CN109889625B - Method for accessing server, accounting node, server and computer readable storage medium - Google Patents
Method for accessing server, accounting node, server and computer readable storage medium Download PDFInfo
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Abstract
The embodiment of the invention provides a method and equipment for accessing a server and a computer readable storage medium. The embodiment of the invention receives the domain name registration information which is sent by the server and signed by the server by adopting a private key through the accounting node of the block chain, the domain name registration information comprises a domain name, an IP address, a port number and a download address of a client program corresponding to the server, so that the block chain node needing to access the server can acquire the domain name registration information of the server from the accounting node, downloading the client program according to the download address of the client program in the domain name registration information, so that the client program accesses the server through the IP address and port number in the domain name registration information, when the IP address and the port number of the server dynamically change, the client can normally acquire the public network address and the port number of the server after the real-time change, so that the client can normally access the server.
Description
Technical Field
Embodiments of the present invention relate to the field of communications technologies, and in particular, to a method and an apparatus for accessing a server, and a computer-readable storage medium.
Background
Generally, when a client accesses a server, the domain name of the server needs to be resolved into the IP address of the server, so that the client accesses the server through the IP address of the server. When the client accesses the server, access is typically based on a default port number.
In the prior art, an IP Address and a port number of a server may be a public Network Address and a port number mapped by Network Address Translation (NAT), and the public Network Address and the port number mapped by the NAT are dynamically changed, and a client cannot acquire the public Network Address and the port number that are changed in real time by the server, so that the client cannot normally access the server.
Disclosure of Invention
Embodiments of the present invention provide a method, an apparatus, and a computer-readable storage medium for accessing a server, so as to ensure that a client can normally obtain a public network address and a port number of the server after real-time change, thereby ensuring that the client can normally access the server.
In a first aspect, an embodiment of the present invention provides a method for accessing a server, including:
the method comprises the steps that an accounting node of a block chain receives domain name registration information which is sent by a server and signed by the server through a private key, wherein the domain name registration information comprises a domain name, an IP address, a port number and a download address of a client program corresponding to the server;
the accounting node verifies the domain name registration information signed by the server by adopting a private key;
when the accounting node passes the verification of the domain name registration information signed by the server by the private key and the domain name and the IP address corresponding to the server are not registered, the accounting node records the domain name registration information into a block chain account book;
the accounting node receives the domain name corresponding to the server sent by the blockchain node;
and the accounting node inquires the domain name registration information of the server from the block chain account book according to the domain name corresponding to the server, and sends the domain name registration information to the block chain node, so that the block chain node downloads the client program according to the download address of the client program in the domain name registration information, and the client program accesses the server through the IP address and the port number in the domain name registration information.
In a second aspect, an embodiment of the present invention provides a method for accessing a server, including:
the server acquires the real-time IP address and the port number of the server;
the server signs a domain name, an IP address, a port number, a downloading address of a client program and a hash value of the client program corresponding to the server by adopting a private key to obtain signed domain name registration information;
and the server broadcasts the signed domain name registration information to a domain name block chain.
In a third aspect, an embodiment of the present invention provides a block chain accounting node, including:
a memory;
a processor;
a communication interface; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to:
receiving domain name registration information which is sent by a server and signed by the server by adopting a private key through the communication interface, wherein the domain name registration information comprises a domain name, an IP address, a port number and a download address of a client program corresponding to the server;
verifying the domain name registration information signed by the server by using a private key;
when the accounting node passes the verification of the domain name registration information signed by the server by the private key and the domain name and the IP address corresponding to the server are not registered, recording the domain name registration information into a block chain account book;
receiving the domain name corresponding to the server sent by the blockchain node through the communication interface;
and inquiring the domain name registration information of the server from the block chain book according to the domain name corresponding to the server, and sending the domain name registration information to the block chain node through the communication interface, so that the block chain node downloads the client program according to the download address of the client program in the domain name registration information, and the client program accesses the server through the IP address and the port number in the domain name registration information.
In a fourth aspect, an embodiment of the present invention provides a server, including:
a memory;
a processor;
a communication interface; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to:
acquiring the real-time IP address and port number of the server;
signing the domain name, the IP address, the port number, the downloading address of the client program and the hash value of the client program corresponding to the server by adopting a private key to obtain signed domain name registration information;
and broadcasting the signed domain name registration information to a domain name block chain through the communication interface.
