CN112272245B - Lightweight domain name system data generation system and method - Google Patents
Lightweight domain name system data generation system and method Download PDFInfo
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- CN112272245B CN112272245B CN202011144037.3A CN202011144037A CN112272245B CN 112272245 B CN112272245 B CN 112272245B CN 202011144037 A CN202011144037 A CN 202011144037A CN 112272245 B CN112272245 B CN 112272245B
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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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Abstract
The invention discloses a lightweight domain name system data generation system, which comprises a collector, a processor and a generator, wherein the collector is connected with the processor; the system comprises a collector, a processor and a domain name information acquisition module, wherein the collector collects name server information from the Internet, collects initial domain name information from open data set of the Internet through the domain name information acquisition module, and transmits the name server information and the initial domain name information to the processor; the processor is used for cleaning the abnormal information analyzed from the name server information and the initial domain name information, and carrying out personalized processing on the cleaned name server information according to personalized setting to obtain corresponding multivariate data; and the generator is used for generating the specified area file according to the name server information and the initial domain name information which are cleaned by the processor and a pre-configured file template. The method and the system can flexibly and efficiently generate the zone file, the client program and the personalized information for constructing the domain name system, so as to quickly construct the simulation environment of the domain name system in the network target range.
Description
Technical Field
The invention relates to the technical field of electronic information, in particular to a lightweight domain name system data generation system and a method.
Background
The existing internet adopts a domain name system of central recursive resolution, and a hierarchical resolution system consisting of an authoritative server, a recursive server, a domain name and the like provides a network service for resolving the domain name into an IP address. Although the domain name resolution system in the current centralized management mode can stably operate for a long time, abnormal domain name resolution events due to various network attacks occur at times. The network target Range (CR) provides an isolated internal environment with other networks to implement various network simulation experiments, and can be used for simulating complex network scenes in the real world and testing the safety of various network safety related products, such as penetration test, vulnerability mining and network defense.
The domain name and name server data are particularly critical to a domain name resolution system in the simulation reality, but it is far from easy to realize reliable data collection. At present, different data acquisition modes are provided aiming at the problem of the Internet domain name resolution request, wherein the different data acquisition modes comprise active acquisition and passive acquisition. The active collection has the advantages of large collection range, more collection objects, more accurate data collection, higher data collection efficiency and more limited data collection quantity. The passive acquisition can collect the data of the observed point in detail and comprehensively, but the mode is highly coupled with the acquisition point, the acquired data is redundant, the acquisition efficiency is low, and the acquisition time is usually long. The prior art focuses on collecting a large amount of comprehensive domain name data information, is difficult to screen effective information from the information, focuses on flow analysis of domain name data, and is not suitable for constructing a lightweight and customized domain name system.
Disclosure of Invention
Aiming at the defects of excessive acquisition quantity, excessive consumption of computing resources, incapability of effectively deploying the acquired data on a network target range and the like of the conventional domain name data acquisition research, the invention constructs an active and efficient data generation method and provides light and customized data supports such as domain name/name servers and the like for improving the center and hierarchical structure of the conventional Internet domain name system.
The embodiment of the invention provides a lightweight domain name system data generation system, which comprises a collector, a processor and a generator; wherein the content of the first and second substances,
the collector collects name server information from the Internet through a server information collection module, collects initial domain name information from open data set of the Internet through a domain name information collection module, and transmits the name server information and the initial domain name information to the processor;
the processor is used for cleaning abnormal information analyzed from the name server information and the initial domain name information through a data cleaning module, and carrying out personalized processing on the cleaned name server information through a personalized information module according to personalized setting to obtain corresponding multivariate data;
and the generator is used for generating the name server information and the initial domain name information which are cleaned by the processor into a specified area file according to a pre-configured file template through an area file generation module.
As a preferred scheme, the generator further randomly generates the IP information of the client according to the demand information of the client through the client information generation module, and sends the demand information of the client to the personalized information processing module of the processor for personalized processing according to personalized settings, so as to obtain corresponding multivariate data.
As a preferred solution, the name server information includes: a top level domain name server, an authoritative domain name server, a recursive resolver, and a domain name resolution forwarder.
