CN105338072A - HTTP (hyper text transport protocol) redirecting method and routing equipment - Google Patents

HTTP (hyper text transport protocol) redirecting method and routing equipment Download PDF

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Publication number
CN105338072A
CN105338072A CN201510683029.9A CN201510683029A CN105338072A CN 105338072 A CN105338072 A CN 105338072A CN 201510683029 A CN201510683029 A CN 201510683029A CN 105338072 A CN105338072 A CN 105338072A
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China
Prior art keywords
specifying
portal page
http request
certification
page
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CN201510683029.9A
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Chinese (zh)
Inventor
方迪
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Shanghai Feixun Data Communication Technology Co Ltd
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Shanghai Feixun Data Communication Technology Co Ltd
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Priority to CN201510683029.9A priority Critical patent/CN105338072A/en
Publication of CN105338072A publication Critical patent/CN105338072A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements, protocols or services for addressing or naming
    • H04L61/45Network directories; Name-to-address mapping
    • H04L61/4505Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
    • H04L61/4511Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/10Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H04L63/101Access control lists [ACL]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

The invention discloses an HTTP (hyper text transport protocol) redirecting method. The HTTP redirecting method comprises: when an HTTP request that an IP address is not allowed to access the network is received, intercepting the HTTP request; redirecting the HTTP request to a specific portal page; and when the HTTP request is redirected to the specific portal page, accessing the specific portal page to complete certification. Based on wifidog, the HTTP redirecting method utilizes dnsmasq to analyze a dns (domain name server) request to determine the user behavior, and can control the wifidog to control the internet surfing behavior of a client, and can only use a local router to enable a device (a PC, a mobile phone and the like) which is connected with the router to access webpages when a webpage jumps the specific portal page and then the specific portal page is accessed so that the networking limitation for the corresponding terminal is unlocked while no servers are used.

Description

A kind of HTTP redirection method and routing device
Technical field
The present invention relates to the communications field, particularly relate to a kind of HTTP (HTML (Hypertext Markup Language), HyperTextTransferProtocol) reorientation method and routing device.
Background technology
The definition of Portal--before the normal accesses network of user, a kind of special Webpage of use.Before user's open any browser accesses this page, all packets all can be blocked, and are directed to this special Webpage of access.
Existing approximate scheme comprises following three kinds:
1.Dns (DomainNameSystem, domain name system) kidnaps.The domain name addresses of router highjacking is resolved, by accessed domain name for IP address be revised as the IP address of portal website, realize portal.This scheme because generally there is buffer memory at local (pc, mobile phone etc.) in dns, target domain name for IP can be modified after, original IP address can not be modified go back in a period of time, cause user cannot access IP address corresponding to domain name.
2.Httpproxy。Obtain user to url (UniformResoureLocator: the uniform resource locator) address of web page access, when returning results, content is replaced to the content of portal.This scheme routers hardware there are certain requirements, and router cost is higher.Low cost router uses httpproxy, and performance is a bottleneck.
3.Wifidog。Wifidog uses iptables, and the url that interception user accesses also is redirected to the portal page of specifying.Wifidog adopts the mode of client-server, needs to set up server, and type of server is certificate server.Router, terminal and certificate server all have alternately, and server needs to bear certain load.Terminal and router all can carry out alternately with this certificate server, and certification can be surfed the Net after passing through.
Summary of the invention
The present invention mainly solves when not using server, when only using local router can realize the equipment being connected to this router (PC, mobile phone etc.) accessed web page, jumps to the function of the portal page of specifying.
Technical scheme provided by the invention is as follows:
The invention discloses a kind of HTTP redirection method, comprising: when receiving IP address and not being the HTTP request allowing accesses network, intercept and capture described HTTP request; Described HTTP request is redirected to the portal page of specifying; After described HTTP request is redirected to the portal page of specifying, accesses the described portal page of specifying, complete certification.
