CN102801745A - Method and system for accessing local area network WEB site by using wide area network browser - Google Patents
Method and system for accessing local area network WEB site by using wide area network browser Download PDFInfo
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- CN102801745A CN102801745A CN2011101336552A CN201110133655A CN102801745A CN 102801745 A CN102801745 A CN 102801745A CN 2011101336552 A CN2011101336552 A CN 2011101336552A CN 201110133655 A CN201110133655 A CN 201110133655A CN 102801745 A CN102801745 A CN 102801745A
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Abstract
The invention is applied to the field of communication, and provides a method and a system for accessing a local area network WEB site by using a wide area network browser. The method comprises the following steps that: a dynamic domain name server (DDNS) receives a first uniform resource locator (URL) from the wide area network browser, and outputs a new URL by using a reorientation method; the browser transmits a request to the DDNS after receiving the new URL; the DDNS forwards an access request to a DDNS client after receiving the request; and the DDNS client forwards the request after receiving the forwarded request, the WEB site automatically returns a result to the DDNS client after receiving the request, the DDNS client forwards the result to the DDNS, and the DDNS forwards the result to the browser. According to the embodiment, a plurality of WEB sites of an intranet can be accessed by an Internet browser without connection with the Internet, and fixed Internet protocol (IP) addresses are not required to be allocated to equipment with the WEB sites.
Description
Technical field
The invention belongs to the communications field, relate in particular to the method and system of a kind of wide area network browser access local area network (LAN) WEB website.
Background technology
The one URL: the original URL that browser sends is relative and the 2nd URL.
The 2nd URL:DDNS server is according to the access request of a URL, according to the URL of the TCP listening port generation that starts, with respect to a URL.
Illustrate: suppose that a URL is www.sina.com/username=user1? Password=sadf? Input www.sina.com/username=user1 during this URL of browser access? Password=sadf? Can the DDNS server be according to username=user1? Password=sadf? New URL:www.sina.com:7002 of information creating; I.e. www.sina.com/username=user1 in this example? Password=sadf? Be that a URL also is original URL, www.sina.com:7002 is the 2nd URL.
The method of passing through wide-area network access local area network (LAN) WEB website present mainly comprises following two kinds:
First kind of mode is: for the fixing IP of one of LAN router application, be each local area network (LAN) WEB website distribution port then on this router at first.
The second way is: DDNS service DDNS client software is installed on every computer, is that every computer provides access services through DDNS software.
But all there is different problems in above two kinds of methods; First kind of mode needs a fixedly IP; And also need on router, carry out port mapping when managing a plurality of WEB website at the same time, could realize the function of browser through a plurality of WEB of wide-area network access local area network (LAN) website.
The second way is installed DDNS software through giving every computer, though do not need a fixedly IP, each WEB website all needs online, and need develop different DDNS client softwares to various operating systems.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of wide area network browser access local area network (LAN) WEB method of website; Be intended to solve fixedly IP of prior art visit local area network (LAN) WEB website, and must surf the Net in the WEB website and be directed against the problem that various operating systems need be developed different DDNS client softwares.
The embodiment of the invention is achieved in that the method for a kind of wide area network browser access local area network (LAN) WEB website, said method comprising the steps of:
The DDNS server configures is also stored re-direction table.Wherein stored configuration has the corresponding relation between each WEB website and a URL on the local area network (LAN) in the re-direction table, and said corresponding relation is specially the corresponding relation of a URL and DDNS client identification, WEB website IP, WEB website port information;
The DDNS server receives a URL of browse request; Set up a new DDNS server TCP listening port; And write down the corresponding relation of a said TCP listening port and a said URL; Use URL to be redirected mode according to the address of said TCP listening port and DDNS server the 2nd URL is back to browser, described just now TCP listening port in the DDNS server is pointed in the 2nd URL address;
Browser sends access request according to the 2nd URL to the DDNS server, comprises request msg in the said access request, and said the 2nd URL points to the newly-established just now TCP listening port of DDNS server;
The DDNS server receives the access request that browser sends, and according to the 2nd URL access request and corresponding WEB website IP, the WEB website port information of described request is sent to corresponding DDNS client together;
The DDNS client is resolved WEB website IP and the WEB website port information that receives, and obtains corresponding WEB website, and access request is sent to said WEB website; Automatic reception said access request in WEB website is obtained data, and said data are sent to the DDNS client;
The DDNS client receives the data that the WEB website is returned, and said data are sent to the DDNS server together with WEB website IP, WEB website port information;
WEB website return data, WEB website IP and WEB website port information that DDNS server parses DDNS client is sent obtain corresponding browser, and the data that receive are sent to said browser.