Preferably, the abnormality information includes: parsing more than a limited number of times, information is not present, parsing times out, and parsing produces unknown errors.
The embodiment of the invention provides a lightweight domain name system data generation method, which comprises the following steps:
collecting name server information and initial domain name information from the Internet;
cleaning abnormal information analyzed from the name server information and the initial domain name information, and performing personalized processing on the cleaned name server information according to personalized setting to obtain corresponding multivariate data;
and generating the designated area file according to the cleaned name server information and the initial domain name information according to a pre-configured file template.
Preferably, the method further comprises the following steps:
and randomly generating IP information of the client according to the demand information of the client, and carrying out personalized processing according to personalized setting to obtain corresponding multivariate data.
Preferably, the name server information includes: the system comprises a top level domain name server, an authoritative domain name server, a recursive resolver and a domain name resolution repeater.
Preferably, the abnormality information includes: resolving more than a limited number of times, information not present, resolution timeout, and resolution producing unknown errors.
An embodiment of the present invention provides a lightweight domain name system data generation terminal device, including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, where the processor executes the computer program to implement the lightweight domain name system data generation method according to any one of the above items.
An embodiment of the present invention provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program, where when the computer program runs, a device where the computer-readable storage medium is located is controlled to execute the lightweight domain name system data generation method according to any one of the above items.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
1. constructing a lightweight data collection system, wherein the result of data collection occupies less computing and storage resources, and high-performance equipment is not needed;
2. actively collecting and generating customized data according to the domain name resolution requirement and the structure of a domain name system to be constructed;
3. the zone file, the client program and the personalized information for constructing the domain name system can be flexibly and efficiently generated, so that the simulation environment of the domain name system can be quickly constructed in a network target range.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a lightweight domain name system data generation system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a lightweight domain name system data generation system according to another embodiment of the present invention;
fig. 3 is an interaction diagram of a lightweight domain name system data generation system according to an embodiment of the present invention;
fig. 4 is a schematic flowchart of a method for generating lightweight domain name system data according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a document template of a general authoritative name server zone in the lightweight domain name system data generating method according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be understood that the step numbers used herein are only for convenience of description and are not used as limitations on the order in which the steps are performed.
It is to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The terms "comprises" and "comprising" indicate the presence of the described features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The term "and/or" refers to and includes any and all possible combinations of one or more of the associated listed items.
To facilitate understanding of the embodiments of the present invention by those skilled in the art, technical terms related to the embodiments of the present invention are described below.
A Name Server (Name Server) resource record is used to mark DNS servers that are designated as regional authority servers. By listing the server in the NS resource record, the other server considers it to be the authoritative server for the region. This means that any server specified in the NS resource record is treated by other servers as authoritative sources and can acknowledge queries for names contained within the domain.
The Domain Name System (DNS) is a System for resolving machine names on the Internet. Just like visiting friends to know how others walk, when one host computer on the Internet needs to visit another host computer, the address must be known first, the IP address in TCP/IP is composed of four segments of numbers separated by ". Multidot.. Although nodes on the internet are uniquely identifiable by IP addresses and can be accessed via IP addresses, even a 32-bit binary IP address written in the form of 4 tens of digits from 0 to 255 is still too long and difficult to remember. Thus, a domain Name (Domian Name) has been invented that can associate an IP address to a meaningful set of characters. When a user accesses a website, the user can input the IP address of the website or the domain name of the website, and the two are equivalent to each other for access. For example: the IP address of the Web server from microsoft is 207.46.230.229, and its corresponding domain name is www.microsoft.com, so that the user can access his Web site regardless of whether he inputs 207.46.230.229 or www.microsoft.com in the browser.
Internet Assigned Number Authority (IANA), internet name and number assignment Authority (The Internet Corporation for Assigned Names and Numbers, ICANN), performs The function of IANA. ICANN is responsible for coordinating globally the operation of the internet unique identifier system and its security and stability, including the space allocation of Internet Protocol (IP) addresses, the assignment of protocol identifiers, the management of generic top-level domain names (gTLD) and national and regional top-level domain names (ccTLD) systems, and the management of root server systems.