The invention also discloses another kind of HTTP redirection method, comprising: set up and allow the white list list of accesses network, IP address corresponding to the domain name of the portal page of specifying being set for allowing accesses network, being stored in described white list list; When receiving IP address and not being the HTTP request allowing accesses network, intercept and capture described HTTP request; Described HTTP request is redirected to the portal page of specifying; After described HTTP request is redirected to the portal page of specifying, accesses the described portal page of specifying, complete certification.
Preferred further, the described portal page of specifying comprises the link being connected to HTML certification page.
The invention also discloses another kind of HTTP redirection method, comprising: set up and allow the white list list of accesses network, IP address corresponding to the domain name of the portal page of specifying being set for allowing accesses network, being stored in described white list list; When receiving IP address and not being the HTTP request allowing accesses network, intercept and capture described HTTP request; Described HTTP request is redirected to the portal page of specifying; After described HTTP request is redirected to the portal page of specifying, access the described portal page of specifying, the links and accesses HTML certification page on the portal page that click is specified, completes certification.
The invention also discloses another kind of HTTP redirection method, comprising: set up and allow the white list list of accesses network, IP address corresponding to the domain name of the portal page of specifying being set for allowing accesses network, being stored in described white list list; When receiving IP address and not being the HTTP request allowing accesses network, intercept and capture described HTTP request; Described HTTP request is redirected to the portal page of specifying; After described HTTP request is redirected to the portal page of specifying, access the described portal page of specifying, the links and accesses HTML certification page on the portal page that click is specified, completes certification; After completing certification, the IP address of the described HTML certification page of access is set to allow accesses network.
The present invention also discloses a kind of routing device, for HTTP redirection, comprising: interception module, for when receiving IP address and not being the HTTP request allowing accesses network, intercepts and captures described HTTP request; Redirection module, for being redirected to the portal page of specifying by described HTTP request; Authentication module, for be redirected to the portal page of specifying when described HTTP request after, access the described portal page of specifying, completes certification.
The present invention also discloses another kind of routing device, for HTTP redirection, comprising: set up module, for setting up the white list list allowing accesses network, IP address corresponding to the domain name of the portal page of specifying being set for allowing accesses network, being stored in described white list list; Interception module, for when receiving IP address and not being the HTTP request allowing accesses network, intercepts and captures described HTTP request; Redirection module, for being redirected to the portal page of specifying by described HTTP request; Authentication module, for be redirected to the portal page of specifying when described HTTP request after, access the described portal page of specifying, completes certification.
Preferred further, the described portal page of specifying comprises the link being connected to HTML certification page.
The present invention also discloses another kind of routing device, for HTTP redirection, comprising: set up module, for setting up the white list list allowing accesses network, IP address corresponding to the domain name of the portal page of specifying being set for allowing accesses network, being stored in described white list list; Interception module, for when receiving IP address and not being the HTTP request allowing accesses network, intercepts and captures described HTTP request; Redirection module, for being redirected to the portal page of specifying by described HTTP request; Authentication module, for be redirected to the portal page of specifying when described HTTP request after, access the described portal page of specifying, complete certification, described authentication module specifically comprises: access modules, for accessing the described portal page of specifying; Link module, for clicking the links and accesses HTML certification page on the portal page of specifying, completes certification.
The present invention also discloses another kind of routing device, for HTTP redirection, comprising: set up module, for setting up the white list list allowing accesses network, IP address corresponding to the domain name of the portal page of specifying being set for allowing accesses network, being stored in described white list list; Interception module, for when receiving IP address and not being the HTTP request allowing accesses network, intercepts and captures described HTTP request; Redirection module, for being redirected to the portal page of specifying by described HTTP request; Authentication module, for be redirected to the portal page of specifying when described HTTP request after, access the described portal page of specifying, complete certification, described authentication module specifically comprises: access modules, for accessing the described portal page of specifying; Link module, for clicking the links and accesses HTML certification page on the portal page of specifying, completes certification; Module is set, after completing certification, the IP address of the described HTML certification page of access is set to allow accesses network.
The present invention mainly solves based on wifidog, utilize dnsmasq to resolve dns request and confirm user behavior, the internet behavior of control wifidog to client controls, when not using server, local router is only used to realize, to when being connected to equipment (PC, the mobile phone etc.) accessed web page of this router, jumping to the portal page of specifying, after have accessed the portal page of specifying, the online restriction of counterpart terminal can be unlocked.