In a fifth aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored, the computer program being executed by a processor to implement the method of the first aspect or the second aspect.
The method, the device and the computer readable storage medium for accessing a server provided by the embodiments of the present invention receive, by an accounting node of a block chain, domain name registration information sent by the server and signed by a private key, where the domain name registration information includes a domain name, an IP address, a port number and a download address of a client program corresponding to the server, so that a block link point that needs to access the server can obtain the domain name registration information of the server from the accounting node, download the client program according to the download address of the client program in the domain name registration information, so that the client program accesses the server through the IP address and the port number in the domain name registration information, and when the IP address and the port number of the server dynamically change, ensure that the client can normally obtain a public network address and a port number of the server after the server changes in real time, thereby ensuring that the client can normally access the server.
Drawings
Fig. 1 is a schematic structural diagram of a network according to an embodiment of the present invention;
FIG. 2 is a flowchart of a method for accessing a server according to an embodiment of the present invention;
FIG. 3 is a flowchart of a method for accessing a server according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an accounting node of a block chain according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a server according to an embodiment of the present invention.
With the foregoing drawings in mind, certain embodiments of the disclosure have been shown and described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The method for accessing the server provided by the embodiment of the invention can be applied to the network shown in fig. 1. As shown in fig. 1, the network may specifically be a blockchain network, and the blockchain network includes a plurality of accounting nodes, and each accounting node may record a domain name, an IP address, and a port number issued by the server. In addition, the blockchain network may further include a blockchain node, where the blockchain node may be any node in the blockchain network, and the blockchain node may specifically be a terminal, and the terminal may access the server.
The method for accessing the server provided by the embodiment of the invention aims to solve the technical problems in the prior art.
The following describes the technical solutions of the present invention and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 2 is a flowchart of a method for accessing a server according to an embodiment of the present invention. The embodiment of the invention provides a method for accessing a server aiming at the technical problems in the prior art, which comprises the following specific steps:
In this embodiment, the server may broadcast its own domain name, IP address and port number in the blockchain. Wherein the IP address and port number of the server may be changed in real time. For example, the IP Address of the server is a public Network IP Address mapped by Network Address Translation (NAT), and the port number of the server is a port number mapped by NAT. The public network address and port number after NAT mapping are dynamically changed.
In a possible manner, the server may send query information to the NAT device where the server is located, so as to query and obtain the public network IP address and the port number allocated to the server by the NAT device.
In another possible way, the server may send query information to a certain device in the public network, and the device feeds back the public network IP address and port number of the server to the server.
In this embodiment, the server may be accessed by other devices, for example, a terminal, through a client program, and the server may sign a domain name, an IP address, a port number, a download address of the client program, and a hash value of the client program corresponding to the server by using a private key, so as to obtain signed domain name registration information.
In addition, the client program may be a general-purpose program such as a web browser or other commonly used software. When the client program is a general program, the server can sign the domain name, the IP address, the port number, and the name of the client program corresponding to the server by using a private key, and obtain the signed domain name registration information.
For example, when the server signs a domain name, an IP address, a port number, a download address of a client program, and a hash value of the client program corresponding to the server by using a private key, and obtains signed domain name registration information, the signed domain name registration information is broadcast to a domain name block chain.
The embodiment of the invention receives the domain name registration information which is sent by the server and signed by the server by adopting a private key through the accounting node of the block chain, the domain name registration information comprises a domain name, an IP address, a port number and a download address of a client program corresponding to the server, so that the block chain node needing to access the server can acquire the domain name registration information of the server from the accounting node, downloading the client program according to the download address of the client program in the domain name registration information, so that the client program accesses the server through the IP address and port number in the domain name registration information, when the IP address and the port number of the server dynamically change, the client can normally acquire the public network address and the port number of the server after the real-time change, so that the client can normally access the server.
Fig. 3 is a flowchart of a method for accessing a server according to an embodiment of the present invention. The embodiment of the invention provides a method for accessing a server aiming at the technical problems in the prior art, which comprises the following specific steps:
Optionally, the domain name registration information further includes a hash value of the client program, and the hash value of the client program is used for determining the correctness of the client program by using the block link node.
In addition, the domain name registration information further includes indication information of an operating environment of the client program. The running environment of the client program may specifically be a Docker environment or other environments such as an ethernet EVM environment, and the running environment may include most common components, so that the download amount of the client program may be reduced.
In addition, the domain name registration information further includes a blockchain identifier of the server.