The Internet Information Center (lnternac), known collectively as the Internet Network Information Center, is an organization under the international domain name and numbers authority (ICANN) that serves the Internet community by providing user assistance, files, whois, internet domain names and other services. An internet information center (lnternic) website is operated by the internet name and number assignment authority (ICANN) and is responsible for providing public information about internet domain name registration services. The internet website is maintained by ICANN and provides public information of internet domain name registration service.
Referring to fig. 1, an embodiment of the present invention provides a lightweight domain name system data generating system, including a collector 10, a processor 20, and a generator 30; wherein the content of the first and second substances,
the collector 10 collects name server information from the internet through a server information collection module 11, collects initial domain name information from open data sets of the internet through a domain name information collection module 12, and transmits the name server information and the initial domain name information to the processor 20;
the processor 20 is configured to clean the abnormal information analyzed from the name server information and the initial domain name information through the data cleaning module 21, and perform personalized processing on the cleaned name server information according to personalized settings through the personalized information module to obtain corresponding multivariate data;
the generator 30 generates the specified zone file according to the pre-configured file template by using the zone file generating module 31 to generate the name server information and the initial domain name information after being cleaned by the processor 20.
Referring to fig. 2, in an embodiment, a lightweight dns data generating system includes a collector 10, a processor 20, and a generator 30. The collector 10 comprises a server information collection module 11 and a domain name information collection module 12; the server information acquisition module 11 is configured to acquire initial domain name information from the open data set, and query and input a corresponding IP address through a domain name resolution request; the domain name information acquisition module 12 is configured to generate a data file including a domain name and an IP record. The processor 20 comprises a data cleaning module 21 and a personalized information processing module 22; the data cleaning module 21 is configured to filter the useless data in the data file to obtain a useful data set; wherein the useless data comprises data which is analyzed for more than a limited number of times, data without information, data which is analyzed for overtime and data which is analyzed to generate unknown errors; and the personalized information processing module 22 is used for enriching the useful data set to obtain server multivariate data. The generator 30 includes a zone file generating module 31 and a client information generating module 32; the region file generating module 31 is configured to generate a region file according to the useful data set; the client information generating module 32 is configured to randomly generate IP information of the client according to the amount of demand of the client, and obtain a client information file. The personalized information processing module 22 is further configured to enrich the client information file to obtain client multivariate data.
Preferably, the generator 30 further randomly generates the IP information of the client according to the requirement information of the client through the client information generating module 32, and sends the requirement information of the client to the personalized information processing module 22 of the processor 20 for personalized processing according to personalized settings, so as to obtain corresponding multivariate data.
Preferably, the name server information includes: the system comprises a top level domain name server, an authoritative domain name server, a recursive resolver and a domain name resolution repeater.
Preferably, the abnormality information includes: resolving more than a limited number of times, information not present, resolution timeout, and resolution producing unknown errors.
Referring to fig. 3, in one embodiment, a lightweight domain name system data generation system includes a collector 10, a processor 20, and a generator 30. Wherein the content of the first and second substances,
(1) Collector 10 is used to collect raw data information:
the function of collector 10 is to obtain the domain name list and IP addresses of the real world domain name system servers, including the name servers and recursive servers collected by domain name resolution. The module includes a server information acquisition module 11 and a domain name information acquisition module 12. Scheme E1 represents: from the internet, name server information can be divided into four types: top level domain name server, authoritative domain name server, recursion resolver, domain name resolution repeater. Scheme E2 represents: and acquiring data of initial domain name information from an open data set of the Internet. The initial domain name information data is then input to the "domain name information collection module 12" which queries for the corresponding IP address via a domain name resolution request. Finally, a file consisting of a series of domain names and IP records is generated.
(2) The processor 20 is used for cleaning and enriching data information:
the processor 20 is used for deeply processing data information, and the processor 20 comprises a data cleaning module 21 and a personalized information processing module 22. The name server and domain name information output by the collector contain useless data of resolution errors (procedures E3 and E4), wherein the resolution error types comprise four types: when the analysis exceeds the limited number of times, the information does not exist, the analysis is overtime and unknown errors, the useless data are filtered by the data cleaning module 21, the cleaned data sets are transmitted to the generator 30 (processes E5 and E6), meanwhile, the filtered name server data (process E8) can be enriched by the personalized information module, and the multivariate data (process EA) generated by the personalized information processing module 22 after enrichment can be used in some customized scenes.
