CN115550059A - WEB access control and redirection system, method and storage medium - Google Patents

WEB access control and redirection system, method and storage medium Download PDF

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Publication number
CN115550059A
CN115550059A CN202211461953.9A CN202211461953A CN115550059A CN 115550059 A CN115550059 A CN 115550059A CN 202211461953 A CN202211461953 A CN 202211461953A CN 115550059 A CN115550059 A CN 115550059A
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CN
China
Prior art keywords
redirection
domain name
terminal
access control
white list
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN202211461953.9A
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Chinese (zh)
Inventor
何余锋
董芸
林锋
许晓伟
王菲
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Beijing Capitek Co ltd
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Beijing Capitek Co ltd
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Publication date
Application filed by Beijing Capitek Co ltd filed Critical Beijing Capitek Co ltd
Priority to CN202211461953.9A priority Critical patent/CN115550059A/en
Publication of CN115550059A publication Critical patent/CN115550059A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/02Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/0227Filtering policies
    • H04L63/0236Filtering by address, protocol, port number or service, e.g. IP-address or URL
    • 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
    • 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]

Abstract

The application discloses a WEB access control and redirection system, a method and a storage medium, which belong to the field of communication and internet and comprise a terminal, a firewall and a white list, wherein the white list is provided with a redirection website and a plurality of other white list websites and also comprises WEB access control and redirection equipment, the terminal is in network intercommunication with the WEB access control and redirection equipment, the WEB access control and redirection equipment is in network intercommunication with a third-party DNS server, and the terminal accesses the white list websites through the firewall. The WEB access control and redirection system or method of the invention is used: the terminal can redirect the input http address or the http address. The method supports the addition of the URL carrying the dynamic entry into a domain name white list, does not redirect the URL and can directly access the URL. No firewall is needed to open the 80 port, and no hole leakage risk exists. Not all data streams pass through the system, system performance requirements are relatively low, and the system can be deployed in a cloud mode.