Compared with prior art, the present invention has following beneficial effect:
1. do not have the problem of dns buffer memory.
2. do not have the high performance requirements using httpproxy
3. eliminate the certificate server of wifidog, save cost.
Accompanying drawing explanation
Below by clearly understandable mode, accompanying drawings preferred implementation, is further described the above-mentioned characteristic of a kind of HTTP redirection method and routing device, technical characteristic, advantage and implementation thereof.
Fig. 1 is the step schematic diagram of a kind of HTTP redirection method of the present invention;
Fig. 2 is the main composition schematic diagram of a kind of routing device of the present invention;
Fig. 3 be a kind of routing device of the present invention be fully composed schematic diagram.
Drawing reference numeral illustrates:
100. interception module, 200. redirection module, 300. authentication modules, 301. access modules, 302. link module, 400. set up module, and 500. arrange module.
Embodiment
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, contrast accompanying drawing is illustrated the specific embodiment of the present invention below.Apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, and obtain other execution mode.
For making simplified form, only schematically show part related to the present invention in each figure, they do not represent its practical structures as product.In addition, be convenient to make simplified form understand, there are the parts of same structure or function in some figure, only schematically depict one of them, or only marked one of them.In this article, " one " not only represents " only this ", also can represent the situation of " more than one ".
Fig. 1 is the step schematic diagram of HTTP redirection method of the present invention, as a specific embodiment of the present invention, as shown in Figure 1, a kind of HTTP redirection method, comprise: when receiving IP address and not being the HTTP request allowing accesses network, intercept and capture described HTTP request; Described HTTP request is redirected to the portal page of specifying; After described HTTP request is redirected to the portal page of specifying, accesses the described portal page of specifying, complete certification.
Above-described embodiment is improved, obtains another kind of HTTP redirection method, comprising: set up and allow the white list list of accesses network, IP address corresponding to the domain name of the portal page of specifying being set for allowing accesses network, being stored in described white list list; When receiving IP address and not being the HTTP request allowing accesses network, intercept and capture described HTTP request; Described HTTP request is redirected to the portal page of specifying; After described HTTP request is redirected to the portal page of specifying, accesses the described portal page of specifying, complete certification.
In the present invention, white list is under wifidog open mode, allows the list of websites of access.Website not in list all can not be accessed, and access request can be blocked, and accesses the domain name in this list, all can not be blocked, and this function iptables module realizes.
Iptables is IP packet filtration system.It can according to the IP address of setting, port numbers, and mac address is carried out the filtration of IP bag or is redirected.Here, it will be mainly used to arrange which IP address or mac address can be passed through, and is not blocked.
Preferred further, the described portal page of specifying comprises the link being connected to HTML certification page.
Above-described embodiment is improved, obtains another kind of HTTP redirection method, comprising: set up and allow the white list list of accesses network, IP address corresponding to the domain name of the portal page of specifying being set for allowing accesses network, being stored in described white list list; When receiving IP address and not being the HTTP request allowing accesses network, intercept and capture described HTTP request; Described HTTP request is redirected to the portal page of specifying; After described HTTP request is redirected to the portal page of specifying, access the described portal page of specifying, the links and accesses HTML certification page on the portal page that click is specified, completes certification.
The present invention mainly solves based on wifidog, utilize dnsmasq to resolve dns request and confirm user behavior, the internet behavior of control wifidog to client controls, when not using server, local router is only used to realize, to when being connected to equipment (PC, the mobile phone etc.) accessed web page of this router, jumping to the portal page of specifying, after have accessed the portal page of specifying, the online restriction of counterpart terminal can be unlocked." the portal page of specifying " comprises two parts: 1. open the link on the portal page .2. click portal page.
