CN106878458A - A kind of proxy access method and system - Google Patents
A kind of proxy access method and system Download PDFInfo
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- CN106878458A CN106878458A CN201710184346.5A CN201710184346A CN106878458A CN 106878458 A CN106878458 A CN 106878458A CN 201710184346 A CN201710184346 A CN 201710184346A CN 106878458 A CN106878458 A CN 106878458A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Computer And Data Communications (AREA)
Abstract
The invention provides a kind of proxy access method and system, the method includes：When dns server receives when carrying the access request of target domain name of client transmission, target domain name is parsed, obtain the corresponding destination server address of target domain name, and judge whether destination server address is default agent address；If so, dns server sends to proxy server access request and destination server address；Proxy server searches corresponding destination server according to destination server address, and when destination server is found, access request is sent to destination server；When proxy server detects destination server is based on the web data of access request feedback, web data is sent to client.Based on method disclosed by the invention, the shunting to access request is realized, reduce the data processing amount of proxy server, so as to reduce the possibility that access delay problem occurs in client.
Description
Technical field
The present invention relates to network access technology field, more specifically to a kind of proxy access method and system.
Background technology
With the fast development of China's economic society, network technology is quite flourishing.Enterprise staff can not in office
Need with avoiding to obtain internet information.Work is influenceed in order to prevent the employee work time from accessing outer net, with access agent
Extranet access of the form to employee carries out control.
Current enterprise frequently with VPN (Virtual Private Network, Virtual Private Network) technology, in client and
A proxy server method is set up between accessed resource realize access agent.The access request that client accesses outer net is passed through
Proxy server is crossed, obtaining web data by proxy server relays to the client, and in the process, proxy server is also
Access request can be managed according to preset rules, for example, set and accessing the outer net time period or forbidding accessing shopping website
Deng.But, when enterprise staff number is a lot, when a large amount of clients send access request to proxy server simultaneously, agency service
The data processing pressure of device is very big, so as to cause client to be likely to occur access delay problem.
The content of the invention
In view of this, the present invention provides a kind of proxy access method and system, to solve a large amount of clients simultaneously to agency
When server sends access request, the data processing pressure of proxy server is very big, so as to cause client to be likely to occur access
The problem of delay.Technical scheme is as follows：
A kind of proxy access method, including：
When dns server receives when carrying the access request of target domain name of client transmission, the target is parsed
Domain name, obtains the corresponding destination server address of the target domain name, and judge whether the destination server address is default
Agent address；
When the dns server judges the destination server address as the default agent address, by the access
Request and the destination server address are sent to proxy server；
The proxy server searches corresponding destination server according to the destination server address, and ought find
During the destination server, the access request is sent to the destination server；
When the proxy server detects the destination server is based on the web data of access request feedback,
The web data is sent to the client.
Preferably, also include：
When the dns server judges the destination server address not as the default agent address, according to described
Destination server address searches corresponding destination server, also, when the destination server is found, please by the access
Ask transmission to the destination server；
When the dns server detects the destination server is based on the web data of access request feedback, will
The web data is sent to the client.
Preferably, also include：
When the dns server does not find the destination server, generate and do not exist for characterizing destination server
The first prompt message, and send to the client.
Preferably, also include：
When the proxy server does not find the destination server, generate and do not exist for characterizing destination server
The second prompt message, and send to the client.
Preferably, the dns server parses the target domain name, obtains the corresponding destination server of the target domain name
Address, including：
Dns server judges to whether there is the target domain name, the DNS mapping tables in pre-loaded DNS mapping tables
In include at least one domain name and its corresponding server address；
When the dns server judges to there is the target domain name in the DNS mapping tables, from the DNS mapping tables
It is middle to obtain the corresponding destination server address of the target domain name.
A kind of proxy access system, including：Dns server and proxy server；
The dns server, for when when carrying the access request of target domain name of client transmission is received, parsing
The target domain name, obtains the corresponding destination server address of the target domain name, and judge that the destination server address is
No is default agent address, and, when the destination server address is judged as the default agent address, by the access
Request and the destination server address are sent to proxy server；
The proxy server, for searching corresponding destination server according to the destination server address, and works as
When finding the destination server, the access request is sent to the destination server, and the mesh ought be detected
When mark server is based on the web data of access request feedback, the web data is sent to the client.
