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CN110602269A - Method for converting domain name - Google Patents

Method for converting domain name Download PDF

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Publication number
CN110602269A
CN110602269A CN201911005736.7A CN201911005736A CN110602269A CN 110602269 A CN110602269 A CN 110602269A CN 201911005736 A CN201911005736 A CN 201911005736A CN 110602269 A CN110602269 A CN 110602269A
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Prior art keywords
domain name
information
response
replacement
segment
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CN201911005736.7A
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Chinese (zh)
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CN110602269B (en
Inventor
夏宝玉
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Beijing Topsec Technology Co Ltd
Beijing Topsec Network Security Technology Co Ltd
Beijing Topsec Software Co Ltd
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Beijing Topsec Technology Co Ltd
Beijing Topsec Network Security Technology Co Ltd
Beijing Topsec Software Co Ltd
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Priority to CN201911005736.7A priority Critical patent/CN110602269B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements, protocols or services for addressing or naming
    • H04L61/09Mapping addresses
    • H04L61/25Mapping addresses of the same type
    • 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
    • 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]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

The embodiment of the invention provides a method for converting a domain name, which comprises the steps of receiving a request message initiated by a user browser; analyzing the domain name information of the request message; sending the resolved domain name information to a WEB server; obtaining response information based on the response of the WEB server to the analyzed domain name information, and performing domain name replacement on the response information; and sending the response information after the domain name replacement to a user browser so that the user can normally access the browser. The method for converting the domain name provided by the invention realizes the domain name conversion of the hyperlink content of the request message flowing through the SSL VPN proxy server, only converts the domain name, does not relate to the modification of URI and other information, and has concise rule matching and refining, so that the request efficiency, the response efficiency and the accuracy can be improved. The scheme has the advantages that the replacement target is single, and the replacement work can be completed more quickly and accurately.

Description

Method for converting domain name
Technical Field
The invention belongs to the technical field of network security, and particularly relates to a method for converting a domain name.
Background
SSL VPN is a VPN technology that establishes a remote secure access channel based on secure socket layer protocol. The network access method has a plurality of functions such as network access, online application program and application program access, wherein the network access is the most important and marked function of the SSL VPN. In network access, links are required to be processed many times, otherwise, only the links of the non-absolute path of the page can be accessed, and access exception can be caused when the links of the absolute path are accessed.
In the prior art, a WEB reverse proxy method is generally used to realize network access. Specifically, after a user inputs a WEB reverse proxy processing request under a bookmark column or an interface input box of a browser, the method comprises the following steps: a client sends an HTTP/HTTPS request, and the URL of the request comprises the address of an SSL VPN (secure socket layer virtual private network) of a reverse proxy server, the address of an accessed background server and a resource path of the accessed background server; after the reverse proxy server SSLVPN intercepts the request, the address and the resource path of the accessed background server are extracted, and the request is forwarded normally. After a user accesses a page at the rear end of the WEB reverse proxy, clicking the page through an HTML (hypertext markup language) page in a browser to send a request; assigning a uniform resource locator type attribute in a tag or label of HTML in the request as a relative path or an absolute path; in the existing scheme, the TAG of the HTML needs to be distinguished, the attribute of the URI type is assigned as a relative path or an absolute path, the absolute path processing process is divided into different modes such as GET and POST, even the redirection processing is needed in the request, and the processing process is complex and time-consuming.
Disclosure of Invention
The invention provides a method for converting domain names. The method for converting the domain name provided by the invention realizes the domain name conversion of the hyperlink content of the request message flowing through the SSL VPN proxy server, only converts the domain name, does not relate to the modification of URI and other information, and has concise rule matching and refining, so that the request efficiency, the response efficiency and the accuracy can be improved.
In order to solve the above technical problem, an embodiment of the present invention provides the following technical solutions:
the present invention provides a method of converting a domain name, the method comprising,
receiving a request message initiated by a user browser;
analyzing the domain name information of the request message;
sending the resolved domain name information to a WEB server;
obtaining response information based on the response of the WEB server to the analyzed domain name information, and performing domain name replacement on the response information;
and sending the response information after the domain name replacement to a user browser so that the user can normally access the browser.
