CN108156262A - A kind of method and device for the validity for checking DNS configuration files - Google Patents
A kind of method and device for the validity for checking DNS configuration files Download PDFInfo
- Publication number
- CN108156262A CN108156262A CN201810149794.6A CN201810149794A CN108156262A CN 108156262 A CN108156262 A CN 108156262A CN 201810149794 A CN201810149794 A CN 201810149794A CN 108156262 A CN108156262 A CN 108156262A
- Authority
- CN
- China
- Prior art keywords
- dns
- data
- tables
- address
- target
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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]
-
- 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
- H04L67/2866—Architectures; Arrangements
- H04L67/30—Profiles
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the present invention provides a kind of method and device for the validity for checking DNS configuration files, is related to field of communication technology, can significantly improve the efficiency for the validity for checking DNS configuration files.This method includes：According to DNS local profiles, the first tables of data and the second tables of data are determined；And obtain the target ip address of the target DNS parameters in network and the network equipment corresponding with target DNS parameters；And according to the corresponding target FQDN of target DNS parameters, based on the first tables of data and the second tables of data, inquire the local ip address of the network equipment；If the local ip address of the network equipment is identical with the target ip address of the network equipment, it is determined that DNS local profiles are effective；If the local ip address of the network equipment is different from the target ip address of the network equipment, it is determined that DNS local profiles are invalid.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of sides for the validity for checking DNS configuration files
Method and device.
Background technology
It in wireless communication field, either accesses in network or core network, user equipment access network, and runs industry
During business, domain name mapping need to be carried out in domain name system (domain name system, DNS), i.e., is looked into according to DNS data
Ask the IP address of network element.
Mapping relations of the DNS data between domain name and the IP address of network element, can be more by the configuration of DNS data
Convenient to access internet (passing through the IP address of inquiry of the domain name network element), configuration file when usual network element dispatches from the factory includes DNS
Data.During domain name mapping is carried out, whether accurate, the trouble-free operation to the business of user equipment of DNS data configuration
There is very important influence, at present during the validity for examining DNS data configuration, carried out by manually comparing
It checks, specifically, according to target FQDN directly in DNS local profiles, inquires the corresponding networks of target FQDN and set
Then standby local ip address compares the target ip address of the network equipment and the local ip address of the network equipment, determine DNS locals
Whether configuration file is effective.Or determine that mistake occurs in DNS data configuration by the service fail phenomenon found in network.
However above by the accuracy efficiency of hand inspection DNS data than relatively low, and careless omission is also be easy to cause, passed through
Service fail or not determine whether DNS data is correct, may influence the Quality of experience of user.
Invention content
The application provides a kind of method and device for the validity for checking DNS configuration files, can significantly improve and check DNS
The efficiency of the validity of configuration file.
In order to achieve the above objectives, the application adopts the following technical scheme that：
In a first aspect, providing a kind of method for the validity for checking DNS configuration files, this method can include：According to
DNS local profiles determine the first tables of data and the second tables of data, which is included between FQDN and content indexing
Correspondence, second tables of data include content indexing, subdomain name mark, inquiry replacement values between correspondence, FQDN
For the FQDN generated according to DNS parameters；And obtain the target DNS parameters in network and network corresponding with target DNS parameters
The target ip address of equipment；And according to the corresponding target FQDN of target DNS parameters, based on the first tables of data and the second data
Table inquires the local ip address of the network equipment；If the local ip address of the network equipment is identical with the target ip address of the network equipment,
Then determine that DNS local profiles are effective；If the local ip address of the network equipment is different from the target ip address of the network equipment,
Determine that DNS local profiles are invalid.
Second aspect, provides a kind of device for the validity for checking DNS configuration files, which can include determining that mould
Block, acquisition module and enquiry module.Wherein it is determined that module, for according to DNS local profiles, determine the first tables of data and
Second tables of data, first tables of data include the correspondence between FQDN and content indexing, which includes content
Correspondence between index, subdomain name mark, inquiry replacement values, which is the FQDN generated according to DNS parameters；Obtain mould
Block, for obtaining the targeted internet protocol IP of target DNS parameters and the network equipment corresponding with target DNS parameters in network
Address；Enquiry module is additionally operable to according to the corresponding target FQDN of target DNS parameters, based on the first tables of data and the second tables of data,
Inquire the local ip address of the network equipment；The determining module is additionally operable to local ip address and the network equipment in the network equipment
Target ip address it is identical in the case of, determine that DNS local profiles are effective, in the local ip address and network of the network equipment
In the case of the target ip address difference of equipment, determine that DNS local profiles are invalid.
The third aspect provides a kind of server, which includes processor, transceiver and memory.Wherein, memory
For storing computer executed instructions, when the server is run, the computer that processor performs memory storage performs
Instruction, so that the method that the server performs the validity of the inspection DNS configuration files of first aspect.
Fourth aspect, provides a kind of computer readable storage medium, in computer readable storage medium storage there are one or
Multiple programs, one or more programs include computer executed instructions, refer to when the processor of server performs computer execution
When enabling, the method for the validity of the inspection DNS configuration files described in the above-mentioned first aspect of server execution.
5th aspect, provides a kind of computer program product including computer instruction, when the computer program product exists
During the upper operation of server so that the validity of the inspection DNS configuration files described in the above-mentioned first aspect of execution of the server
Method.