Another purpose of the embodiment of the invention is to provide a kind of wide area network browser access local area network (LAN) WEB system of website, and said system comprises:
Be arranged at a DDNS server in the wide area network; Be arranged at least one browser that is connected with the DDNS server in the wide area network; Be arranged at least one the DDNS client that is used in each local area network (LAN) and is arranged at the DDNS server communication of wide area network, and be arranged in the local area network (LAN) and with this local area network (LAN) at least one Web website of DDNS client communication.Wherein when a plurality of local area network (LAN), a DDNS client with the DDNS server communication all is set in each local area network (LAN), the Web website in each local area network (LAN) all with this local area network (LAN) in the communication of DDNS client.
In embodiments of the present invention; Set up the corresponding relation of WEB website in URL and the local area network (LAN) through DDNS software; When visit, only need to import URL in the browser at wide area network; Can make the WEB website need not connect the Internet and just can be visited through the corresponding WEB website of DDNS server and DDNS client-access, and the fixing IP in the devices allocation the Internet that need not the WEB website is belonged to.
Description of drawings
Fig. 1 is the structure chart of the access system of the WEB website that provides of the embodiment of the invention;
Fig. 2 is the flow chart of the access method of the local area network (LAN) WEB website that provides of the embodiment of the invention;
Fig. 3 is the structure chart of the DDNS server that provides of the embodiment of the invention;
Fig. 4 is the structure chart of the DDNS client that provides of the embodiment of the invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In embodiments of the present invention; Set up the corresponding relation of WEB website in URL and the local area network (LAN) through DDNS software; When visit, only need to import URL in the browser at wide area network; Can make the WEB website need not connect the Internet and just can be visited through the corresponding WEB website of DDNS server and DDNS client-access, and the fixing IP in the devices allocation the Internet that need not the WEB website is belonged to.
Fig. 1 shows the structure chart of the access system of the local area network (LAN) WEB website that the embodiment of the invention provides, and for the ease of explanation, only shows the part relevant with the embodiment of the invention.
The access system of this local area network (LAN) WEB website comprises the DDNS server 1 that is arranged in the wide area network; Be arranged at least one browser 2 that is connected with DDNS server 1 in the wide area network; Be arranged at least one the DDNS client 3 that is used in each local area network (LAN) communicating by letter with the DDNS server 1 that is arranged at wide area network, and at least one the Web website 4 that is arranged in the local area network (LAN) and is connected with DDNS client 3 in this local area network (LAN).Wherein when a plurality of local area network (LAN), a DDNS client 3 of communicating by letter with DDNS server 1 is set all in each local area network (LAN), the Web website in each local area network (LAN) all with this local area network (LAN) in the DDNS client communication.
Wherein DDNS server 1 is used to dispose and preserve the re-direction table that is related between Web website and the URL; When receiving the access request of browser; Be redirected the access request of browser according to re-direction table; And the data of browser are sent to the DDNS client, will give browser from the data forwarding of DDNS client.Wherein stored configuration has the corresponding relation between each WEB website and a URL on the local area network (LAN) in the re-direction table.Wherein the corresponding relation between each a WEB website and the URL is specially the corresponding relation of a URL and DDNS client identification, WEB website IP, WEB website port information on the local area network (LAN).