Preferably, the analyzing the domain name information of the request packet includes,
acquiring domain name information in the request message;
and analyzing the domain name information.
Preferably, the analyzing the domain name information includes,
removing the tail part of the domain name information;
acquiring port information;
acquiring protocol information;
acquiring a target domain name;
and obtaining the resolved domain name information.
Preferably, the obtaining of the target domain name includes,
acquiring an initial domain name;
and converting the initial domain name to obtain the target domain name.
Preferably, the domain name information after being resolved includes,
and combining the port information, the protocol information and the target domain name to obtain the analyzed domain name information.
Preferably, the performing domain name replacement on the response information includes,
carrying out segmentation processing on the response information to obtain different response information segments;
and respectively processing the different response information segments to finish the domain name replacement of the response information.
Preferably, the response information segment includes,
a protocol information segment, a domain name information segment, a port information segment, and a URI information segment.
Preferably, the processing the different response information segments separately includes,
processing the protocol information segment and the domain name information segment;
processing the port information segment;
adding domain name identification information;
and obtaining the response information after the domain name replacement.
Preferably, the adding of the domain name identification information includes adding new request protocol information and domain name tail identification information.
Preferably, the response information after the domain name replacement includes,
and combining the processed protocol information segment and the domain name information segment, the processed port information segment, the domain name identification information and the URI information segment to obtain the response information after domain name replacement.
Based on the disclosure of the above embodiments, it can be known that the embodiments of the present invention have the following beneficial effects:
the method for converting the domain name provided by the invention realizes the domain name conversion of the hyperlink content of the request message flowing through the SSL VPN proxy server, only converts the domain name, does not relate to the modification of URI and other information, and has concise rule matching and refining, so that the request efficiency, the response efficiency and the accuracy can be improved. The scheme has the advantages that the replacement target is single, and the replacement work can be completed more quickly and accurately. Therefore, the invention overcomes the problems of multi-step branching, request redirection, request inclusion storage and the like when the URI is converted during absolute path URL processing in the prior art. In addition, the regular expression is adopted in the rule configuration, and the matching performance, the portability and the expansibility of the regular expression have better advantages.
Drawings
Fig. 1 is a schematic flowchart of a method for converting a domain name according to an embodiment of the present invention.
Detailed Description
The following detailed description of specific embodiments of the present invention is provided in connection with the accompanying drawings, which are not intended to limit the invention.
It will be understood that various modifications may be made to the embodiments disclosed herein. Accordingly, the foregoing description should not be construed as limiting, but merely as exemplifications of embodiments. Other modifications will occur to those skilled in the art within the scope and spirit of the disclosure.
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the disclosure and, together with a general description of the disclosure given above, and the detailed description of the embodiments given below, serve to explain the principles of the disclosure.
These and other characteristics of the invention will become apparent from the following description of a preferred form of embodiment, given as a non-limiting example, with reference to the accompanying drawings.
It should also be understood that, although the invention has been described with reference to some specific examples, a person of skill in the art shall certainly be able to achieve many other equivalent forms of the invention, having the characteristics as set forth in the claims and hence all coming within the field of protection defined thereby.
The above and other aspects, features and advantages of the present disclosure will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.
Specific embodiments of the present disclosure are described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely examples of the disclosure that may be embodied in various forms. Well-known and/or repeated functions and structures have not been described in detail so as not to obscure the present disclosure with unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present disclosure in virtually any appropriately detailed structure.
The specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the disclosure.
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings,
as shown in fig. 1, an embodiment of the present invention provides a method for converting a domain name, where the method includes receiving a request packet initiated by a user browser;
analyzing the domain name information of the request message;
sending the resolved domain name information to a WEB server;
obtaining response information based on the response of the WEB server to the analyzed domain name information, and performing domain name replacement on the response information;
and sending the response information after the domain name replacement to a user browser so that the user can normally access the browser.