The method of inspection DNS configuration file validity that the application provides, since server can be locally configured according to DNS
File, determines the first tables of data and the second tables of data, and target DNS parameters in network is obtained and joins with target DNS
After the target ip address of the corresponding network equipment of number, server can be according to the corresponding target FQDN of target DNS parameters, base
In the first tables of data and the second tables of data, the local ip address of the network equipment is inquired, if the local ip address and net of the network equipment
The target ip address of network equipment is identical, it is determined that DNS local profiles are effective, if the local ip address and network of the network equipment
The target ip address of equipment is different, it is determined that DNS local profiles are invalid, compared with prior art, without hand inspection DNS
Configuration file validity can significantly improve the efficiency for the validity for checking DNS configuration files.
Description of the drawings
Fig. 1 is a kind of hardware schematic of server provided in an embodiment of the present invention；
Fig. 2 is the method schematic diagram one of the validity provided in an embodiment of the present invention for checking DNS configuration files；
Fig. 3 is the method schematic diagram two of the validity provided in an embodiment of the present invention for checking DNS configuration files；
Fig. 4 is the method schematic diagram three of the validity provided in an embodiment of the present invention for checking DNS configuration files；
Fig. 5 is a kind of structure diagram one of server provided in an embodiment of the present invention；
Fig. 6 is a kind of structure diagram two of server provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings to it is provided in an embodiment of the present invention check DNS configuration files validity method and device into
Row detailed description.
Term " first " and " second " in the specification and claims of the embodiment of the present invention etc. are for distinguishing not
Same object rather than the particular order for description object.For example, the first tables of data and the second tables of data etc. are for distinguishing
Different tables of data rather than the particular order for describing tables of data.
In embodiments of the present invention, " illustrative " or " such as " etc. words for represent make example, illustration or explanation.This
Be described as in inventive embodiments " illustrative " or " such as " any embodiment or designing scheme be not necessarily to be construed as comparing
Other embodiments or designing scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words purport
Related notion is being presented in specific ways.
In the description of the embodiment of the present invention, unless otherwise indicated, the meaning of " multiple " refers to two or more.Example
Such as, multiple processing units refer to two or more processing units；Multiple systems refer to two or more systems.
In addition, the term " comprising " and " having " being previously mentioned in description of the invention and their any deformation, it is intended that
It is to cover non-exclusive include.Such as process, method, system, product or the equipment for containing series of steps or unit do not have
The step of having listed or unit are defined in, but optionally further includes the step of other are not listed or unit or optionally
It further includes for the intrinsic other steps of these processes, method, product or equipment or unit.
Based on background technology there are the problem of, the embodiment of the present invention provides a kind of validity for checking DNS configuration files
Method and device can determine the first tables of data and the second tables of data according to DNS local profiles, then obtain target DNS
The target ip address of the corresponding target FQDN of parameter and the network equipment, and according to target FQDN, based on the first tables of data and
Two tables of data inquire the local ip address of the network equipment, the local ip address that then sets by comparing network and the network equipment
Target ip address determines whether DNS local profiles are effective, compared to checking DNS configuration file validity in background technology
Method, it is provided in an embodiment of the present invention check DNS configuration files validity method can significantly improve check DNS configuration
The efficiency of the validity of file.
The method of the validity provided in an embodiment of the present invention for checking DNS configuration files can be applied to check DNS configurations
In the device of the validity of file, which can be computer or server etc..The embodiment of the present invention with check DNS be configured
The device of the validity of file is for server, introduces each building block of server, as shown in Figure 1, the present invention is implemented
The server that example provides includes processor 10, memory 11 and communication interface 12 etc..
Processor 10：It is the core component of server, for the application in the operating system and server of runtime server
Program (including system application and third party application).
In the embodiment of the present invention, processor 10 be specifically as follows central processing unit (central processing unit,
CPU), general processor, digital signal processor (digital signal processor, DSP), application-specific integrated circuit
(application-specific integrated circuit, ASIC), field programmable gate array (field
Programmable gate array, FPGA) or other programmable logic device, transistor logic, hardware component or
Person its it is arbitrary combine, can realize or perform and various illustratively patrol with reference to content disclosed by the embodiments of the present invention is described
Collect box, module and circuit；Processor can also be the combination for realizing computing function, such as include one or more microprocessors
Combination, combination of DSP and microprocessor etc..
Memory 11：Available for storage software program and module, processor 10 is stored in by operation in memory 11
Software program and module, so as to execute server various function application and data processing.Memory 11 may include one
A or multiple computer readable storage mediums.Memory 11 includes storing program area and storage data field, wherein, storing program area
Can storage program area, application program needed at least one function etc., storage data field can the data that create of storage server
Deng.
In the embodiment of the present invention, memory 11 can specifically include volatile memory (volatile memory), such as
Random access memory (random-access memory, RAM)；The memory can also include nonvolatile memory
(non-volatile memory), such as read-only memory (read-only memory, ROM), flash memory (flash
Memory), hard disk (hard disk drive, HDD) or solid state disk (solid-state drive, SSD)；The memory is also
It can include the combination of the memory of mentioned kind.
Communication interface 12：For the interface circuit that server communicates with other equipment, communication interface can be transmitting-receiving
Device, transmission circuit etc. have the structure of transmission-receiving function, and communication interface includes serial communication interface and parallel communication interface.
In the embodiment of the present invention, it is configured with DNS configuration files in a communications system, on dns server, is needing to carry out
During DNS query, the IP of the network equipment corresponding to the corresponding domain name of a certain DNS parameters according to DNS configuration files, can be inquired
Location when usual DNS configuration files are network equipment manufactures, is configured, the pre-configured DNS in a device in advance by producer
Whether configuration file meets practical use demand, needs to carry out the inspection of the validity of DNS configuration files, in this way, in DNS matching
It puts when there is mispairing, leakage, producer can be reported in time, to correct DNS configuration files, will be pre-configured with below
DNS configuration files be known as DNS local profiles.