In embodiments of the present invention; Browser 2 can be the software that is used to visit the Web website; This browser 2 can be any one browser, like IE browser, red fox browser, Window on the World browser etc., also can be any software or the equipment that can resolve the Web standard.
DDNS client 3 is used for giving Web website 4 with the data forwarding from DDNS server 1, and the data that the Web website is returned are sent to DDNS server 1.One DDNS client 3 wherein all is installed in each local area network (LAN), and each DDNS client 3 all can with 1 communication of DDNS server, the data, WEB website IP, the WEB website port information that are used for the WEB website is returned send to the DDNS server.
Web website 4 is used to provide the Web website service.This Web website 4 is to be arranged at Web website common in each local area network (LAN), and it can not go up wide area network WAN, but with the DDNS client network must network interworking.Web website 4 can be internet information service IIS, also can be Tomcat, also can be the Web website of customization.
Be illustrated in figure 2 as the flow chart of the access method of the local area network (LAN) WEB website that the embodiment of the invention provides, details are as follows:
In step S201, the DDNS server configures is also stored re-direction table.Wherein stored configuration has the corresponding relation between each WEB website and a URL on the local area network (LAN) in the re-direction table, and said corresponding relation is specially the corresponding relation of a URL and DDNS client identification, WEB website IP, WEB website port information.
In embodiments of the present invention, in the DDNS server, set up the corresponding relation of URL and DDNS client identification, WEB website IP, WEB website port information, and said corresponding relation is stored in the DDNS server.Because during the Web website in needing a plurality of local area network (LAN)s of visit; Be provided with a DDNS client in each local area network (LAN); In order to distinguish the DDNS client that is provided with in each local area network (LAN), all be provided for the DDNS client identification of this DDNS client of unique identification for each DDNS client.And for the DDNS client identification of storing in the DDNS client identification of DDNS client setting and the DDNS server identical.
Step S202, browser access DDNS server.
In step S203; The DDNS server receives a URL of browse request; The DDNS server is set up a new DDNS server TCP listening port; And write down the corresponding relation of a said TCP listening port and a said URL, use the redirected mode of URL that the 2nd URL is back to browser according to the address of said TCP listening port and DDNS server.
In embodiments of the present invention, the user imports the WEB website on the URL visit local area network (LAN) in browser, said browser be windows IE, firefox, Window on the World etc. all can resolve the software or the equipment of WEB standard.
The concrete performing step of step S203 is following:
The DDNS client that the said URL of DDNS whois lookup is corresponding, the IP of WEB website, the port information of WEB website; And launch a new TCP listening port; Write down the relation of port information of IP, the WEB website of the said TCP listening port DDNS client corresponding, WEB website with a said URL; The DDNS server is according to the address of DDNS server, synthetic the 2nd URL of information sets of TCP listening port; Described just now TCP listening port in the DDNS server is pointed in the 2nd URL address, and said the 2nd URL is sent to browser, and said address is IP address or domain name.
In step S204, browser sends access request according to the 2nd URL to the DDNS server, comprises request msg in the said access request, and said the 2nd URL points to DDNS server TCP listening port.
In embodiments of the present invention, browser is behind the 2nd URL that receives said DDNS server transmission, and according to said the 2nd URL visit DDNS server, said the 2nd URL points to DDNS server TCP listening port automatically.
In step S205; The DDNS server receives the access request that browser sends; Search corresponding DDNS client, WEB website IP and WEB website port according to the 2nd URL, then access request, WEB website IP and WEB website port information are sent to corresponding DDNS client.
In embodiments of the present invention, the DDNS server is searched corresponding re-direction table according to the corresponding TCP listening port of the 2nd URL, according to re-direction table access request, WEB website IP and WEB website port information is sent to corresponding DDNS client.