Description

WEB access control and redirection system, method and storage medium
Technical Field
The present application relates to the field of communications and the internet, and in particular, to a system, a method, and a storage medium for controlling and redirecting WEB access.
Background
The WEB access control and redirection technology is one of the commonly used technologies in internet application, and mainly has the effect that a terminal can only access a specified white list domain name website and can redirect the access of a non-specified white list website to a certain specific website.
For example, when a mobile phone terminal or a fixed network broadband is owed, in order to facilitate charging and paying for a user, an operator may provide a green channel for charging and paying for the user, and the user may still normally access a network hall, an internet bank, and the like to complete charging and paying for the user in the owing state, but is not allowed to access other internet applications through the green channel. When a user tries to access other internet websites, the user needs to be redirected to a webbed room to guide the user to recharge and pay. The service not only provides convenience for the user and the time multiplex network, but also shortens the accounting period of an operator and improves the service experience of the user.
In addition, terminal access control is also involved in scenes such as minor internet surfing control, industrial internet and the like, and the terminal access control method is characterized in that only a terminal is allowed to access a specified white list domain name website, a non-specified white list domain name website is not allowed to be accessed, and a specific guide page is redirected when the non-specified white list domain name website is accessed.
However, the existing redirection device is connected in series between the terminal and the firewall, monitors the http response message and redirects the http response message, and this method has the following problems:
1. redirection of https requests is not supported.
2. The URL carrying the dynamic join is not supported to be added to the domain white list.
3. Redirection is accomplished by first establishing a connection with the original visited site, and therefore, the firewall 80 port needs to be opened, thereby causing some vulnerabilities in terminal access control.
4. All data streams pass through the redirection device, which has a high performance requirement.
Therefore, a new WEB access control and redirection system or method is needed to solve the above problems.
Disclosure of Invention
In order to solve the defects of the prior art, the application provides a system and a method for controlling and redirecting WEB access, domain name access control and redirection are carried out in a domain name resolution stage, a domain name white list control mechanism is supported, domain names in a white list are normally resolved through a third party DNS and respond to a result, and domain names in a non-white list are uniformly resolved into IP addresses of a WEB redirection module. When the terminal accesses the WEB, the control and the redirection of the WEB accessible by the terminal are completed by combining the domain name resolution and the redirection and the WEB redirection.
The technical effect that this application will reach is realized through following scheme:
according to a first aspect of the present invention, a WEB access control and redirection system is provided, which includes a terminal, a firewall, a white list, a redirection website and a plurality of other white list websites arranged in the white list, and a WEB access control and redirection device, wherein the terminal is in network communication with the WEB access control and redirection device, the WEB access control and redirection device is in network communication with a third-party DNS server, and the terminal accesses the white list website through the firewall.
Preferably, the WEB access control and redirection device includes a domain name resolution and redirection module and a WEB redirection module, wherein:
the domain name resolution and redirection module is used for white list domain name management, white list domain name resolution and non-white list domain name resolution into a WEB redirection module IP address;
the WEB redirection module is used for redirecting all http/https requests to a specified URL and guiding the terminal to visit a redirection URL website.
According to a second aspect of the present invention, there is provided a WEB access control and redirection method using the above WEB access control and redirection system, including the following steps:
step 1: appointing a DNS address for a terminal, wherein the DNS address is an IP address in WEB access control and redirection equipment;
and 2, step: when a URL of a website is input in a browser of a terminal and an access request is initiated, a domain name resolution request is initiated to WEB access control and redirection equipment to obtain an IP address of the accessed website;
and step 3: the WEB access control and redirection equipment judges whether the domain name to be analyzed by the terminal is in a list of a white list, if so, the domain name is forwarded to a third-party DNS server for domain name analysis, an analysis result is returned to the terminal, and the terminal can normally access the input URL;
if not, returning the IP address in the step 1 to the terminal, initiating the access of the redirection URL by the terminal browser, and opening a redirection page.
Preferably, in step 1, the IP address is an IP address of the domain name resolution and redirection module.
Preferably, the domain name allowing the terminal to access is added into a list of a white list in the WEB access control and redirection device, wherein the list comprises a redirection URL; and configuring a third party DNS server for address resolution of the white list domain name and configuring a redirection URL (uniform resource locator) of the non-white list domain name.
Preferably, in step 2, when the browser of the terminal initiates the access request, a domain name resolution request is first initiated to the domain name resolution and redirection module.
Preferably, in step 3, a domain name resolution and redirection module in the WEB access control and redirection device determines whether the domain name to be resolved is in a locally configured white list.
Preferably, the specific method for the terminal browser to initiate the access of the redirection URL includes: the terminal initiates an http/http connection request to the WEB redirection module, the WEB redirection module returns a response to the terminal through an http redirection mechanism, wherein the response comprises a state code at the beginning of 3 and a Location attribute carrying a redirection URL, and the terminal browser initiates the access of the redirection URL according to the response of the WEB redirection module.
Preferably, the firewall configuration terminal only allows access to the IP addresses of redirect web sites and other white list domain name web sites.
According to a third aspect of the present invention, there is provided a computer-readable storage medium, wherein a computer program is stored in the computer-readable storage medium, and when executed, the computer program implements the WEB access control and redirection method according to any of the above.