As shown in Fig. 2, the method for the validity provided in an embodiment of the present invention for checking DNS configuration files can include
S101-S107：
S101, server determine the first tables of data and the second tables of data according to DNS local profiles.
Wherein, the first tables of data include fully qualified domain name (fully qualified domain name, FQDN) with it is interior
Hold the correspondence between indexing, the second tables of data includes the corresponding pass between content indexing, subdomain name mark, inquiry replacement values
System, FQDN is the FQDN generated according to DNS parameters, i.e., FQDN corresponding with DNS parameters.
Optionally, in the embodiment of the present invention, above-mentioned second tables of data can also include content indexing subdomain name mark, inquiry
Record type, inquiry record sequence, inquiry record priority, subordinate's inquiry record type, service type and inquiry replacement values
Between correspondence.
S102, server obtain the mesh of the target DNS parameters and the network equipment corresponding with target DNS parameters in network
Mark IP address.
In the embodiment of the present invention, DNS parameters are the network of relation parameter in DNS service region, and hereinafter referred to as target DNS joins
Number, DNS parameters can include at least one of parameters described below：Access point name (access point name, APN), user
Number section MSISDN (i.e. mobile subscriber's International ISDN (mobile subscriber international ISDN number,
MSISDN)), tracking area identification (tracking area identity, TAI), the unique temporary user device mark in the whole world
(globally unique temporary user equipment identity, GUTI), Location Area Code (location
Area code, LAC), Route Area code (routing area code, RAC) and radio network controller (radio
Network controller, RNC) ID (identity) etc..
The network equipment can include following at least one：Packet gateway (PGW), gateway (service gateway,
SGW), mobile management entity (mobility management entity, MME), Serving GPRS Support Node (service
GPRS support node, SGSN), Gateway GPRS Support Node (gateway GPRS support node, GGSN).
The target ip address of above-mentioned target DNS parameters and the network equipment is DNS parameters and the network equipment in real network
IP address.
It should be noted that in the embodiment of the present invention, the corresponding nets of target DNS (i.e. the corresponding FQDN of target DNS parameters)
The IP address of network equipment can be including multiple, i.e., a FQDN can correspond to multiple IP address.
In the embodiment of the present invention, in different scenes, different DNS parameters and the IP address of the different network equipments it
Between there is correspondence, you can with according to the different corresponding FQDN of DNS parameters, it may be determined that the IP of the different network equipments
Location.Illustratively, if the following table 1 is the DNS parameters and the example of the correspondence of the IP address of the network equipment under 6 scenes.
Table 1
With reference to above-mentioned table 1, the query process of the IP address of the network equipment in each scene is briefly introduced.
Scene one：Adhere to scene
During user equipment (user equipment, UE) accesses network, when UE carries out network attachment, MME can
By the IP address of APN (be specially DNS local profiles in dns server) inquiry PGW in the dns server, to lead to
Cross the IP address that TAI inquires SGW in the dns server.
Scene two：More PDN connections
When UE, which initiates multi-packet data network (packet data network, PDN), to be connected, MME can pass through APN
The IP address of PGW is inquired in the dns server.
Scene three：TAU across MME, the TAU across SGW in 4G systems
In a 4 g system, when the tracking area of UE changes, need to carry out tracing section updating (track area update,
TAU), across the TAU of MME, during SGW, MME and SGW may change, and be specifically divided into four kinds of situations：
(1) MME changes, and SGW changes
In the case where MME and SGW change, target MME passes through GUTI query source MME in the dns server
IP address, target MME inquire the IP address of target SGW by TAI in the dns server.
(2) MME changes, and SGW is constant
MME change SGW it is constant in the case of, target MME passes through the GUTI IP of query source MME in the dns server
Location, since SGW is constant, without searching the IP address of SGW again.
(3) MME is constant, and SGW changes
In the case where the constant SGW of MME change, MME inquires the IP address of target SGW by TAI in the dns server,
Since MME is constant, without searching the IP address of MME again.
(4) MME is constant, and SGW is constant
In the case where MME and SGW are constant, without inquiring the IP address of MME and SGW.
Scene three：RAU, TAU between system
In the embodiment of the present invention, the network of UE becomes 3G network from 4G networks, needs to carry out Routing Area Update (route
Area update, RAU).The network of UE becomes 4G networks from 3G network, needs to carry out TAU.
(1) RAU of 4G to 3G
In the scene of the RAU of 4G to 3G, SGSN is by LAC and RAC, the IP of query source MME in the dns server
Location.
(2) TAU of 3G to 4G
In the scene of the TAU of 3G to 4G, IP address that MME passes through GUTI query source SGSN in the dns server.
Scene five：Across the switching (i.e. handover) of MME and the switching of SGW in 4G systems
Switch and refer to being moved to another base station overlay area from a base station overlay area in communication process when mobile station,
Or when causing the speech quality to decline due to external interference, it is necessary to change original voice channel and be transferred to a new sky
Not busy voice channel gets on, and to continue to keep the process of call, during switching, the MME and SGW of 4G systems may become
Change, be specifically divided into four kinds of situations：
(1) MME changes, and SGW changes
In the case where MME and SGW change, source MME inquires the IP of target MME by TAI in the dns server
Address, target MME inquire the IP address of target SGW by TAI in the dns server.
(2) MME changes, and SGW is constant
In the case where MME changes SGW is constant, source MME with inquiring the IP of target MME by TAI in the dns server
Location, since SGW is constant, without searching the IP address of SGW again.
(3) MME is constant, and SGW changes
In the case where the constant SGW of MME change, MME inquires the IP address of target SGW by TAI in the dns server,
Since MME is constant, without searching the IP address of MME again.