In step S206, the DDNS client is resolved WEB website IP and the WEB website port information that receives, and obtains corresponding WEB website, and access request is sent to said WEB website; Automatic reception said access request in WEB website is obtained data, and said data are sent to the DDNS client.
In step S207, the WEB website receives said access request, obtains data, and said data are sent to the DDNS client.
In step S208, the DDNS client receives the data that send the WEB website, and said data are sent to the DDNS server together with WEB website IP, WEB website port information.
In step S209, WEB website IP and WEB website port information that DDNS server parses DDNS client is sent obtain corresponding browser, and the data that receive are sent to said browser.
In embodiments of the present invention; The WEB website IP that the DDNS server sends according to the DDNS client, WEB website port information obtain record corresponding the re-direction table from re-direction table; Obtain corresponding TCP listening port according to record corresponding in the said re-direction table, data are sent to the corresponding browser of TCP listening port.
In embodiments of the present invention; Set up the corresponding relation of WEB website in URL and the local area network (LAN) through DDNS software; When visit, only need to import URL in the browser at wide area network; Can make the WEB website need not connect the Internet and just can be visited through the corresponding WEB website of DDNS server and DDNS client-access, and need not there not being fixedly IP of devices allocation that the WEB website belongs to.
Be illustrated in figure 3 as the structure chart of the DDNS server that the embodiment of the invention provides, the part relevant with the embodiment of the invention only be shown, comprising for the ease of explanation:
Re-direction table memory module 31 is used to store the corresponding relation of a URL and DDNS client identification, WEB website IP, port information website, WEB website port information.
The one URL receiver module 32 is used to receive the URL that browser sends.
Listening port generation module 33 is used to generate the related TCP listening port of a URL that receives with a said URL receiver module 32.
The 2nd URL generation module 34 is used for being combined into the 2nd URL according to TCP listening port and DDNS server address that said listening port generation module 33 generates.
Access request receiver module 35 is used to receive the WEB website visiting request that browser sends, and said access request comprises request msg.
DDNS client query module 36 is used for according to the re-direction table of said re-direction table memory module 31 storages and the corresponding DDNS client of URL inquiry of a URL receiver module 32 receptions.
Access request sending module 37 is used for sending the access request that access request receiver module 35 receives to the DDNS client of said DDNS client query module 36 inquiries.Port information website, website port information.
Web return data receiver module 38 is used to receive Web return data, WEB website IP, port information website, the WEB website port information that the DDNS client is returned.
Web return data sending module 310 is used for the Web return data that said WEB return data receiver module 38 receives is sent to the browser that said browser enquiry module 39 is inquired about.
Be illustrated in figure 4 as the structure chart of the DDNS client that the embodiment of the invention provides,, the part relevant with the embodiment of the invention only be shown, comprising for the ease of explanation:
WEB returns request receiver module 41, is used to receive WEB website IP, WEB website port information website port information and the access request that the DDNS server sends.
WEB returns request sending module 42, is used for sending access request to the WEB website IP that said access request receiver module 41 receives.
Web return data receiver module 43 is used to receive the visit data that the WEB website is returned.
Web return data sending module 44 is used for the Web return data that said WEB return data receiver module 43 receives is sent to the DDNS server together with WEB website IP, port information website, WEB website port information.
