, it is characterized in that: by embedded home page filter functional software in data card, and filtering web page network address is set or is certainly dynamically connected filtering web page network address server download filtering web page website information by data card UI, when user connects described filtering web page network address, home page filter software will stop and connect this network address.
Further, said method also comprises: when user connects described filtering web page network address, home page filter software stops packet to continue to send, same alarm, and record illegal network address.
Further, said method also comprises: in the internal memory of described data card, open up a region and set up a dynamic Hash table, in the filtering web page network address that user manually inputs or the network address blacklist of downloading from filtering web page network address server, network address all can be stored in this Hash table, and give fixing Index of each network address, this Index is exactly the hash value that Hash table calculates.
Further, said method also comprises: when user accesses network address, when keying in a network address, system will be calculated the corresponding hash value of this network address, and search corresponding Index value at Hash table, if do not find corresponding Index value, illustrate user at present the network address of access be legal, can continue access, if there is situation about can mate with the Index in Hash table need to carry out the coupling of next step character string.
Further, said method also comprises: extract current character, if capitalization is converted to small letter.Unsuccessful when current character explanation coupling when character under corresponding Index in blacklist does not mate, the network address of user's access is at present legal, and user can continue operation.If the match is successful, the corresponding pointer of character string moves to right 8, carries out the coupling of character late, if the match is successful, this packet will be prohibited to send to PC terminal, all take the data that this address is packet header all will conductively-closed.
In technical solution of the present invention, because filter software is embedded in data card, user does not have the authority of uninstall, and data card to be a lot of terminals surf the Net necessary hardware device is monitored object thereby reached online.
Accompanying drawing explanation
Fig. 1 is the module diagram of embodiment of the present invention home page filter;
Fig. 2 is the method flow schematic diagram of embodiment of the present invention home page filter.
Embodiment
Technical solution of the present invention overcomes the existing low defect of data card Internet Security, that is: Internet user has reached the object of evading network monitoring by unloading green internet software or replacing computer.In technical solution of the present invention, because filter software is embedded in data card, user does not have the authority of uninstall, and data card to be a lot of terminals surf the Net necessary hardware device is monitored object thereby reached online.
The present invention adopts following technical scheme: embedded home page filter function in data card, data card is connected with computer by USB (Universal Serial Bus) interface.Described data card has comprised drive software and the UI (User Interface) of computer-side.UI provides a visual interface for user, and user can complete about all operations of data card on UI interface.
The Webpage filtering method of data card of the present invention comprises the following steps:
The first step: carry out network connection, can normally carry out the upload and download of data.
Second step: open web page browsing instrument, the network address that input will be browsed.
The 3rd step: wireless network card is accepted data, by data group bag.
The 4th step: before packet is issued to PC side, the filter software that first enters the Web page, judges the legitimacy of network address, if legal, arrives PC side by Packet Generation, can normally browse.
The 5th step: if network address is illegal, will stops and connect this network address, and stop packet to continue to send, same alarm, and record illegal network address.
The present invention is a data card that possesses embedded home page filter function, when can completing data basic function, again webpage blacklist can be set, and user is monitored, and masks some bad network address, thereby reaches the object of protection user and computer.
Below in conjunction with accompanying drawing, the enforcement of technical scheme is described in further detail:
Fig. 1 is the module diagram that the embodiment of the present invention has the data card of home page filter function, comprises central processing module 101, home page filter module 102, PC side UI103 and connection of antenna receiving end 104:
Central processing module 101, this part completes all basic functions of 3G card of surfing Internet, comprises the upload and download of data, note, multimedia message, the functions such as phone directory.Data card and wireless Internet card difference?
Home page filter module 102, for filtering the webpage that needs filtration, this part is embedded in the internal memory of data card module, and in can being set by the user or logging in, emerging website be upgraded filtering content automatically.
PC side UI103, UI interface provides the graphic user interface of operating data card for user.User can be in the network address that manually input need to filter out, or according to prompting, log in filtering web page server and automatically upgrade filtering network address, after closing data card, data card can record all websites that this user browsed, the network address (comprising the network address that occurs warning) that the head of a family can check that by logging in the data card administration interface of UI child browsed.