(4) MME is constant, and SGW is constant
In the case where MME and SGW are constant, without inquiring the IP address of MME and SGW.
Scene six：Switching between system
Switching between system refers to that in this case, MME can pass through RNC ID by 4G network switchings to 3G network
The IP address of SGSN is inquired in the dns server.
S103, server are according to domain name create-rule, the corresponding target FQDN of generation target DNS parameters.
In the embodiment of the present invention, the corresponding FQDN of DNS parameters can be first generated according to DNS parameters, then can be taken in DNS
The IP address of the corresponding network equipments of the FQDN is inquired in business device, so as to fulfill the IP according to the DNS parameter query network equipments
Location.
It should be noted that different DNS parameters can generate the DNS parameters pair according to different domain name create-rules
The FQDN answered.Illustratively, the method according to the different corresponding FQDN of DNS parameters generation DNS parameters is described below.
1st, the corresponding FQDN of APN
In the embodiment of the present invention, can FQDN be constructed according to the extended mode of MSISDN.It (can be with for example, by using MSISDN
Be interpreted as the phone number of user) 3-9 positions be extended.
Illustratively, can be according to the APN FQDN generated：
3gnet.1860351.apn.epc.mnc001.mcc460.3gppnetwork.org
Wherein, the 1860351 3-9 positions for MSISDN.
It optionally, can also be according to the corresponding FQDN of information APN of different industries in the embodiment of the present invention.It for example, will
A parts of [urban sign] [customer ID] [service identification] [province mark] as FQDN.
Illustratively, according to the above method, the FQDN of Jinan, Shandong Province industry and commerce mobile law enforcement business is generated：
JNGSJ.GOV.YDZF.SDAPN.apn.epc.mnc001.mcc460.3gppnetwork.org
Wherein, JNGSJ.GOV.YDZF.SDAPN. [is saved for [urban sign] [customer ID] [service identification]
Part mark].
2nd, the corresponding FQDN of TAI
The corresponding FQDN of TAI are built by TAC, and the corresponding FQDN of the TAI are by 16 bit arrays into being denoted as 16
Into X1X2X3X4 is made as, wherein X1X2 can voluntarily be distributed by general headquarters of service provider Uniform provisions, X3X4 by each province.
Illustratively, the corresponding domain names of TAI can be：
tac-1b00.tac-hb53.tac.epc.mnc001.mcc460.3gppnetwork.org
Wherein, tac-1b00 X3X4, tac-hb53 X1X2.
3rd, the corresponding FQDN of RAC and LAC
That is the corresponding FQDN of RAI, the form of the FQDN are：
rac<YYYY>.1ac<X1X2X3X4>.rac.epc.mnc001.mcc460.3gppnetwor k.org
Wherein, tetra- hexadecimal numbers of Y, Y are voluntarily distributed by each province, and X1X2 is by general headquarters of service provider Uniform provisions, X3X4
It can voluntarily be distributed by each province.
4th, the corresponding FQDN of RNC ID
The form of the corresponding FQDN of RNC ID is：
RNC<X1X2X3X4>.mnc001.mcc460.gprs
Wherein, X1X2 can voluntarily be distributed by general headquarters of service provider Uniform provisions, X3X4 by each province.
S104, server are according to the corresponding target FQDN of target DNS parameters, based on the first tables of data and the second tables of data,
Inquire the local ip address of the network equipment.
In the embodiment of the present invention, after server gets target DNS parameters, server generates target DNS parameters pair
The target FQDN answered, then by inquiring the corresponding network equipments of target FQDN in the first tables of data and the second tables of data
Local ip address, using the local ip address inquired as the target ip address of the network equipment.
S105, server determine the network equipment local ip address and the network equipment target ip address it is whether identical.
In the embodiment of the present invention, the IP address of the target ip address of the network equipment for the network equipment in real network, net
The local ip address of network equipment is the IP address of the network equipment being configured in DNS local profiles, by comparing the network equipment
Local ip address and the target ip address of the network equipment whether identical determine whether DNS local profiles effective.Specifically
Including following two kinds of situations：
If the local ip address of S106, the network equipment is identical with the target ip address of the network equipment, it is determined that DNS locally matches
It is effective to put file.
In the embodiment of the present invention, the local ip address of the network equipment is identical with the target ip address of the network equipment including network
All local ip address of equipment are identical with all target ip address of the network equipment, illustrate to be configured in DNS local profiles
DNS data be reasonable, can adapt to real network.
If the local ip address of S107, the network equipment is different from the target ip address of the network equipment, it is determined that DNS locally matches
Put that file is invalid.
In the embodiment of the present invention, the local ip address of the network equipment is different from the target ip address of the network equipment, illustrates DNS
The DNS data mistake being configured in local profile, can not adapt to real network, need to remodify DNS local profiles.
It should be noted that in the embodiment of the present invention, if above-mentioned server according to target FQDN, in the first tables of data and
In two tables of data, the local ip address of the corresponding network equipments of target FQDN is not inquired, illustrates DNS local profiles
It is middle the situation of leakage occur, it needs to supplement the target ip address of target FQDN and the network equipment in DNS local profiles
Between the relevant informations such as correspondence.
Optionally, with reference to Fig. 2, as shown in figure 3, above-mentioned S101 can specifically be realized by S101a-S101b：
S101a, server extract at least one DNS parameters from the first configuration file of DNS local profiles and correspond to
FQDN and at least one content indexing, form the first tables of data.