(3) The generator 30 is configured to generate the zone file and the client information:
the generator 30 is configured to generate a zone file required by the server and a client information file required by the client deployment, and includes a zone file generating module 31 and a client information generating module 32. The processor 20 inputs the filtered correct domain name and name server information into the generator 30 (processes E5 and E6), and the "region file generating module 31" generates a specified region file according to the configured file template (process E7); the "client information generation module 32" randomly generates the IP information of the client according to the amount of demand of the client. As with the name server data, the client information can also be enriched by a "personalization information module" (procedure E9).
Referring to fig. 4, an embodiment of the present invention provides a method for generating lightweight domain name system data, including:
the embodiment of the invention provides a lightweight domain name system data generation method, which comprises the following steps:
step S100, collecting name server information and initial domain name information from the Internet;
step S200, cleaning the abnormal information analyzed from the name server information and the initial domain name information, and carrying out personalized processing on the cleaned name server information according to personalized setting to obtain corresponding multivariate data;
and step S300, generating the designated area file according to the cleaned name server information and the initial domain name information according to a pre-configured file template.
Preferably, the method further comprises the following steps:
and S400, randomly generating IP information of the client according to the requirement information of the client, and performing personalized processing according to personalized setting to obtain corresponding multivariate data.
An embodiment of the present invention provides a lightweight domain name system data generation terminal device, including a processor 20, a memory, and a computer program stored in the memory and configured to be executed by the processor 20, where when the processor 20 executes the computer program, the lightweight domain name system data generation method described in any one of the above items is implemented.
An embodiment of the present invention provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program, where when the computer program runs, a device where the computer-readable storage medium is located is controlled to execute the lightweight domain name system data generation method according to any one of the above items.
The lightweight domain name system data generation system provided by the embodiment of the present invention will be described and explained in detail through several specific embodiments.
As a first preferred embodiment, please refer to fig. 3, a domain name and name server data processing process of a lightweight domain name system data generation system is as follows, wherein the domain name data is, for example, baidu.com, ghjklghjkl.com: firstly, acquiring domain name data information from an authoritative domain name website Alexa on the Internet: baidu.com, ghjkl.com (scheme E2). Then, the "domain name information collection module 12" sends the information to the designated recursive server, such as: 114.114.114.114, requesting to analyze real IP information of baidu.com and ghjklghjkl.com, and obtaining the analysis results of baidu.com and ghjklghjkl.com from the recursive server response packet as follows: 39.156.69.79 and Type Not Found (information is Not present), and the results "baidu. Com 39.156.69.79" and "ghjkl. Com Type Not Found" are output (flow E4). Finally, the "data cleansing module 21" processes the two pieces of data, filters out domain name data ghjklghjkl.com with an analysis error, and outputs the cleansed data "baidu.com 39.156.69.79" (procedure E6).
Based on fig. 3, a lightweight domain name system data generation system puts four types of name servers as follows: first, the "server information acquisition module 11" acquires two types of name server information from IANA and lnternic operated by an authoritative institution website ICANN on the internet: root name server, top level domain name server information, and collects recursive servers from the public DNS server list. Secondly, even if the complete information is provided by the authorities, the availability of such information needs to be further verified, such as: root-name server information 'a.root-servers.net.518400IN A192.58.128.30' exists, reachability of IP address '192.58.128.30' is verified through Ping instructions, and all reachability records are stored. Finally, according to the principle of domain name resolution request, the "server information acquisition module 11" acquires a common authoritative name server in charge of a certain domain name through a tracking resolution process, such as: acquiring data' baidu.com dns.baidu.com after tracking and analyzing
173.245.59.130 "indicates that the authoritative domain name server for this domain name is dns. And outputting the processed data to the region file generating module 31 and the personalized information processing module 22 (processes E5 and E8).