Preferably, the dns server, is additionally operable to：
When judging the destination server address not as the default agent address, according to the destination server address
Corresponding destination server is searched, also, when the destination server is found, the access request is sent to the mesh
Mark server, and, when web data of the destination server based on access request feedback is detected, by the web
Data is activation is to the client.
Preferably, the dns server, is additionally operable to：
When the destination server is not found, generate for characterizing the non-existent first prompting letter of destination server
Breath, and send to the client.
Preferably, the proxy server, is additionally operable to：
When the destination server is not found, generate for characterizing the non-existent second prompting letter of destination server
Breath, and send to the client.
Preferably, the dns server, for parsing the target domain name, obtains the corresponding target of the target domain name
Server address, specifically includes：
Judge to whether there is the target domain name in pre-loaded DNS mapping tables, comprising at least in the DNS mapping tables
One domain name and its corresponding server address；
When there is the target domain name in judging the DNS mapping tables, the target is obtained from the DNS mapping tables
The corresponding destination server address of domain name.
Compared to prior art, what the present invention was realized has the beneficial effect that：
The invention discloses a kind of proxy access method and system, dns server judges the corresponding target of target domain name
Whether server address is default agent address, only by the access request that destination server address is default agent address send to
Proxy server so that proxy server obtains the corresponding web data of access request and sends to client.Which achieves right
The shunting of access request, reduces the data processing amount of proxy server, access delay problem occurs so as to reduce client
Possibility.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of proxy access method flow diagram disclosed in the embodiment of the present invention one；
Fig. 2 is another proxy access method partial process view disclosed in the embodiment of the present invention one；
Fig. 3 is a kind of proxy access method flow diagram disclosed in the embodiment of the present invention two；
Fig. 4 is a kind of proxy access system structure diagram disclosed in the embodiment of the present invention three.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Dns server is computer domain name system (Domain Name System or Domain Name Service)
Abbreviation.The domain name and the corresponding server address of the domain name of Servers-all in the network are preserved in dns server, and
And, domain name can be converted to server address；Wherein, a domain name must correspond to a server address, and server address
Not necessarily there is domain name.Domain name is mapped as dns server the process thus referred to as " domain name mapping " of server address.
Embodiment one
The embodiment of the present invention one discloses a kind of proxy access method, method flow diagram as shown in figure 1, including following step
Suddenly：
S101, when dns server receives when carrying the access request of target domain name of client transmission, parses target
Domain name, obtains the corresponding destination server address of target domain name, and judge whether destination server address is default agent address；
When dns server judges destination server address as default agent address, step S102 is performed；
During step S101 is performed, dns server carries out domain name solution to the target domain name carried in access request
Analysis, target domain name is mapped as destination server address, wherein, dns server be in advance client and accessed resource it
Between set up；
Dns server can pre-loaded proxy address list, and by judging in proxy address list with the presence or absence of target
Server address determines whether destination server address is default agent address；
It should be noted that network is communicated and is connected based on ICP/IP protocol, every server in network
All the mark of existence anduniquess, i.e. server address, are used to distinguish other servers in network；Preferably, server address can
It is IP address.
IP address represents that each IP address 32 bit long is made up of, numeral 4 numerals less than 256 with binary number
Between with point be spaced, for example, 166.111.1.11 can represent an IP address.Because there is certain memory hardly possible in server address
Degree, therefore, a kind of character type address, i.e. domain name, also, domain name and server address are developed on the basis of server address
In the presence of one-to-one relation.For example, Baidu domain name " https:The corresponding Baidu's server address of //www.***.com/ "
It is " 61.135.169.105 ".
Optionally, dns server parsing target domain name in step S101, obtains the corresponding destination server ground of target domain name
The specific implementation procedure of location, method flow diagram is as shown in Fig. 2 comprise the following steps：
S201, dns server judges to whether there is target domain name, the DNS mapping tables in pre-loaded DNS mapping tables
In include at least one domain name and its corresponding server address；When dns server judges there is target domain name in DNS mapping tables
When, perform step S202；
S202, dns server obtains the corresponding destination server address of target domain name from DNS mapping tables.