In the embodiment of the present invention, DNS local profiles include the first configuration file and the second configuration file, this first is matched
File is put as name.cof files, which includes the corresponding FQDN of at least one DNS parameters and at least one
The information (such as domain and file in name) of content indexing, server can extract at least one from configuration file
The corresponding FQDN of DNS parameters and at least one content indexing form the first tables of data.
Illustratively, such as the example that the following table 2 is the first tables of data content, the contents of domain entries is FQDN, file items
Purpose content is content indexing.
Table 2
| domain | FQDN |
| file | Content indexing |
S101b, server extracted from the second configuration file of DNS local profiles at least one content indexing, to
A few sub- domain name identification, at least one inquiry replacement values, form the second tables of data.
In the embodiment of the present invention, DNS local profiles include the second configuration file, which is
Name.data files, the name.data include at least one content indexing, at least one subdomain name mark, at least one look into
Replacement values are ask, form the second tables of data.The name.data files can also include content indexing subdomain name mark, inquiry record
Between type, inquiry record sequence, inquiry record priority, subordinate's inquiry record type, service type and inquiry replacement values
Correspondence.
Illustratively, such as the example that the following table 3 is the second tables of data content, the contents of domain entries is FQDN, file items
Purpose content is content indexing,
Table 3
| file | Content indexing |
| name | Subdomain name identifies |
| naptr | Inquire record type |
| order | Inquire record sequence |
| pref | Inquiry record priority |
| flag | Record type is inquired by subordinate |
| service | Service type |
| replacement | Inquire replacement values |
Optionally, with reference to Fig. 3, as shown in figure 4, above-mentioned S104 can specifically be realized by S104a-S104d：
S104a, server inquire the corresponding content indexings of target FQDN in the first tables of data.
In the embodiment of the present invention, the corresponding indexes of FQDN are inquired in the first tables of data and are included：First with the complete of the FQDN
Domain name inquires corresponding content indexing in the first tables of data, if according to the full inquiry of the domain name of FQDN less than content indexing,
Then remove the first segment of the FQDN universe names, obtain intermediate FQDN, be then further continued for searching among this in the first tables of data
The corresponding content indexings of FQDN, according to such rule, until finding content indexing position in the first tables of data.
The inquiry that S104b, server inquire corresponding to the corresponding content indexings of target FQDN in the second tables of data is replaced
Value.
If S104c, the form of inquiry replacement values are IP address format, the inquiry replacement values of IP address format are determined as
The local ip address of the network equipment.
If S104d, the form of inquiry replacement values are FQDN forms, replacement values will be inquired as intermediate FQDN, according to centre
FQDN is alternately inquired in the first tables of data and the second tables of data, until the inquiry replacement values inquired in the second tables of data
Form for IP address format, the inquiry replacement values of IP address format are determined as the local ip address of the network equipment.
In the embodiment of the present invention, by DNS parameters for APN, to introduce according to the corresponding target FQDN of target DNS parameters,
Based on the first tables of data and the second tables of data, the process of the local ip address of the network equipment is inquired.
Illustratively, the corresponding FQDN of ANP (being denoted as the first FQDN) are：
3gnet.1300540.apn.epc.mnc001.mcc460.3gppnetwork.org
Step 1：The corresponding content indexings of the first FQDN are inquired in the first tables of data.
Illustratively, it when the corresponding content indexings of the first FQDN are inquired in the first tables of data, does not inquire as a result, therefore
Remove the first segment of the first FQDN, i.e. " 3gnet. ", obtaining the 2nd FQDN is
Then 1300540.apn.epc.mnc001.mcc460.3gppnetwork.org continues to search for second in the first tables of data
The corresponding content indexings of FQDN, query result 1300540.epc.db are denoted as first content index.
Step 2：First content is inquired in the second tables of data and indexes corresponding inquiry replacement values.
The corresponding inquiry replacement values of first content index inquired in the second tables of data include a plurality of result.Such as following table
4 show the few examples of the corresponding inquiry replacement values of first content index inquired.
Table 4
With reference to table 4, it is seen that inquiry replacement values corresponding with 1300540.epc.db are including multiple, in this case, knot
Step 1 is closed, due in step 1, eliminating the first segment " 3gnet. " of the first FQDN, therefore selection subdomain is entitled in table 4
The corresponding inquiry replacement values of 3gnet are as the first inquiry replacement values.I.e.：
pgw-list-4.sz.gd.node.epc.mnc001.mcc460.3gppnetwork.org
It is not the form of IP address, therefore, it is necessary to the due to the form that form of the first inquiry replacement values is FQDN
Continue to inquire in one tables of data.
Step 3：The corresponding content indexing of the first inquiry of inquiry replacement values in the first tables of data.
In the embodiment of the present invention, using the first inquiry replacement values as the 3rd FQDN, third is inquired in the first tables of data
During the corresponding content indexings of FQDN, do not inquire as a result, therefore remove the first segment of the 3rd FQDN, i.e., " pgw-list-4. ", obtain
It is sz.gd.node.epc.mnc001.mcc460.3gppnetwork.org to the 4th FQDN, is then relayed in the first tables of data
Continuous to search the corresponding content indexings of the 4th FQDN, query result node.epc.db is denoted as the second content indexing.
Step 4：The corresponding inquiry replacement values of the second content indexing are inquired in the second tables of data.
The corresponding inquiry replacement values of the second content indexing inquired in the second tables of data include a plurality of result.Such as following table
5 show the few examples of the corresponding inquiry replacement values of the second content indexing inquired.