And when the accounting node of the block chain receives the domain name registration information which is sent by the server and signed by the server by using the private key, verifying the domain name registration information which is signed by the server by using the private key.
When the accounting node of the block chain passes the verification of the domain name registration information signed by the server by the private key, the domain name corresponding to the server is not registered, and the IP address of the server is not registered by other domain names, the accounting node records the domain name registration information of the server into a new block so as to further record the domain name registration information into a block chain account book.
And step 304, the accounting node receives the domain name corresponding to the server sent by the blockchain node.
When a certain node in the blockchain, i.e. the blockchain node shown in fig. 1, needs to access the server for the first time, the blockchain node may broadcast the domain name corresponding to the server in the blockchain network, so that the accounting node of the blockchain may receive the domain name corresponding to the server.
After receiving the domain name corresponding to the server, the accounting node of the blockchain queries the domain name registration information of the server from the blockchain account book according to the domain name corresponding to the server, and sends the domain name registration information of the server to the blockchain link point, so that the blockchain link point can acquire the domain name, the IP address and the port number of the server, and acquire the download address of the client program and the hash value of the client program. Specifically, the block link point may download the client program according to the download address of the client program, and determine whether the client program is correct according to the hash value of the client program. If the block link point determines that the client program is correct, the client program is started in the operating environment as described above, and the client program is caused to access the server according to the IP address and the port number of the server.
The embodiment of the invention receives the domain name registration information which is sent by the server and signed by the server by adopting a private key through the accounting node of the block chain, the domain name registration information comprises a domain name, an IP address, a port number and a download address of a client program corresponding to the server, so that the block chain node needing to access the server can acquire the domain name registration information of the server from the accounting node, downloading the client program according to the download address of the client program in the domain name registration information, so that the client program accesses the server through the IP address and port number in the domain name registration information, when the IP address and the port number of the server dynamically change, the client can normally acquire the public network address and the port number of the server after the real-time change, so that the client can normally access the server.
Fig. 4 is a schematic structural diagram of an accounting node of a block chain according to an embodiment of the present invention. As shown in fig. 4, the block chain accounting node 40 may execute the processing flow provided by the method for accessing the server, where the block chain accounting node includes: a memory 41, a processor 42, a communication interface 43, and a computer program; wherein the computer program is stored in the memory and configured to be executed by the processor to: receiving domain name registration information which is sent by a server and signed by the server by adopting a private key through the communication interface, wherein the domain name registration information comprises a domain name, an IP address, a port number and a download address of a client program corresponding to the server; verifying the domain name registration information signed by the server by using a private key; when the accounting node passes the verification of the domain name registration information signed by the server by the private key and the domain name and the IP address corresponding to the server are not registered, recording the domain name registration information into a block chain account book; receiving the domain name corresponding to the server sent by the blockchain node through the communication interface; and inquiring the domain name registration information of the server from the block chain book according to the domain name corresponding to the server, and sending the domain name registration information to the block chain node through the communication interface, so that the block chain node downloads the client program according to the download address of the client program in the domain name registration information, and the client program accesses the server through the IP address and the port number in the domain name registration information.
Optionally, the domain name registration information further includes a hash value of the client program, and the hash value of the client program is used for determining the correctness of the client program by using the block link node.
Optionally, the domain name registration information further includes indication information of an operating environment of the client program.
Optionally, the IP address of the server is a public network IP address mapped by NAT through network address translation, and the port number of the server is a port number mapped by NAT.
The accounting node of the embodiment shown in fig. 4 may be configured to implement the technical solution of the above method embodiment, and the implementation principle and the technical effect are similar, and are not described herein again.
Fig. 5 is a schematic structural diagram of a server according to an embodiment of the present invention. As shown in fig. 5, the server 50 includes: a memory 51, a processor 52, a communication interface 53, and a computer program; wherein the computer program is stored in the memory and configured to be executed by the processor to: acquiring the real-time IP address and port number of the server; signing the domain name, the IP address, the port number, the downloading address of the client program and the hash value of the client program corresponding to the server by adopting a private key to obtain signed domain name registration information; and broadcasting the signed domain name registration information to a domain name block chain through the communication interface.
The server in the embodiment shown in fig. 5 may be configured to execute the technical solution of the above method embodiment, and the implementation principle and the technical effect are similar, which are not described herein again.