As a second preferred embodiment, based on fig. 3 and the first preferred embodiment, a zone file generating process of a lightweight domain name system data generating system is as follows, taking a zone file of a general authority name server as an example, please refer to fig. 5, where fig. 5 is a template for generating a zone file of a general authority name server, where "ns. @" is a name server placeholder, "ns _ IP" is an IP address of a general authority name server, and "@" is a domain placeholder, and "IP" is an IP address of a domain name. Com say, "ns. @" is replaced with dns. Baidu.com, "ns _ ip" is replaced with 173.245.59.130, "@" is replaced with baidu.com, "ip" is replaced with 39.156.69.79. According to the file requirements of different areas, different area file templates can be designed and configured (process E7).
As a third preferred embodiment, based on fig. 3 and the first preferred embodiment, a multivariate data generation process of a lightweight dns data generation system takes a common authoritative name server and a client as an example: first, the IP of the generic authoritative name server is known (flow E8), and the client IP is randomly generated by the "client information generation module 32" with assurance that the IP does not conflict with the domain name, name server (flow E9). Subsequently, the IP information of the two is input to the "personalized information processing module 22" to generate multivariate data (flow EA), and the personalized information is as follows: the geographic information public data set DBIP is used for adding longitude and latitude information and geographic position information to the IP, and the expression that the '202.112.0.3 Shanghai CN 31.2252985.4890497' indicates that 202.112.0.3 is located in Shanghai in China, the longitude is 31.2252985 and the latitude is 121.4890497.
It should be noted that the above-described embodiments of the apparatus are merely illustrative, where 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 multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A lightweight domain name system data generation system is characterized by comprising a collector, a processor and a generator; wherein the content of the first and second substances,
the collector collects name server information from the Internet through a server information collection module, collects initial domain name information from open data set of the Internet through a domain name information collection module, and transmits the name server information and the initial domain name information to the processor;
the processor is used for cleaning abnormal information analyzed from the name server information and the initial domain name information through a data cleaning module, and carrying out personalized processing on the cleaned name server information through a personalized information module according to personalized setting to obtain corresponding multivariate data;
and the generator generates the name server information and the initial domain name information which are cleaned by the processor into a specified area file according to a pre-configured file template through an area file generation module.
2. The lightweight domain name system data generation system according to claim 1, wherein the generator further randomly generates IP information of the client according to the requirement information of the client through the client information generation module, and sends the requirement information of the client to the personalized information processing module of the processor for personalized processing according to personalized settings, so as to obtain corresponding multivariate data.
3. The lightweight domain name system data generating system according to claim 1, wherein said name server information comprises: the system comprises a top level domain name server, an authoritative domain name server, a recursive resolver and a domain name resolution repeater.
4. The lightweight domain name system data generating system according to claim 1, wherein the anomaly information comprises: resolving more than a limited number of times, information not present, resolution timeout, and resolution producing unknown errors.
5. A lightweight domain name system data generation method is characterized by comprising the following steps:
collecting name server information and initial domain name information from the Internet;
cleaning abnormal information analyzed from the name server information and the initial domain name information, and performing personalized processing on the cleaned name server information according to personalized setting to obtain corresponding multivariate data;
and generating the designated area file according to the cleaned name server information and the initial domain name information according to a pre-configured file template.
6. The lightweight domain name system data generating method according to claim 5, further comprising:
and randomly generating IP information of the client according to the demand information of the client, and carrying out personalized processing according to personalized setting to obtain corresponding multivariate data.
7. The lightweight domain name system data generating method according to claim 5, wherein said name server information comprises: the system comprises a top level domain name server, an authoritative domain name server, a recursive resolver and a domain name resolution repeater.
8. The lightweight domain name system data generating method according to claim 5, wherein the anomaly information includes: resolving more than a limited number of times, information not present, resolution timeout, and resolution producing unknown errors.
9. A lightweight domain name system data generation terminal device comprising a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the lightweight domain name system data generation method according to any one of claims 5 to 8 when executing the computer program.
10. A computer-readable storage medium, comprising a stored computer program, wherein the computer program, when executed, controls an apparatus in which the computer-readable storage medium is located to perform the lightweight domain name system data generation method according to any one of claims 5 to 8.
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