Table 5
| Second content indexing | Subdomain name | Inquire replacement values |
| node.epc.db | topon.s11.dggw0101 | 220.206.184.107 |
| node.epc.db | topon.s5s8.dggw0101 | 220.206.184.103 |
| node.epc.db | pgw-list-0 | topon.s5s8.gw0101 |
| node.epc.db | pgw-list-1 | topon.s5s8.gw0401 |
| node.epc.db | pgw-list-2 | topon.s5s8.gw0101 |
| node.epc.db | pgw-list-3 | topon.s5s8.gw0101 |
| node.epc.db | pgw-list-4 | topon.s5s8.dggw0202 |
| node.epc.db | pgw-1ist-9 | topon.s5s8.gwhy0101 |
| node.epc.db | pgw-list-ims | topon.s5s8.GZSYUGW0102 |
| node.epc.db | sgw-list-0 | topon.s11.gw0101 |
| node.epc.db | sgw-list-1 | topon.s11.gw0401 |
| node.epc.db | sgw-list-2 | topon.s11.gw0101 |
| node.epc.db | sgw-list-3 | topon.s11.gw0101 |
| node.epc.db | sgw-list-4 | topon.s11.gw0401 |
With reference to table 5, it is seen that inquiry replacement values corresponding with node.epc.db are including multiple, in this case, with reference to step
Rapid 3, due in step 3, eliminating the first segment " pgw-list-4. " of the 3rd FQDN, therefore selection subdomain is entitled in table 5
The corresponding inquiry replacement values of pgw-list-4 are as the second inquiry replacement values.
It should be noted that above-mentioned table 5 is only the few examples of step 4 query result, and in actual queries, above-mentioned and pgw-
Including multiple, the pgw-list-4 corresponding second as shown in table 6 below for inquiry is looked into the corresponding second inquiry replacement values of list-4
Ask the example of replacement values.
Table 6
| Second content indexing | Subdomain name | Second inquiry replacement values |
| node.epc.db | pgw-list-4 | topon.s5s8.gw0401 |
| node.epc.db | pgw-list-4 | topon.s5s8.gw0402 |
| node.epc.db | pgw-list-4 | topon.s5s8.gw0601 |
| node.epc.db | pgw-list-4 | topon.s5s8.gw0602 |
| node.epc.db | pgw-list-4 | topon.s5s8.dggw0201 |
| node.epc.db | pgw-list-4 | topon.s5s8.dggw0202 |
| node.epc.db | pgw-list-4 | topon.s5s8.gw0801 |
With reference to table 6, the second inquiry replacement values corresponding with subdomain name pgw-list-4 are including multiple, in this case,
Using the corresponding second inquiry replacement values of pgw-list-4 as new subdomain name, referred to as the first subdomain name, in the second tables of data
The item of subdomain name now, searches the corresponding inquiry replacement values of the first subdomain name, referred to as third inquiry replacement values.
Illustratively, it is as shown in table 7 below, it is each first subdomain name in above-mentioned table 6, is inquired in the second tables of data
Third inquires the example of replacement values.
Table 7
| Second content indexing | First subdomain name | Second inquiry replacement values |
| node.epc.db | topon.s5s8.gw0401 | 116.79.199.212 |
| node.epc.db | topon.s5s8.gw0402 | 116.79.199.218 |
| node.epc.db | topon.s5s8.gw0601 | 116.79.215.161 |
| node.epc.db | topon.s5s8.gw0602 | 116.79.215.166 |
| node.epc.db | topon.s5s8.dggw0201 | 220.206.184.83 |
| node.epc.db | topon.s5s8.dggw0202 | 116.79.216.83 |
| node.epc.db | topon.s5s8.gw0801 | 116.79.216.161 |
With reference to table 7, it is seen that in query result, the second inquiry replacement values are IP address format, therefore the IP address is made
Local ip address for the network equipment.So far, it is above-mentioned according to the corresponding FQDN of APN (i.e. the first FQDN), the first tables of data and
The IP address for the network equipment that two tables of data determine includes 7 IP address as shown in table 7.
The method provided in an embodiment of the present invention for checking DNS configuration file validity, since server can be according to DNS sheets
Ground configuration file, determines the first tables of data and the second tables of data, and target DNS parameters in network is obtained and with the target
After the target ip address of the corresponding network equipment of DNS parameters, server can be according to the corresponding target of target DNS parameters
FQDN based on the first tables of data and the second tables of data, inquires the local ip address of the network equipment, if the local IP of the network equipment
Location is identical with the target ip address of the network equipment, it is determined that DNS local profiles are effective, if the local ip address of the network equipment
It is different from the target ip address of the network equipment, it is determined that DNS local profiles are invalid, compared with prior art, without artificial
It checks DNS configuration file validity, the efficiency for the validity for checking DNS configuration files can be significantly improved.
In the case where dividing each function module using corresponding each function, Fig. 5 shows involved in above-described embodiment
And server a kind of possible structure diagram, as shown in figure 5, the server can include：Determining module 20 obtains mould
Block 21 and enquiry module 22.
Determining module 20, for according to DNS local profiles, determining the first tables of data and the second tables of data, this first
Tables of data includes the correspondence between FQDN and content indexing, which includes content indexing, subdomain name mark, looks into
The correspondence between replacement values is ask, which is the FQDN generated according to DNS parameters, such as above-mentioned determining module 20 can be used
The S101 in above method embodiment is performed in supporting server (including S101a-S101b)；Acquisition module 21, for obtaining net
The target ip address of target DNS parameters and the network equipment corresponding with target DNS parameters in network, such as acquisition module 21 can be with
For server to be supported to perform the S102 in above method embodiment；Enquiry module 22, for corresponding according to target DNS parameters
Target FQDN based on the first tables of data and the second tables of data, inquires the local ip address of the network equipment, such as enquiry module 22 can
For server is supported to perform the S104 in above method embodiment；Determining module 20 is additionally operable in the local of the network equipment
In the case that IP address is identical with the target ip address of the network equipment, determine that DNS local profiles are effective, in the network equipment
It in the case of the target ip address difference of local ip address and the network equipment, determines that DNS local profiles are invalid, such as determines
Module 20 can be used for server is supported to perform the S105-S107 in above method embodiment.Wherein, above method embodiment relates to
And each step all related contents can quote corresponding function module function description, details are not described herein.