S102, dns server sends to proxy server access request and destination server address；
During step S102 is performed, for example, the entitled Baidu's domain name of aiming field carried in access request
“https://www.***.com/ ", the corresponding destination server address of Baidu's domain name is Baidu's server address
" 61.135.169.105 ", when dns server judges that Baidu's server address " 61.135.169.105 " is default agent address
When, represent that Baidu's domain name must walk proxy access approach, then by the access request and Baidu's server address
" 61.135.169.105 " send to proxy server, wherein, proxy server be in advance client and accessed resource it
Between set up.
S103, proxy server searches corresponding destination server according to destination server address, and ought find mesh
During mark server, access request is sent to destination server；
During step S103 is performed, for example, the entitled Baidu's domain name of aiming field carried in access request
“https://www.***.com/ ", the corresponding destination server address of Baidu's domain name is Baidu's server address
" 61.135.169.105 ", proxy server searches Baidu's server according to Baidu's server address, also, when finding,
The access request is sent to Baidu's server.
S104, when proxy server detects destination server is based on the web data of access request feedback, by web numbers
According to transmission to client.
Also, it should be noted that proxy access method may also include disclosed in the present embodiment one：
When proxy server does not find destination server, generate and carried for characterizing destination server non-existent second
Show information, and send to client.
The invention discloses a kind of proxy access method, dns server judges the corresponding destination server ground of target domain name
Whether location is default agent address, only sends to agency service the access request that destination server address is default agent address
Device so that proxy server obtains the corresponding web data of access request and sends to client.Which achieves to access request
Shunting, the data processing amount of proxy server is reduced, so as to reduce the possibility that access delay problem occurs in client.
Embodiment two
Proxy access method and Fig. 1 with reference to disclosed in above-described embodiment one, the embodiment of the present invention two are also disclosed a kind of agency
Access method, method flow diagram are as shown in figure 3, comprise the following steps：
S101, when dns server receives when carrying the access request of target domain name of client transmission, parses target
Domain name, obtains the corresponding destination server address of target domain name, and judge whether destination server address is default agent address；
When dns server judges destination server address as default agent address, step S102 is performed；When dns server judges mesh
When mark server address is not for default agent address, step S301 is performed；
S102, dns server sends to proxy server access request and destination server address；
S103, proxy server searches corresponding destination server according to destination server address, and ought find mesh
During mark server, access request is sent to destination server；
S104, when proxy server detects destination server is based on the web data of access request feedback, by web numbers
According to transmission to client；
S301, dns server searches corresponding destination server according to destination server address, also, ought find mesh
During mark server, access request is sent to destination server；
During step S301 is performed, for example, the entitled Baidu's domain name of aiming field carried in access request
“https://www.***.com/ ", the corresponding destination server address of Baidu's domain name is Baidu's server address
" 61.135.169.105 ", when dns server judges Baidu's server address " 61.135.169.105 " not to preset vicariously
During location, represent that Baidu's domain name walks normal access approach, then dns server searches Baidu's service according to Baidu's server address
Device, also, when finding, the access request is sent to Baidu's server.
S302, when dns server detects destination server is based on the web data of access request feedback, by web data
Send to client.
It should be noted that proxy access method may also include disclosed in the present embodiment two：
When dns server does not find destination server, generate and carried for characterizing destination server non-existent first
Show information, and send to client.
In proxy access method disclosed in the embodiment of the present invention two, the implementation procedure of step S101~step S104 with it is above-mentioned
The step of disclosed in embodiment one, S101~step S104 was consistent, will not be repeated here, and referred to disclosed in the embodiment of the present invention
Part.
The invention discloses a kind of proxy access method, dns server judges the corresponding destination server ground of target domain name
Whether location is default agent address；When destination server address is not for default agent address, direct access access request correspondence
Web data and send to client；When destination server address is default agent address, it is by destination server address then
The access request of default agent address is sent to proxy server so that proxy server obtains the corresponding web numbers of access request
According to and send to client.Which achieves the shunting to access request, the data processing amount of proxy server is reduced, so that
Reduce the possibility that access delay problem occurs in client.