In addition, the embodiment of the present invention also provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the method for accessing a server described in the above embodiment.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
It is obvious to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be performed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to perform all or part of the above described functions. For the specific working process of the device described above, reference may be made to the corresponding process in the foregoing method embodiment, which is not described herein again.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (11)
1. A method for accessing a server, comprising:
the method comprises the steps that an accounting node of a block chain receives domain name registration information which is sent by a server and signed by the server through a private key, wherein the domain name registration information comprises a domain name, an IP address, a port number and a download address of a client program corresponding to the server;
the accounting node verifies the domain name registration information signed by the server by adopting a private key;
when the accounting node passes the verification of the domain name registration information signed by the server by the private key and the domain name and the IP address corresponding to the server are not registered, the accounting node records the domain name registration information into a block chain account book;
the accounting node receives the domain name corresponding to the server sent by the blockchain node;
and the accounting node inquires the domain name registration information of the server from the block chain account book according to the domain name corresponding to the server, and sends the domain name registration information to the block chain node, so that the block chain node downloads the client program according to the download address of the client program in the domain name registration information, and the client program accesses the server through the IP address and the port number in the domain name registration information.
2. The method of claim 1, wherein the domain name registration information further comprises a hash value of the client program, and wherein the hash value of the client program is used by the chunk chain node to determine the correctness of the client program.
3. The method according to claim 1 or 2, wherein the domain name registration information further includes indication information of an execution environment of the client program.
4. The method of claim 1, wherein the IP address of the server is a public network IP address mapped by Network Address Translation (NAT), and the port number of the server is a port number mapped by NAT.
5. A method for accessing a server, comprising:
the server acquires the real-time IP address and the port number of the server;
the server signs a domain name, an IP address, a port number, a downloading address of a client program and a hash value of the client program corresponding to the server by adopting a private key to obtain signed domain name registration information;
and the server broadcasts the signed domain name registration information to a domain name block chain.
6. A billing node for a blockchain, comprising:
a memory;
a processor;
a communication interface; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to:
receiving domain name registration information which is sent by a server and signed by the server by adopting a private key through the communication interface, wherein the domain name registration information comprises a domain name, an IP address, a port number and a download address of a client program corresponding to the server;
verifying the domain name registration information signed by the server by using a private key;
when the accounting node passes the verification of the domain name registration information signed by the server by the private key and the domain name and the IP address corresponding to the server are not registered, recording the domain name registration information into a block chain account book;
receiving the domain name corresponding to the server sent by the blockchain node through the communication interface;
and inquiring the domain name registration information of the server from the block chain book according to the domain name corresponding to the server, and sending the domain name registration information to the block chain node through the communication interface, so that the block chain node downloads the client program according to the download address of the client program in the domain name registration information, and the client program accesses the server through the IP address and the port number in the domain name registration information.
7. An accounting node according to claim 6, wherein the domain name registration information further comprises a hash value of the client program, the hash value of the client program being used by the chunk chain node to determine the correctness of the client program.
8. Accounting node according to claim 6 or 7, wherein the domain name registration information further comprises an indication of the running environment of the client program.
9. An accounting node according to claim 6, wherein the IP address of the server is a public network IP address mapped by NAT and the port number of the server is a port number mapped by NAT.
10. A server, comprising:
a memory;
a processor;
a communication interface; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to:
acquiring the real-time IP address and port number of the server;
signing the domain name, the IP address, the port number, the downloading address of the client program and the hash value of the client program corresponding to the server by adopting a private key to obtain signed domain name registration information;
and broadcasting the signed domain name registration information to a domain name block chain through the communication interface.
11. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the method according to any one of claims 1-5.
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| CN111614725A (en) * | 2020-04-24 | 2020-09-01 | 深圳壹账通智能科技有限公司 | Service management method, device and equipment based on block chain development |
| CN117692128B (en) * | 2024-02-02 | 2024-04-16 | 波维希数字科技有限公司 | Three-stage chain sealing system |
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| CN106453271B (en) * | 2016-09-21 | 2019-05-03 | 江苏通付盾科技有限公司 | Identity registration method and system, identity identifying method and system |
| WO2019018776A1 (en) * | 2017-07-21 | 2019-01-24 | Patientory, Inc. | Blockchain network for secure exchange of healthcare information |
| CN108768979B (en) * | 2018-05-17 | 2021-04-16 | 网宿科技股份有限公司 | Method for accessing intranet, device and system for accessing intranet |
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