Optionally, as shown in figure 5, the device provided in an embodiment of the present invention for checking DNS configuration file validity can be with
Including generation module 23, the generation module 23, for the target DNS parameters in obtaining network in acquisition module and with target DNS
After the target ip address of the corresponding network equipment of parameter, in determining module according to the corresponding target FQDN of target DNS parameters, base
It in the first tables of data and the second tables of data, inquires before the local ip address of the network equipment, according to domain name create-rule, generates mesh
The corresponding target FQDN of DNS parameters is marked, such as generation module 23 can be used for server is supported to perform in above method embodiment
S103.
Optionally, above-mentioned determining module 20, specifically in the first configuration file from DNS local profiles extraction to
Few corresponding FQDN of a DNS parameter and at least one content indexing form the first tables of data；And text is locally configured from DNS
At least one content indexing, at least one subdomain name mark, at least one inquiry replacement values are extracted in second configuration file of part,
The second tables of data is formed, such as determining module 20 can be used for server is supported to perform the S101a- in above method embodiment
S101b。
Optionally, above-mentioned enquiry module 22, specifically for inquiring the corresponding content ropes of target FQDN in the first tables of data
Draw；And the inquiry replacement values corresponding to the corresponding content indexings of target FQDN are inquired in the second tables of data, such as inquire mould
Block 22 can be used for server is supported to perform S104a and S104b in above method embodiment；Above-mentioned determining module 20, is also used
If being IP address format in the form of inquiry replacement values, the inquiry replacement values of IP address format are determined as the sheet of the network equipment
Ground IP address；If the form for inquiring replacement values is FQDN forms, using inquiry replacement values as intermediate FQDN, such as determining module 20
It can be used for server is supported to perform the S104c in above method embodiment；Above-mentioned enquiry module 22, is additionally operable to according to centre
FQDN is alternately inquired in the first tables of data and the second tables of data, until the inquiry replacement values inquired in the second tables of data
Form be IP address format；It is above-mentioned to determine the module 20, it is additionally operable to the inquiry replacement values of IP address format being determined as network
The local ip address of equipment.
In the case of using integrated unit, Fig. 6 shows that one kind of server involved in above-described embodiment can
The structure diagram of energy.As shown in fig. 6, server can include：Processing module 30 and communication module 31.Processing module 30 can be with
For carrying out control management to the action of server, for example, processing module 30 can be used for server is supported to perform the above method
S101-S107 in embodiment and/or other processes for techniques described herein.Communication module 31 can be used for propping up
Hold the communication of server and other network entities.Optionally, it as shown in fig. 6, the server can also include memory module 32, uses
In the program code and data of storage server.
Wherein, it (such as can be above-mentioned processor as shown in Figure 1 that processing module 30, which can be processor or controller,
10).Communication module 31 can be that transceiver, transmission circuit or communication interface etc. (such as can be above-mentioned communication as shown in Figure 1
Interface 12).Memory module 32 can be memory (such as can be above-mentioned memory 11 as shown in Figure 1).
When processing module 30 is processor, communication module 31 is transceiver, when memory module 32 is memory, processor,
Transceiver can be connected with memory by bus.Bus can be Peripheral Component Interconnect standard (peripheral
Component interconnect, PCI) bus or expanding the industrial standard structure (extended Industry standard
Architecture, EISA) bus etc..Bus can be divided into address bus, data/address bus, controlling bus etc..
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or its arbitrary combination real
It is existing.When software program is used to realize, can entirely or partly realize in the form of a computer program product.The computer journey
Sequence product includes one or more computer instructions.It is all or part of when loading and perform on computers the computer instruction
Ground is generated according to the flow or function in the embodiment of the present invention.The computer can be all-purpose computer, special purpose computer, calculating
Machine network or other programmable devices.The computer instruction can be stored in a computer-readable storage medium or from one
A computer readable storage medium is transmitted to another computer readable storage medium, for example, the computer instruction can be from one
A web-site, computer, server or data center pass through wired (such as coaxial cable, optical fiber, Digital Subscriber Line
(digital subscriber line, DSL)) mode or wireless (such as infrared, wireless, microwave etc.) mode be to another net
Website, computer, server or data center's transmission.The computer readable storage medium can be that computer can access
The data storage devices such as server, the data center that any usable medium is either integrated including one or more usable mediums.
The usable medium can be magnetic medium (for example, floppy disk, disk, tape), optical medium (for example, digital video disk
(digital video disc, DVD)) or semiconductor medium (such as solid state disk (solid state drives,
SSD)) etc..