Network address filter process is mainly the extracting method that has proposed a kind of network behavior analytical parameters, here the filtering process of network address will be described in detail: in order to extract accurately behavioral parameters, conventionally need to analyze the feature of the data of carrying in network flow, this method accuracy is very high, but need a large amount of calculating, the reprocessing of can only doing things.And that the present invention need to make within the shortest time is corresponding, instantaneity is quite important, the legitimacy of network address in judgement data flow, and we only need to judge the packet packet header characteristic that user receives, and the content of essence in needn't focused data bag has so just improved the time of content retrieval greatly.So we can adopt following a kind of string matching algorithm:
First in the internal memory of data card, open up a region and set up a dynamic Hash table, in the network address blacklist of downloading on the network address that user manually inputs or therefrom emerging website, network address all can be stored in this Hash table, and give fixing Index of each network address, this Index is exactly the hash value that Hash table calculates.
When user accesses network address, when keying in a network address, system will be calculated the corresponding hash value of this network address, and search corresponding Index value at Hash table, if do not find corresponding Index value, illustrate that the network address that user accesses is at present legal, can continue access, if there is situation about can mate with the Index in Hash table need to carry out the coupling of next step character string.
Extract current character, if capitalization is converted to small letter.Unsuccessful when current character explanation coupling when character under corresponding Index in blacklist does not mate, the network address of user's access is at present legal, and user can continue operation.If the match is successful, the corresponding pointer of character string moves to right 8, carries out the coupling of character late, if the match is successful, this packet will be prohibited to send to PC terminal, all take the data that this address is packet header all will conductively-closed.
User's all operations, comprises the configuration of home page filter software, and webpage record is checked in login, emerging network upgrade blacklist operation in logging in, and user's browsing page etc. is all to carry out in PC side.
The process of user's online is exactly that data arrive antenna element, and antenna element is to card side, and card side is to a process of PC side and reverse order.
Fig. 2 is the method flow schematic diagram of embodiment of the present invention home page filter, and idiographic flow step is as follows:
201: log-on data card;
Refer to user's data inserting card, data card port is enumerated normally, and data card has been arrived in system identification.
202: be connected to network;
It is capable with e that finger user opens China Mobile, is connected to network.
203: enter administrator mode;
Refer to that user opens UI interface, input username and password, enters administrator mode, and at this moment UI prompting input needs the network address of shielding and determines.
204: shielding network address is set;
Refer to UI interface can point out whether need to enter in the emerging home page of company carry out the renewal of webpage blacklist, click "Yes", the database update webpage blacklist that data card can logon web page, can complete after having upgraded in prompting user renewal.
205: complete configuration;
At this time data card can disconnect network, and points out and release administrator mode and close data card UI interface, at this moment, for data card configuration operation, completes.
206: restart Internet normal use;
Restart China Mobile capable with e, be connected to network, at this moment user can normal browsing network.
207: blacklist alarm;
Refer to that eject at data card UI interface when user has browsed to the website that is kept at online Software Blacklist the inside, the harmful webpage of prompting browsing, requires user to close the webpage of current browsing.
208: disconnect network;
If refer to that user has closed harmful website of prompting, data card UI also will close at interface automatically, and user can continue browse network, if user continues to browse harmful webpage or do not carry out any operation, surpass 30 seconds, and data card will automatically disconnect network and connect.
209: the record of browsing of checking last time;
Refer to when user be through with this network connect after and after disconnection network, data card side will be preserved all websites that this user browsed automatically, will see that web page browsing last time record is comprising the record of reporting to the police for some harmful websites when user logs in data card UI interface with administrator mode after.
Certainly; the present invention also can have numerous embodiments; in the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes or variation; in every case any modification of doing within the spirit and principles in the present invention, be equal to replacements, improvement, within protection scope of the present invention all should be included in.
Claims (6)
1. a data card with home page filter function, is characterized in that: described data card comprises central processing module, home page filter module and UI, wherein,
Central processing module, completes 3G card of surfing Internet basic function, comprises upload and download, note, multimedia message, the phonebook function of data;
Home page filter module, the webpage that need to filter for filter user;
UI, for user provides the graphic user interface of operating data card;
Described data card also comprises internal memory, in the internal memory of described data card, open up a region and set up a dynamic Hash table, in the filtering web page network address that user manually inputs or the network address blacklist of downloading from filtering web page network address server, network address all can be stored in this Hash table, and give fixing Index of each network address, this Index is exactly the hash value that Hash table calculates;
When user accesses network address, when keying in a network address, system will be calculated the corresponding hash value of this network address, and search corresponding Index value at Hash table, if do not find corresponding Index value, illustrate that the network address that user accesses is at present legal, can continue access, if there is situation about can mate with the Index in Hash table need to carry out the coupling of next step character string, extract current character, if capitalization is converted to small letter, when current character explanation coupling when character under corresponding Index in blacklist does not mate unsuccessful, the network address that is current user's access is legal, user can continue operation, if the match is successful, the corresponding pointer of character string moves to right 8, carry out the coupling of character late, if the match is successful, this packet will be prohibited to send to PC terminal, all take the data that this address is packet header all will conductively-closed.