Embodiment three
Based on above-described embodiment one and proxy access method disclosed in embodiment two, the embodiment of the present invention three is then corresponded to and provided
The system for performing above-mentioned proxy access method, the proxy access system includes：Dns server 101 and proxy server 102；
Dns server 101, for when when carrying the access request of target domain name of client transmission is received, parsing
Target domain name, obtains the corresponding destination server address of target domain name, and judge whether destination server address is default agency
Address, and, when destination server address is judged as default agent address, access request and destination server address are sent out
Deliver to proxy server；
Proxy server 102, finds for searching corresponding destination server according to destination server address, and working as
During destination server, access request is sent to destination server, and it is anti-based on access request when destination server is detected
During the web data of feedback, web data is sent to client.
Preferably, dns server 101, are additionally operable to：
When destination server address is judged not as default agent address, corresponding mesh is searched according to destination server address
Mark server, also, when destination server is found, access request is sent to destination server, and, when detecting mesh
When mark server is based on the web data of access request feedback, web data is sent to client.
Preferably, dns server 101, are additionally operable to：
When destination server is not found, generate for characterizing non-existent first prompt message of destination server, and
Send to client.
Preferably, proxy server 102, are additionally operable to：
When destination server is not found, generate for characterizing non-existent second prompt message of destination server, and
Send to client.
Preferably, dns server 101, for parsing target domain name, obtain the corresponding destination server ground of target domain name
Location, specifically includes：
Judge to whether there is target domain name in pre-loaded DNS mapping tables, at least one is included in the DNS mapping tables
Domain name and its corresponding server address；
When there is target domain name in judging DNS mapping tables, the corresponding target clothes of target domain name are obtained from DNS mapping tables
Business device address.
The invention discloses a kind of proxy access system, dns server judges the corresponding destination server ground of target domain name
Whether location is default agent address, only sends to agency service the access request that destination server address is default agent address
Device so that proxy server obtains the corresponding web data of access request and sends to client.Which achieves to access request
Shunting, the data processing amount of proxy server is reduced, so as to reduce the possibility that access delay problem occurs in client.
A kind of proxy access method and system provided by the present invention are described in detail above, it is used herein
Specific case is set forth to principle of the invention and implementation method, and the explanation of above example is only intended to help and understands this
The method and its core concept of invention；Simultaneously for those of ordinary skill in the art, according to thought of the invention, specific
Be will change in implementation method and range of application, in sum, this specification content should not be construed as to of the invention
Limitation.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
For device disclosed in embodiment, because it is corresponded to the method disclosed in Example, so fairly simple, the phase of description
Part is closed referring to method part illustration.
Also, it should be noted that herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and between not necessarily requiring or implying these entities or operate
There is any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to contain
Lid nonexcludability is included, so that process, method, article or the intrinsic key element of equipment including a series of key elements,
Or it is these processes, method, article or the intrinsic key element of equipment also to include.In the absence of more restrictions,
The key element limited by sentence "including a ...", it is not excluded that in the process including the key element, method, article or equipment
In also there is other identical element.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (10)
1. a kind of proxy access method, it is characterised in that including：
When dns server receives when carrying the access request of target domain name of client transmission, the target domain name is parsed,
The corresponding destination server address of the target domain name is obtained, and judges whether the destination server address is to preset vicariously
Location；
When the dns server judges the destination server address as the default agent address, by the access request
And the destination server address is sent to proxy server；
The proxy server searches corresponding destination server according to the destination server address, and described when finding
During destination server, the access request is sent to the destination server；
When the proxy server detects the destination server is based on the web data of access request feedback, by institute
Web data is stated to send to the client.
2. method according to claim 1, it is characterised in that also include：
When the dns server judges the destination server address not as the default agent address, according to the target
Server address searches corresponding destination server, also, when the destination server is found, by access request hair
Deliver to the destination server；
When the dns server detects the destination server is based on the web data of access request feedback, will be described
Web data is sent to the client.