The WEB access control and redirection system or method has the following technical effects:
1. the terminal can redirect the input http address or the http address.
2. The method supports the addition of the URL carrying the dynamic entry into a domain name white list, does not redirect the URL and can directly access the URL.
3. No firewall is needed to open the 80 port, and no hole leakage risk exists.
4. Not all data streams pass through the system, system performance requirements are relatively low, and the system can be deployed in a cloud mode.
Drawings
In order to more clearly illustrate the embodiments or prior art solutions of the present application, the drawings needed for describing the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and that other drawings can be obtained by those skilled in the art without inventive exercise.
Fig. 1 is a schematic structural diagram of a WEB access control and redirection system in an embodiment of the present application;
fig. 2 is a schematic flowchart of a WEB access control and redirection method in an embodiment of the present application;
FIG. 3 is a flowchart illustrating a redirection process for access to non-white list websites according to an embodiment of the present application;
fig. 4 is a flowchart illustrating a white list website accessing process according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following embodiments and accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, a WEB access control and redirection system in an embodiment of the present application includes a terminal, a firewall, and a white list, where the white list is provided with a redirection website and a plurality of other white list websites, and further includes a WEB access control and redirection device, the terminal is in network communication with the WEB access control and redirection device, the WEB access control and redirection device is in network communication with a third-party DNS server, and the terminal accesses the white list websites through the firewall.
In this embodiment, the WEB access control and redirection device includes a domain name resolution and redirection module and a WEB redirection module, where:
the domain name resolution and redirection module is used for white list domain name management, white list domain name resolution and non-white list domain name resolution into a WEB redirection module IP address;
and the WEB redirection module is used for redirecting all http/https requests to the specified URL and guiding the terminal to access the URL redirection website.
As shown in fig. 2, a WEB access control and redirection method in an embodiment of the present application includes the following steps:
s110: appointing a DNS address for the terminal, wherein the DNS address is an IP address of a domain name resolution and redirection module in WEB access control and redirection equipment;
s120: when a URL of a website is input in a browser of a terminal and an access request is initiated, a domain name resolution request is initiated to a domain name resolution and redirection module to obtain an IP address of the access website;
s130: a domain name resolution and redirection module in the WEB access control and redirection equipment judges whether a domain name to be resolved by the terminal is in a list of a white list or not;
if so, then S131 is performed: after forwarding to a third party DNS server for domain name resolution, and returning a resolution result to the terminal, the terminal can normally access the input URL;
if not, then S132 is executed: and returning an IP address of the domain name resolution and redirection module to the terminal, initiating an http/https connection request to the WEB redirection module by the terminal, returning a response to the terminal by the WEB redirection module through an http redirection mechanism, wherein the response includes a status code at the beginning of 3 and a Location attribute carrying a redirection URL, initiating access of the redirection URL by the terminal browser according to the response of the WEB redirection module, initiating access of the redirection URL by the terminal browser, and opening a redirection page.
In an embodiment of the application, a domain name allowing terminal access in a WEB access control and redirection device is added to a list of a white list, wherein the list includes a redirection URL; and configuring a third party DNS server for address resolution of the white list domain name and configuring a redirection URL (uniform resource locator) of the non-white list domain name.
In an embodiment of the application, the terminal is configured on the firewall to only allow access to the IP addresses of the redirection website and other white list domain name websites.
In an embodiment of the present application, a computer-readable storage medium is provided, in which a computer program is stored, and the computer program, when executed, implements the WEB access control and redirection method described in any of the above.
The WEB access control and redirection system or method has the following technical effects:
1. the terminal can redirect the input http address or the http address.
2. The method supports the addition of the URL carrying the dynamic entry into a domain name white list, does not redirect the URL and can directly access the URL.
3. No firewall is needed to open the 80 port, and no hole leakage risk exists.
4. Not all data streams pass through the system, system performance requirements are relatively low, and the system can be deployed in a cloud mode.
In a specific embodiment, the terminal is assigned a DNS address as the IP address of the domain name resolution and redirection module.
Configuring a white list domain name list in the domain name resolution and redirection module, such as www.bmd.com and www.cdx.com, configuring an IP address of a third party DNS server, and configuring a non-white list domain name resolution address as an IP address of a WEB redirection module.
And configuring redirection URL in a WEB redirection module, such as www.cdx.com.
The firewall is configured to allow only the IP address corresponding to the white list domain name (such as www.bmd.com, www.cdx.com) to be accessed, and prevent other IP addresses from being accessed.
The processing procedure for the terminal to open the non-white list domain name is shown in fig. 3 and described as follows:
1. the terminal browser initiates a domain name resolution request, such as www.fbmd.com, to the domain name resolution and redirection module.
2. And if the domain name resolution and redirection module judges that www.fbmd.com is not in the domain name white list, the IP address of the WEB redirection module is returned to the terminal.
3. The terminal sends an http/https request for accessing www.fbmd.com to the WEB redirection module.
4. The WEB redirection module returns an http/https response to the terminal, carries a 3-start state code, such as 302, and carries a redirection URL in a location attribute, such as www.cdx.com.
5. The terminal browser initiates a www.cdx.com domain name resolution request to the domain name resolution and redirection module.
6. And the domain name resolution and redirection module judges www.cdx.com to be in a domain name white list, firstly, whether the IP address of www.cdx.com is cached locally is inquired, if so, the terminal is directly responded, and if not, the IP address of www.cdx.com is inquired 4736 to a third-party DNS system.
7. The third party system returns www.cdx.com IP address to the domain name resolution and redirection module.