In embodiments of the present invention; Set up the corresponding relation of WEB website in URL and the local area network (LAN) through DDNS software; When visit, only need to import URL in the browser at wide area network; Can make the WEB website need not connect the Internet and just can be visited through the corresponding WEB website of DDNS server and DDNS client-access, and the fixing IP of the devices allocation that need not the WEB website is belonged to.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the method for a wide area network browser access local area network (LAN) WEB website is characterized in that, said method comprising the steps of:
The DDNS server configures is also stored re-direction table.Wherein stored configuration has the corresponding relation between each WEB website and a URL on the local area network (LAN) in the re-direction table, and said corresponding relation is specially the corresponding relation of a URL and DDNS client identification, WEB website IP, WEB website port information;
The DDNS server receives a URL of browse request; Set up a new DDNS server TCP listening port; And write down the corresponding relation of a said TCP listening port and a said URL, use the redirected mode of URL that the 2nd URL is back to browser according to the address of said TCP listening port and DDNS server;
Browser sends access request according to the 2nd URL to the WEB website, comprises request msg in the said access request, and said the 2nd URL points to the newly-established just now TCP listening port of DDNS server;
The DDNS server receives the access request that browser sends, and searches corresponding DDNS client, WEB website IP and WEB website port according to the 2nd URL, then access request, WEB website IP and WEB website port information is sent to corresponding DDNS client;
The DDNS client is resolved WEB website IP and the WEB website port information that receives, and obtains corresponding WEB website, and access request is sent to said WEB website; Automatic reception said access request in WEB website is obtained data, and said data are sent to the DDNS client;
The DDNS client receives the data that the WEB website is returned, and said data are sent to the DDNS server together with WEB website IP, WEB website port information;
WEB website return data, WEB website IP and WEB website port information that DDNS server parses DDNS client is sent obtain corresponding browser, and the data that receive are sent to said browser.
2. the method for claim 1 is characterized in that, the step of said configuration and storage re-direction table is specially:
In the DDNS server, set up the corresponding relation of URL and DDNS client identification, WEB website IP, WEB website port information, and said corresponding relation is stored in the DDNS server;
In the DDNS client, unique identification is set, said unique identification is identical with the sign of DDNS server stores.
3. the method for claim 1 is characterized in that, the said step that redirects a URL is specially:
The DDNS client that the said URL of DDNS whois lookup is corresponding, the IP of WEB website, the port information of WEB website; And launch a new TCP listening port; Write down the relation of port information of IP, the WEB website of the said TCP listening port DDNS client corresponding, WEB website with a said URL; The DDNS server is according to the address of DDNS server, synthetic the 2nd URL of information sets of TCP listening port; Described just now TCP listening port in the DDNS server is pointed in the 2nd URL address, and said the 2nd URL is sent to browser, and said address is IP address or domain name.
4. the method for claim 1 is characterized in that, said according to the 2nd URL with access request, the step that WEB website IP and WEB website port information send to corresponding DDNS client is specially:
The DDNS server is searched corresponding re-direction table according to the corresponding TCP listening port of the 2nd URL, according to re-direction table access request, WEB website IP and WEB website port information is sent to corresponding DDNS client.
5. the method for claim 1 is characterized in that, said browser can be resolved the software or the equipment of WEB standard for all.
6. wide area network browser access local area network (LAN) WEB web station system is characterized in that said system comprises:
Be arranged at a DDNS server in the wide area network; Be arranged at least one browser that is connected with the DDNS server in the wide area network; Be arranged at least one the DDNS client that is used in each local area network (LAN) and is arranged at the DDNS server communication of wide area network, and be arranged in the local area network (LAN) and be connected at least one Web website of communication with DDNS client in this local area network (LAN).Wherein when a plurality of local area network (LAN), a DDNS client with the DDNS server communication all is set in each local area network (LAN), the Web website in each local area network (LAN) all with this local area network (LAN) in the DDNS client be connected communication.
7. system as claimed in claim 6 is characterized in that, said DDNS server also comprises:
The re-direction table memory module is used to store the corresponding relation of a URL and DDNS client identification, WEB website IP, port information website, WEB website port information;
The one URL receiver module is used to receive the URL that browser sends;
The listening port generation module is used to generate the related TCP listening port of a URL that receives with a said URL receiver module;
The 2nd URL generation module is used for according to the TCP listening port of said listening port generation module generation and synthetic the 2nd URL of group of addresses of DDNS service end;
The access request receiver module is used to receive the WEB website visiting request that browser sends, and said access request comprises request msg;
The DDNS client query module is used for searching corresponding DDNS client according to the port of access request receiver module reception data;
The access request sending module is used for sending access request data, Web website IP, the Web website port information that the access request receiver module receives to the DDNS client of said DDNS client query module inquiry;
Web return data receiver module is used to receive return data, WEB website IP, port information website, the WEB website port information of the WEB website that the DDNS client returns;
The browser enquiry module is used for the WEB website IP, the corresponding browser of WEB website port information inquiry that receive according to said WEB return data receiver module;
Web return data sending module is used for the Web return data that said Web return data receiver module receives is sent to the browser that said browser enquiry module is inquired about.