3. method according to claim 2, it is characterised in that also include：
When the dns server does not find the destination server, generate for characterizing destination server non-existent
One prompt message, and send to the client.
4. method according to claim 1, it is characterised in that also include：
When the proxy server does not find the destination server, generate for characterizing destination server non-existent
Two prompt messages, and send to the client.
5. the method according to Claims 1 to 4 any one, it is characterised in that the dns server parses the target
Domain name, obtains the corresponding destination server address of the target domain name, including：
Dns server judges to whether there is the target domain name in pre-loaded DNS mapping tables, is wrapped in the DNS mapping tables
Containing at least one domain name and its corresponding server address；
When the dns server judges to there is the target domain name in the DNS mapping tables, obtained from the DNS mapping tables
Take the corresponding destination server address of the target domain name.
6. a kind of proxy access system, it is characterised in that including：Dns server and proxy server；
The dns server, for when when carrying the access request of target domain name of client transmission is received, parsing to be described
Target domain name, obtains the corresponding destination server address of the target domain name, and judge the destination server address whether be
Default agent address, and, when the destination server address is judged as the default agent address, by the access request
And the destination server address is sent to proxy server；
The proxy server, for searching corresponding destination server according to the destination server address, and when lookup
During to the destination server, the access request is sent to the destination server, and taken when the target is detected
When business device is based on the web data of access request feedback, the web data is sent to the client.
7. system according to claim 6, it is characterised in that the dns server, is additionally operable to：
When judging the destination server address not as the default agent address, searched according to the destination server address
Corresponding destination server, also, when the destination server is found, the access request is sent to target clothes
Business device, and, when web data of the destination server based on access request feedback is detected, by the web data
Send to the client.
8. system according to claim 7, it is characterised in that the dns server, is additionally operable to：
When the destination server is not found, generate for characterizing non-existent first prompt message of destination server, and
Send to the client.
9. system according to claim 6, it is characterised in that the proxy server, is additionally operable to：
When the destination server is not found, generate for characterizing non-existent second prompt message of destination server, and
Send to the client.
10. the system according to claim 6~9 any one, it is characterised in that the dns server, for parsing
Target domain name is stated, the corresponding destination server address of the target domain name is obtained, specifically included：
Judge to whether there is the target domain name in pre-loaded DNS mapping tables, at least one is included in the DNS mapping tables
Domain name and its corresponding server address；
When there is the target domain name in judging the DNS mapping tables, the target domain name is obtained from the DNS mapping tables
Corresponding destination server address.
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| CN109379438A (en) * | 2018-11-29 | 2019-02-22 | 西安四叶草信息技术有限公司 | Agent relation's configuration method and device |
| CN111064795A (en) * | 2019-12-20 | 2020-04-24 | 腾讯科技（深圳）有限公司 | Web page access acceleration method, system, computer equipment, server and medium |
| CN111131436A (en) * | 2019-12-20 | 2020-05-08 | 广州品唯软件有限公司 | Method and device for quickly searching proxy and readable storage medium |
| CN112087340A (en) * | 2020-09-18 | 2020-12-15 | 四川长虹电器股份有限公司 | Test method and system for reducing performance test cost in cloud environment |
| CN113141621A (en) * | 2021-04-09 | 2021-07-20 | 维沃移动通信有限公司 | Agent configuration method, agent configuration device and electronic equipment |
| WO2022057000A1 (en) * | 2020-09-16 | 2022-03-24 | 厦门网宿有限公司 | Data proxy method and system and proxy server |
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| CN101277306A (en) * | 2008-05-14 | 2008-10-01 | 华为技术有限公司 | Method, system and equipment for processing DNS service |
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| CN102143187A (en) * | 2011-04-07 | 2011-08-03 | 北京星网锐捷网络技术有限公司 | Method and system for terminal equipment to access network as well as network access proxy device |
| CN102624938A (en) * | 2011-11-28 | 2012-08-01 | 苏州奇可思信息科技有限公司 | Method for proxy internet access using double broadband output ports of Telecom and Unicom |
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