2. data card as claimed in claim 1, is characterized in that: described UI interface can provide user manually to input the network address that need to filter out, or according to prompting, logs in filtering web page server and automatically upgrade filtering network address.
3. data card as claimed in claim 1, is characterized in that: after closing described data card, data card can record all websites that this user browsed, and by logging in the data card administration interface of UI, can check the network address of being browsed.
4. data card as claimed in claim 1, is characterized in that: described home page filter module is embedded in the internal memory of data card module, can be set by the user or log in filtering web page server and automatically upgrade filtering content.
5. the method for a home page filter, it is characterized in that: by embedded home page filter functional software in data card, and filtering web page network address is set or is certainly dynamically connected filtering web page network address server download filtering web page website information by data card UI, when user connects described filtering web page network address, home page filter software will stop and connect this network address;
In the internal memory of described data card, open up a region and set up a dynamic Hash table, in the filtering web page network address that user manually inputs or the network address blacklist of downloading from filtering web page network address server, network address all can be stored in this Hash table, and give fixing Index of each network address, this Index is exactly the hash value that Hash table calculates;
When user accesses network address, when keying in a network address, system will be calculated the corresponding hash value of this network address, and search corresponding Index value at Hash table, if do not find corresponding Index value, illustrate that the network address that user accesses is at present legal, can continue access, if there is situation about can mate with the Index in Hash table need to carry out the coupling of next step character string;
Extract current character, if capitalization is converted to small letter, when current character explanation coupling when character under corresponding Index in blacklist does not mate unsuccessful, the network address that is current user's access is legal, user can continue operation, if the match is successful, the corresponding pointer of character string moves to right 8, carries out the coupling of character late, if the match is successful, this packet will be prohibited to send to PC terminal, all take the data that this address is packet header all will conductively-closed.
6. method as claimed in claim 5, is characterized in that: when user connects described filtering web page network address, home page filter software stops packet to continue to send, same alarm, and record illegal network address.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010106516.6A CN101783803B (en) | 2010-01-29 | 2010-01-29 | Webpage filtering method and data card |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010106516.6A CN101783803B (en) | 2010-01-29 | 2010-01-29 | Webpage filtering method and data card |
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| Publication Number | Publication Date |
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| CN101783803A CN101783803A (en) | 2010-07-21 |
| CN101783803B true CN101783803B (en) | 2014-04-09 |
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| CN201010106516.6A Expired - Fee Related CN101783803B (en) | 2010-01-29 | 2010-01-29 | Webpage filtering method and data card |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201047A (en) * | 2010-11-09 | 2011-09-28 | 湖南创合制造有限公司 | Computer management method |
| CN102651856B (en) | 2011-02-23 | 2015-06-17 | 腾讯科技（深圳）有限公司 | Method, system and device for improving Internet surfing security of terminal |
| CN102291405A (en) * | 2011-08-12 | 2011-12-21 | 曙光信息产业(北京)有限公司 | Network card supporting filtration and encryption of network data |
| CN102299978A (en) * | 2011-09-23 | 2011-12-28 | 上海西默通信技术有限公司 | Black list adding, filtering and redirecting method applied to DNS (Domain Name System) |
| CN105022745A (en) * | 2014-04-25 | 2015-11-04 | 中兴通讯股份有限公司 | Webpage information storage method and data card |
| CN106326455A (en) * | 2016-08-26 | 2017-01-11 | 乐视控股（北京）有限公司 | Web page browsing filtering processing method and system, terminal and cloud acceleration server |
| CN106469186A (en) * | 2016-08-29 | 2017-03-01 | 北京像素软件科技股份有限公司 | A kind of method and device of character string comparison |
| CN107301792A (en) * | 2017-05-25 | 2017-10-27 | 合肥矽智科技有限公司 | A kind of intelligence accompanies child's early education platform |
| CN109361646A (en) * | 2018-08-23 | 2019-02-19 | 广东电网有限责任公司信息中心 | Network security monitoring and cognitive method in a kind of application of mobile interchange |
| CN112242981A (en) * | 2019-07-19 | 2021-01-19 | 西安中兴新软件有限责任公司 | Website filtering method and device |
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| CN200941225Y (en) * | 2006-04-25 | 2007-08-29 | 东莞市东信网络技术有限公司 | Electronic member's card having electronic display |
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