Above-described embodiment is improved, obtains another kind of HTTP redirection method, comprising: set up and allow the white list list of accesses network, IP address corresponding to the domain name of the portal page of specifying being set for allowing accesses network, being stored in described white list list; When receiving IP address and not being the HTTP request allowing accesses network, intercept and capture described HTTP request; Described HTTP request is redirected to the portal page of specifying; After described HTTP request is redirected to the portal page of specifying, access the described portal page of specifying, the links and accesses HTML certification page on the portal page that click is specified, completes certification; After completing certification, the IP address of the described HTML certification page of access is set to allow accesses network.
Workflow of the present invention is introduced in detail below with instantiation.
Initialization condition:
Under Wifidog starts implied terms, the communication of meeting self-closed all of the port (except 53 ports, for dns domain name mapping), and tackle the packet (http message) of all 80 ports and carry out resolving and being redirected.
Domain name illustrates:
Www.baidu.com: the page of accessing in the present invention.
Soho.cloud.com: the domain name related in the present invention, in white list, the portal page.
Www.cloud.com: the domain name related in the present invention, certification, by condition, was accessed the terminal of this domain name, can directly be surfed the Net.
Flow process:
1.PC machine uses browser access www.baidu.com, 80 ports.Dns domain name mapping request initiated by PC, request analysis domain name www.baidu.com.
2. the dnsmasq module of router receives the analysis request of www.baidu.com, and access dns server also parses IP address, but www.baidu.com is not inside white list list, allows access so do not arrange.
3.PC side receives the IP address of the correspondence of domain name www.baidu.com, continues the website of access www.baidu.com.
4. the information of the access www.baidu.com of the wifidog intercepting and capturing of router side, sends 302 redirect request (being redirected to soho.cloud.com) and arrives to the browser of PC.
The browser of 5.PC machine receives redirect request meeting, the address that meeting automatic access is redirected: soho.cloud.com.
The IP address of soho.cloud.com resolved by 6.PC machine Request routing device.
7. the dnsmasq module of router receives the analysis request of soho.cloud.com, the access good address of dns server parses, because soho.cloud.com is in white list list, so be arranged to allow accesses network by iptables in IP address corresponding for this domain name, wifidog can not tackle its request message.
8.PC machine receives the IP address of the domain name of having resolved, successful access soho.cloud.com.
The user of 9.PC machine clicks the connection of the page, access www.cloud.com.
The browser initiated domain name analysis request of 10.PC machine, request analysis domain name www.cloud.com.
The dnsmasq module of 11. routers receives the analysis request of www.cloud.com, access dns server also parses IP address, because www.cloud.com belongs to the condition that certification is passed through, so be arranged to allow accesses network by iptables in the IP address of the PC of this domain name of access, wifidog can not tackle all access request messages of being initiated by this pc.
Fig. 2 is the main composition schematic diagram of a kind of routing device of the present invention, as a specific embodiment of the present invention, as shown in Figure 2, a kind of routing device, for HTTP redirection, comprise: interception module 100, for when receiving IP address and not being the HTTP request allowing accesses network, intercept and capture described HTTP request; Redirection module 200, for being redirected to the portal page of specifying by described HTTP request; Authentication module 300, for be redirected to the portal page of specifying when described HTTP request after, access the described portal page of specifying, completes certification.
Fig. 3 be a kind of routing device of the present invention be fully composed schematic diagram, as above-described embodiment being improved to the another kind of routing device obtained, for HTTP redirection, comprise: set up module 400, for setting up the white list list allowing accesses network, IP address corresponding to the domain name of the portal page of specifying being set for allowing accesses network, being stored in described white list list; Interception module 100, for when receiving IP address and not being the HTTP request allowing accesses network, intercepts and captures described HTTP request; Redirection module 200, for being redirected to the portal page of specifying by described HTTP request; Authentication module 300, for be redirected to the portal page of specifying when described HTTP request after, access the described portal page of specifying, completes certification.