8. system as claimed in claim 6 is characterized in that, said DDNS client also comprises:
WEB returns the request receiver module, is used to receive WEB website IP, WEB website port information and the access request that the DDNS server sends;
WEB returns request sending module, is used for returning to said WEB the Web website port transmission access request of the WEB website IP of request receiver module reception;
Web return data receiver module is used to receive the visit data that the WEB website is returned;
Web return data sending module is used for the Web return data that said WEB return data receiver module receives is sent to the DDNS server together with WEB website IP, WEB website port information.
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| CN201110133655.2A CN102801745B (en) | 2011-05-23 | 2011-05-23 | Method and system for accessing local area network WEB site by using wide area network browser |
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| CN201110133655.2A CN102801745B (en) | 2011-05-23 | 2011-05-23 | Method and system for accessing local area network WEB site by using wide area network browser |
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| CN104243414A (en) * | 2013-06-17 | 2014-12-24 | 北京卓易讯畅科技有限公司 | Method and device for obtaining network data for mobile equipment |
| CN105429807A (en) * | 2015-12-29 | 2016-03-23 | Tcl集团股份有限公司 | Local area network resource access method and device |
| CN106656436A (en) * | 2016-09-29 | 2017-05-10 | 安徽华速达电子科技有限公司 | Communication management method and system based on intelligent optical network unit |
| CN106850384A (en) * | 2017-01-12 | 2017-06-13 | 深圳市先河系统技术有限公司 | A kind of method and mobile terminal for realizing accessing equipment in LAN |
| CN113329057A (en) * | 2021-04-30 | 2021-08-31 | 新华三技术有限公司成都分公司 | Equipment access method and network equipment |
| CN115879114A (en) * | 2022-12-02 | 2023-03-31 | 深圳安巽科技有限公司 | Website access encryption control method, system and storage medium |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104243414A (en) * | 2013-06-17 | 2014-12-24 | 北京卓易讯畅科技有限公司 | Method and device for obtaining network data for mobile equipment |
| CN105429807A (en) * | 2015-12-29 | 2016-03-23 | Tcl集团股份有限公司 | Local area network resource access method and device |
| CN105429807B (en) * | 2015-12-29 | 2019-11-29 | Tcl集团股份有限公司 | The access method and device of local network resource |
| CN106656436A (en) * | 2016-09-29 | 2017-05-10 | 安徽华速达电子科技有限公司 | Communication management method and system based on intelligent optical network unit |
| CN106850384A (en) * | 2017-01-12 | 2017-06-13 | 深圳市先河系统技术有限公司 | A kind of method and mobile terminal for realizing accessing equipment in LAN |
| CN113329057A (en) * | 2021-04-30 | 2021-08-31 | 新华三技术有限公司成都分公司 | Equipment access method and network equipment |
| CN113329057B (en) * | 2021-04-30 | 2022-05-27 | 新华三技术有限公司成都分公司 | Equipment access method and network equipment |
| CN115879114A (en) * | 2022-12-02 | 2023-03-31 | 深圳安巽科技有限公司 | Website access encryption control method, system and storage medium |
| CN115879114B (en) * | 2022-12-02 | 2023-09-08 | 深圳安巽科技有限公司 | Website access encryption control method, system and storage medium |
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| Publication number | Publication date |
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| CN102801745B (en) | 2015-04-15 |
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