In this embodiment, to perform domain name conversion, first, a request message initiated by a user browser is received, for example, the request message may be received by an SSL VPN server, and the request message may be https:// svsvvhttp-test-web-com-p 8000. VPN-com/uri _ test, for example. The SSL VPN server parses the domain name information of the request packet, and for example, for the request packet, the domain name information in the request packet is svvhttp-test-web-com-p 8000.VPN. And then, sending the analyzed domain name information to a WEB server. Obtaining response information based on the response of the WEB server to the analyzed domain name information, and performing domain name replacement on the response information; in an embodiment, the WEB server needs to respond to the parsed domain name information, that is, the WEB server needs to process the parsed domain name information to obtain response information after processing, for example, the obtained response information may include link contents such as http:// h1.test.web.com:8000/uri _ test1 and https:// test.web2.com:8888/uri _ test2, in the above-mentioned embodiment provided by the present invention, the response information may be http:// h1.test.web.com:8000/uri _ test1 and https:// test.webb 2.com:8888/uri _ test2, actually, the present invention has no limitation on the number of the response information, which may be 1, 2 or 3, and may also be multiple, different response information corresponds to different resource information, for example, the WEB server may represent movie resource 8000/WEB _ test _ 1, https:// test.web2.com:8888/uri _ test2 the response information represents a news resource, etc., and the present invention is not particularly limited thereto. And finally, sending the response information after domain name replacement to a user browser so that the user can normally access the browser. In this embodiment, domain name replacement is required to be performed on the response information, and then the response information after domain name replacement is sent to the user browser, so that the user can normally access, for example, the http:// h1.test.web.com:8000/uri _ test1 and https:// test.web2.com:8888/uri _ test2 response information are subjected to domain name replacement respectively to obtain https:// svshtpt-h 1-test-web-com-p 8000.vpn. com/uri _ test1 and https:// svshtps-test-web 2-com- -pp 8888.vpn. text/uri _ test2, and the obtained https:// svshtpt-h-7-test-web-p-web-8000. vpt _ text 3668 are sent to the user browser as domain name replacement information 365639/httpn _ text-2 and httpvshtp _ text-2, the user clicks on https:// svsvsvvhttp-h 1-test-web-com-p 8000.vpn. com/uri _ test1 or https:// svsvsvsvhttps-test-web 2-com-p 8888.vpn. com/uri _ test2 to be able to enter the page for normal access.
In another embodiment provided by the present invention, the analyzing the domain name information of the request packet includes,
acquiring domain name information in the request message;
and analyzing the domain name information.
In this embodiment, if the domain name information of the request packet needs to be analyzed, the domain name information in the request packet is first acquired, and then the domain name information is analyzed. In a specific embodiment, when the request message is https:// svsvvhhttp-test-web-com-p 8000.vpn. com/uri _ test, the domain name information in the request message is svsvvhhttp-test-web-com-p 8000.vpn. com, and after the domain name information is obtained, the domain name information is analyzed.
In other embodiments provided by the present invention, the resolving the domain name information includes,
removing the tail part of the domain name information;
acquiring port information;
acquiring protocol information;
acquiring a target domain name;
and obtaining the resolved domain name information.
In this embodiment, when the domain name information is svsvvhttp-test-web-com-p 8000.vpn.com, analyzing the domain name information specifically includes removing a domain name tail of the domain name information, that is, removing. vpn.com; port information is obtained, i.e., 8000. In other embodiments, if p is not followed by a number, default port information is obtained, such as obtaining 80 or 443. Then acquiring protocol information, and acquiring http as the protocol information in the embodiment; then, the target domain name is obtained, for example, in the above embodiment, test-web-com is obtained, and "-" is changed to "-" and then is used as the target domain name, that is, test.
In one embodiment of the present invention, the obtaining the target domain name includes,
acquiring an initial domain name;
and converting the initial domain name to obtain the target domain name.
In the embodiment provided by the invention, if the target domain name is to be acquired, the initial domain name is acquired first, and then the initial domain name is converted to obtain the target domain name. Specifically, when the domain name information is svsvvhttp-test-web-com-p 8000.vpn. com, the obtained initial domain name is test-web-com, and then the initial domain name is converted, so that the target domain name can be obtained. For example, the conversion made to the initial domain name may be: changing the "-" in the initial domain name into ". The result is that test.
In an embodiment of the present invention, the obtained resolved domain name information includes,
and combining the port information, the protocol information and the target domain name to obtain the analyzed domain name information.