Above-described embodiment is improved, obtain another kind of routing device, for HTTP redirection, comprise: set up module 400, for setting up the white list list allowing accesses network, IP address corresponding to the domain name of the portal page of specifying being set for allowing accesses network, being stored in described white list list; Interception module 100, for when receiving IP address and not being the HTTP request allowing accesses network, intercepts and captures described HTTP request; Redirection module 200, for being redirected to the portal page of specifying by described HTTP request; Authentication module 300, for be redirected to the portal page of specifying when described HTTP request after, access the described portal page of specifying, complete certification, described authentication module 300 specifically comprises: access modules 301, for accessing the described portal page of specifying; Link module 302, for clicking the links and accesses HTML certification page on the portal page of specifying, completes certification.
Above-described embodiment is improved, obtain another kind of routing device, for HTTP redirection, comprise: set up module 400, for setting up the white list list allowing accesses network, IP address corresponding to the domain name of the portal page of specifying being set for allowing accesses network, being stored in described white list list; Interception module 100, for when receiving IP address and not being the HTTP request allowing accesses network, intercepts and captures described HTTP request; Redirection module 200, for being redirected to the portal page of specifying by described HTTP request; Authentication module 300, for be redirected to the portal page of specifying when described HTTP request after, access the described portal page of specifying, complete certification, described authentication module 300 specifically comprises: access modules 301, for accessing the described portal page of specifying; Link module 302, for clicking the links and accesses HTML certification page on the portal page of specifying, completes certification; Module 500 is set, after completing certification, the IP address of the described HTML certification page of access is set to allow accesses network.
It should be noted that above-described embodiment all can independent assortment as required.The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (10)

1. a HTTP redirection method, is characterized in that, comprising:
When receiving IP address and not being the HTTP request allowing accesses network, intercept and capture described HTTP request;
Described HTTP request is redirected to the portal page of specifying;
After described HTTP request is redirected to the portal page of specifying, accesses the described portal page of specifying, complete certification.
2. HTTP redirection method as claimed in claim 1, it is characterized in that: in step when receiving IP address and not being the HTTP request allowing accesses network, also comprise before intercepting and capturing described HTTP request: set up the white list list allowing accesses network, IP address corresponding to the domain name of the portal page of specifying being set for allowing accesses network, being stored in described white list list.
3. HTTP redirection method as claimed in claim 2, is characterized in that, the described portal page of specifying comprises the link being connected to HTML certification page.
4. HTTP redirection method as claimed in claim 3, it is characterized in that, after the portal page that described step is specified when described HTTP request is redirected to, access the described portal page of specifying, complete certification specifically to comprise: access the described portal page of specifying, links and accesses HTML certification page on the portal page that click is specified, completes certification.
5. HTTP redirection method as claimed in claim 4, is characterized in that, also comprise: after completing certification, is set to allow accesses network in the IP address of the described HTML certification page of access.
6. a routing device, for HTTP redirection, is characterized in that, comprising:
Interception module, for when receiving IP address and not being the HTTP request allowing accesses network, intercepts and captures described HTTP request;
Redirection module, for being redirected to the portal page of specifying by described HTTP request;
Authentication module, for be redirected to the portal page of specifying when described HTTP request after, access the described portal page of specifying, completes certification.
7. routing device as claimed in claim 6, is characterized in that, also comprise:
Setting up module, allowing the white list list of accesses network for setting up, IP address corresponding to the domain name of the portal page of specifying being set for allowing accesses network, being stored in described white list list.
8. routing device as claimed in claim 7, is characterized in that:
The described portal page of specifying comprises the link being connected to HTML certification page.
9. routing device as claimed in claim 8, it is characterized in that, described authentication module specifically comprises:
Access modules, for accessing the described portal page of specifying;
Link module, for clicking the links and accesses HTML certification page on the portal page of specifying, completes certification.
10. routing device as claimed in claim 9, is characterized in that, also comprise:
Module is set, after completing certification, the IP address of the described HTML certification page of access is set to allow accesses network.
CN201510683029.9A 2015-10-20 2015-10-20 HTTP (hyper text transport protocol) redirecting method and routing equipment Pending CN105338072A (en)

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CN109446445A (en) * 2018-10-23 2019-03-08 乐蜜有限公司 A kind of resource acquiring method and device
CN109446445B (en) * 2018-10-23 2022-03-22 北京乐我无限科技有限责任公司 Resource acquisition method and device

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