8. The domain name resolution and redirection module returns www.cdx.com IP address to the terminal
9. The terminal successfully opens www.cdx.com website, and redirection from www.fbmd.com to www.cdx.com is achieved.
The processing procedure for the terminal to open the white list domain name is shown in fig. 4 and described as follows:
1. the terminal browser initiates a www.bmd.com domain name resolution request to the domain name resolution and redirection module.
2. And the domain name resolution and redirection module judges that www.bmd.com is in a domain name white list, firstly, whether the IP address of www.bmd.com is cached locally is inquired, if so, the terminal is directly responded, and if not, the IP address of www.bmd.com is inquired to a third-party DNS system.
3. The third party system returns www.bmd.com IP address to the domain name resolution and redirection module.
4. The domain name resolution and redirection module returns www.bmd.com IP address to the terminal
5. The terminal successfully opens www.bmd.com website.
If the URL of the website carrying the dynamic entry needs to be directly accessed, such as https:// www.test.com/apisign =8DCA7&appid =8148, only the domain name www.test.com needs to be added into the white list.
It should be noted that the above detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. Furthermore, it will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or otherwise described herein.
Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus.
For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be oriented in other different ways, such as by rotating it 90 degrees or at other orientations, and the spatially relative descriptors used herein interpreted accordingly.
In the foregoing detailed description, reference is made to the accompanying drawings, which form a part hereof. In the drawings, like numerals typically identify like components, unless context dictates otherwise. The illustrated embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter presented here.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A WEB access control and redirection system comprises a terminal, a firewall and a white list, wherein the white list is provided with a redirection website and a plurality of other white list websites.
2. The WEB access control and redirection system according to claim 1, wherein the WEB access control and redirection device comprises a domain name resolution and redirection module and a WEB redirection module, wherein:
the domain name resolution and redirection module is used for white list domain name management, white list domain name resolution and non-white list domain name resolution into a WEB redirection module IP address;
the WEB redirection module is used for redirecting all http/https requests to a specified URL and guiding the terminal to visit a redirection URL website.
3. A WEB access control and redirection method using the WEB access control and redirection system of claim 1 or 2, characterized by comprising the steps of:
step 1: appointing a DNS address for a terminal, wherein the DNS address is an IP address in WEB access control and redirection equipment;
step 2: when a URL of a website is input in a browser of a terminal and an access request is initiated, a domain name resolution request is initiated to WEB access control and redirection equipment to acquire an IP address of the accessed website;
and step 3: the WEB access control and redirection equipment judges whether the domain name to be analyzed by the terminal is in a list of a white list, if so, the domain name is forwarded to a third-party DNS server for domain name analysis, an analysis result is returned to the terminal, and the terminal can normally access the input URL;
if not, returning the IP address in the step 1 to the terminal, initiating the access of the redirection URL by the terminal browser, and opening a redirection page.
4. The WEB access control and redirection method according to claim 3, wherein in step 1, the IP address is an IP address of a domain name resolution and redirection module.
5. The WEB access control and redirection method according to claim 3, wherein the domain name allowing the terminal access is added to a white list in the WEB access control and redirection device, which includes a redirection URL; and configuring a third party DNS server for address resolution of the white list domain name and configuring a redirection URL (uniform resource locator) of the non-white list domain name.
6. The WEB access control and redirection method according to claim 3, wherein in step 2, when the browser of the terminal initiates the access request, a domain name resolution request is first initiated to the domain name resolution and redirection module.
7. The WEB access control and redirection method according to claim 3, wherein in step 3, a domain name resolution and redirection module in the WEB access control and redirection device determines whether the domain name to be resolved is in a locally configured white list.
8. The WEB access control and redirection method according to claim 3, wherein the specific method for the terminal browser to initiate the access of the redirection URL is as follows: the terminal initiates an http/http connection request to the WEB redirection module, the WEB redirection module returns a response to the terminal through an http redirection mechanism, wherein the response comprises a state code at the beginning of 3 and a Location attribute carrying a redirection URL, and the terminal browser initiates the access of the redirection URL according to the response of the WEB redirection module.
9. The WEB access control and redirection method according to claim 3, wherein the terminal is configured on the firewall to allow access only to the IP addresses of the redirection website and other white list domain name websites.
10. A computer-readable storage medium, wherein a computer program is stored in the computer-readable storage medium, and when executed, the computer program implements the WEB access control and redirection method according to any one of claims 3 to 9.
CN202211461953.9A 2022-11-17 2022-11-17 WEB access control and redirection system, method and storage medium Pending CN115550059A (en)

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Publication number Priority date Publication date Assignee Title
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US20200169569A1 (en) * 2018-11-27 2020-05-28 Ricoh Company, Ltd. Control apparatus, access control method, and nontransitory recording medium storing a plurality of instructions
CN111787028A (en) * 2020-07-29 2020-10-16 成都飞鱼星科技股份有限公司 Network access control method, equipment and storage medium
CN114710302A (en) * 2020-12-17 2022-07-05 北京首信科技股份有限公司 Internet access control method and control device thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109922030A (en) * 2017-12-13 2019-06-21 南京领创信息科技有限公司 Global network access control system and method based on Android device
US20200169569A1 (en) * 2018-11-27 2020-05-28 Ricoh Company, Ltd. Control apparatus, access control method, and nontransitory recording medium storing a plurality of instructions
CN111787028A (en) * 2020-07-29 2020-10-16 成都飞鱼星科技股份有限公司 Network access control method, equipment and storage medium
CN114710302A (en) * 2020-12-17 2022-07-05 北京首信科技股份有限公司 Internet access control method and control device thereof

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Application publication date: 20221230