In this embodiment, the port information, the protocol information, and the target domain name are combined to obtain the resolved domain name information. In a specific embodiment, when the domain name information is svsvvhttp-test-web-com-p 8000.vpn.com, the port information is 8000, the protocol information is http, the target domain name is test.web.com, the port information, the protocol information and the target domain name are combined together with the uri _ test field to obtain the resolved domain name information of http:// test.web.com:8000/uri _ test.
In an embodiment provided by the present invention, the performing domain name replacement on the response information includes,
carrying out segmentation processing on the response information to obtain different response information segments;
and respectively processing the different response information segments to finish the domain name replacement of the response information.
In this embodiment, after obtaining the resolved domain name information, sending the resolved domain name information to a WEB server, where the WEB server responds to the resolved domain name information to obtain response information, and for example, when the resolved domain name information is http:// test.web.com:8000/uri _ test, the response information obtained by the WEB server responding to the resolved domain name information may be http:// h1.test.web.com:8000/uri _ test1 and https:// test.web2.com:8888/uri _ test 2. The specific steps of domain name replacement for the response information, for example, domain name replacement for http:// h1.test. web. com:8000/uri _ test1, are as follows: firstly, the http:// h1.test.web.com:8000/uri _ test1 is segmented, for example, the http:// h1.test.web.com, 8000 and uri _ test1 response information segments can be divided into four different response information segments, then the four different response information segments are respectively processed, the domain name replacement of the response information can be completed, for example, the http:// svvhttp-h 1-test-web-com- -p8000.vpn. com/uri _ test1 is obtained after the domain name replacement of the response information.
The specific steps for carrying out domain name replacement on https:// test.web2.com:8888/uri _ test2 are as follows: firstly, https:// test.web2.com:8888/uri _ test2 is segmented, for example, into four different response information segments of https, test.web2.com, 8888 and uri _ test2, and then the four different response information segments are respectively processed, so that domain name replacement of the response information can be completed, for example, after domain name replacement is performed on the response information, https:// svhttps-test-web 2-com-p 8888. vpn/uri _ test2 is obtained.
In one embodiment of the present invention, the response information segment includes,
a protocol information segment, a domain name information segment, a port information segment, and a URI information segment.
In this embodiment, when the response information is http:// h1.test.web.com:8000/URI _ test1, the response information is segmented, and the obtained http is a protocol information segment, h1.test.web.com is a domain name information segment, 8000 is a port information segment, and URI _ test1 is a URI information segment.
When the response information is https:// test.web2.com:8888/URI _ test2, the response information is segmented, the obtained https is a protocol information segment, test.web2.com is a domain name information segment, 8888 is a port information segment, and URI _ test2 is a URI information segment.
In another embodiment provided by the present invention, the processing the different response information segments separately includes,
processing the protocol information segment and the domain name information segment;
processing the port information segment;
adding domain name identification information;
and obtaining the response information after the domain name replacement.
In this embodiment, when the response information is http:// h1.test.web.com:8000/uri _ test1, the different pieces of response information are processed respectively, that is, four different pieces of response information, http, h1.test.web.com, 8000 and uri _ test1 are processed respectively. Processing a protocol information segment http and a domain name information segment h1.test.web.com to obtain svsvhttp-h1-test-web-com, processing an interface information segment to obtain-p 8000, not processing uri _ test1, combining the processed different information segments, and adding domain name identification information to obtain response information after domain name replacement. For example, the obtained response information after domain name replacement is https:// svsvvhttp-h 1-test-web-com- -p8000.vpn. com/uri _ test 1.
When the response information is https:// test.web2.com:8888/uri _ test2, the different pieces of response information are processed respectively, namely, four different pieces of response information, https, test.web2.com, 8888 and uri _ test2 are processed respectively. And processing the protocol information field https and the domain name information field test.web2.com to obtain svsvshttps-test-web 2-com, processing the port information field to obtain-p 8888, not processing uri _ test2, combining the processed different information fields, adding domain name identification information, and obtaining response information after domain name replacement. For example, the obtained response information after domain name replacement is https:// svsvshhttps-test-web 2-com-p 8888.vpn. com/uri _ test 2.
In an embodiment provided by the present invention, the adding of the domain name identification information includes adding new request protocol information and domain name tail identification information.
In this embodiment, when the response information is http:// h1.test.web.com:8000/uri _ test1, domain name replacement is performed on the response information to obtain https:// svsvsvsvvshttp-h 1-test-web-com- -p8000.vpn.com/uri _ test1, then https is new request protocol information added, and. vpn.com is domain name tail identification information added.
When the response information is https:// test.web2.com:8888/uri _ test2, performing domain name replacement on the response information to obtain https:// svsvsvshttps-test-web 2-com-p 8888.vpn.com/uri _ test2, wherein https is new request protocol information added, and. vpn.com is added domain name tail identification information.
In other embodiments provided by the present invention, the response information after the domain name replacement includes,
and combining the processed protocol information segment and the domain name information segment, the processed port information segment, the domain name identification information and the URI information segment to obtain the response information after domain name replacement.
In this embodiment, if the response information after the domain name replacement is obtained, the processed protocol information segment and the domain name information segment, the processed port information segment, the domain name identification information, and the URI information segment need to be combined.
When the response information is http:// h1.test.web.com:8000/URI _ test1, processing the protocol information section and the domain name information section to obtain svsvvhttp-h 1-test-web-com, processing the port information section to obtain-p 8000, the domain name identification information is https and-vpn.com, and the URI information section is URI _ test1, combining the processed protocol information section and the domain name information section, the processed port information section, the domain name identification information and the URI information section, namely combining svvhttp-h 1-test-web-com, - -p8000, htps tps, vstpcom and URI _ test1, and obtaining the response information after domain name replacement after combination, namely obtaining the http:// svvsvttp-h 1-test-web-test-8000. 1.
When the response information is https:// test.web2.com:8888/URI _ test2, the protocol information section and the domain name information section are processed to obtain svsvshttps-test-web 2-com, the port information section is processed to obtain-p 8888, the domain name identification information is https and vpn.com, and the URI information section is URI _ test2, the processed protocol information section and the domain name information section, the processed port information section, the domain name identification information and the URI information section are combined, namely svshttps-test-web 2-com, -/p 8888, htps tand vpn _ test2 are combined to obtain the response information after domain name replacement, namely, the https:// svsttps-test-2-pvvstpt _ test-web 8883. 2.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

Claims (10)

1. A method of converting a domain name, the method comprising,
receiving a request message initiated by a user browser;
analyzing the domain name information of the request message;
sending the resolved domain name information to a WEB server;
obtaining response information based on the response of the WEB server to the analyzed domain name information, and performing domain name replacement on the response information;
and sending the response information after the domain name replacement to a user browser so that the user can normally access the browser.
2. The method of claim 1, wherein the parsing the domain name information of the request packet comprises,
acquiring domain name information in the request message;
and analyzing the domain name information.
3. The method of claim 2, wherein the resolving the domain name information comprises,
removing the tail part of the domain name information;
acquiring port information;
acquiring protocol information;
acquiring a target domain name;
and obtaining the resolved domain name information.
4. The method of claim 3, wherein obtaining the target domain name comprises,
acquiring an initial domain name;
and converting the initial domain name to obtain the target domain name.
5. The method of claim 3, wherein the obtaining the resolved domain name information comprises,
and combining the port information, the protocol information and the target domain name to obtain the analyzed domain name information.
6. The method of claim 1, wherein the performing domain name replacement on the response message comprises,
carrying out segmentation processing on the response information to obtain different response information segments;
and respectively processing the different response information segments to finish the domain name replacement of the response information.
7. The method of claim 6, wherein the response information segment includes,
a protocol information segment, a domain name information segment, a port information segment, and a URI information segment.
8. The method of claim 7, wherein the processing the different response information segments separately comprises,
processing the protocol information segment and the domain name information segment;
processing the port information segment;
adding domain name identification information;
and obtaining the response information after the domain name replacement.
9. The method according to claim 8, wherein the adding the domain name identification information comprises adding new request protocol information and domain name tail identification information.
10. The method of claim 8, wherein obtaining the response information after the domain name replacement comprises,
and combining the processed protocol information segment and the domain name information segment, the processed port information segment, the domain name identification information and the URI information segment to obtain the response information after domain name replacement.
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