Through the above description of the embodiments, it is apparent to those skilled in the art that, for description
It is convenienct and succinct, it, can as needed will be upper only with the division progress of above-mentioned each function module for example, in practical application
It states function distribution to be completed by different function modules, i.e., the internal structure of device is divided into different function modules, to complete
All or part of function described above.The specific work process of the system, apparatus, and unit of foregoing description, before can referring to
The corresponding process in embodiment of the method is stated, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the module or
The division of unit, only a kind of division of logic function can have other dividing mode, such as multiple units in actual implementation
Or component may be combined or can be integrated into another system or some features can be ignored or does not perform.Another point, institute
Display or the mutual coupling, direct-coupling or communication connection discussed can be by some interfaces, device or unit
INDIRECT COUPLING or communication connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical unit, you can be located at a place or can also be distributed to multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, it can also
That each unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is independent product sale or uses
When, it can be stored in a computer read/write memory medium.Based on such understanding, the technical solution of the application is substantially
The part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software products
It embodies, which is stored in a storage medium, is used including some instructions so that a computer
Equipment (can be personal computer, server or the network equipment etc.) or processor are performed described in each embodiment of the application
The all or part of step of method.And aforementioned storage medium includes：It is flash memory, mobile hard disk, read-only memory, random
Access the various media that can store program code such as memory, magnetic disc or CD.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention described should be subject to the protection scope in claims.
Claims (12)
- A kind of 1. method for the validity for checking DNS configuration files, which is characterized in that including：According to domain name system DNS local profile, the first tables of data and the second tables of data are determined, first tables of data includes Correspondence between fully qualified domain name FQDN and content indexing, second tables of data include the content indexing, subdomain Correspondence between name mark, inquiry replacement values, the FQDN is the FQDN generated according to DNS parameters；Obtain the targeted internet agreement of the target DNS parameters and the network equipment corresponding with the target DNS parameters in network IP address；According to the corresponding target FQDN of the target DNS parameters, based on first tables of data and second tables of data, inquiry The local ip address of the network equipment；If the local ip address of the network equipment is identical with the target ip address of the network equipment, it is determined that the DNS sheets Ground configuration file is effective；If the local ip address of the network equipment is different from the target ip address of the network equipment, it is determined that the DNS sheets Ground configuration file is invalid.
- 2. according to the method described in claim 1, it is characterized in that, target DNS parameters in network is obtained and with the mesh After the target ip address for marking the corresponding network equipment of DNS parameters, according to the corresponding target FQDN of the target DNS parameters, Based on first tables of data and second tables of data, inquire before the local ip address of the network equipment, the method It further includes：According to domain name create-rule, the corresponding target FQDN of the target DNS parameters is generated.
- 3. method according to claim 1 or 2, which is characterized in that the DNS local profiles include the first configuration text Part and the second configuration file, it is described according to domain name system DNS local profile, determine the first tables of data and the second tables of data, Including：The corresponding FQDN of at least one DNS parameters and at least is extracted from the first configuration file of the DNS local profiles One content indexing forms first tables of data；At least one content indexing, at least one subdomain name are extracted from the second configuration file of the DNS local profiles Mark, at least one inquiry replacement values form second tables of data.
- 4. according to the method described in claims 1 to 3 any one, which is characterized in that described according to the target DNS parameters pair The target FQDN answered based on first tables of data and second tables of data, inquires the local ip address of the network equipment, Including：The corresponding content indexings of the target FQDN are inquired in first tables of data；The inquiry replacement values corresponding to the corresponding content indexings of the target FQDN are inquired in second tables of data；If the form of the inquiry replacement values is IP address format, the inquiry replacement values of the IP address format are determined as institute State the local ip address of the network equipment；If the form of the inquiry replacement values is FQDN forms, using the inquiry replacement values as intermediate FQDN, in described Between FQDN, alternately inquired in first tables of data and second tables of data, until inquired in second tables of data The form of inquiry replacement values arrived is IP address format, and the inquiry replacement values of the IP address format are determined as the network and are set Standby local ip address.
- 5. method according to any one of claims 1 to 4, which is characterized in that the method further includes：If the local ip address of the network equipment is not inquired, it is determined that the DNS local profiles are invalid.
- 6. according to the method described in claim 1 to 5 any one, which is characterized in thatThe DNS parameters include at least one of parameters described below：Access point name APN, user's number section MSISDN, tracking area mark Know TAI, the unique temporary user device mark GUTI in the whole world, Location Area Code LAC, Route Area code RAC, radio network controller (RNC) ID；The network equipment includes following at least one：Packet gateway PGW, gateway SGW, mobile management entity MME, service GPRS Support Node SGSN, Gateway GPRS Support Node GGSN.
- 7. a kind of device for the validity for checking DNS configuration files, which is characterized in that including determining module, acquisition module and look into Ask module；The determining module, for according to domain name system DNS local profile, determining the first tables of data and the second tables of data, First tables of data includes the correspondence between fully qualified domain name FQDN and content indexing, and second tables of data includes Correspondence between the content indexing, subdomain name mark, inquiry replacement values, the FQDN is what is generated according to DNS parameters FQDN；The acquisition module, for obtaining target DNS parameters and the network equipment corresponding with the target DNS parameters in network Targeted internet Protocol IP address；The enquiry module is additionally operable to according to the corresponding target FQDN of the target DNS parameters, based on first tables of data and Second tables of data inquires the local ip address of the network equipment；The determining module is additionally operable to the target ip address phase of the local ip address and the network equipment in the network equipment With in the case of, determine that the DNS local profiles are effective；The determining module is additionally operable to the target ip address in the local ip address in the network equipment and the network equipment In the case of difference, determine that the DNS local profiles are invalid.
- 8. device according to claim 7, which is characterized in that described device further includes generation module；The generation module, for the acquisition module obtain network in target DNS parameters and with the target DNS parameters After the target ip address of the corresponding network equipment, in the enquiry module according to the corresponding target of the target DNS parameters FQDN based on first tables of data and second tables of data, is inquired before the local ip address of the network equipment, according to Domain name create-rule generates the corresponding target FQDN of the target DNS parameters.
- 9. device according to claim 7 or 8, which is characterized in thatThe determining module, specifically for extracting at least one DNS from the first configuration file of the DNS local profiles The corresponding FQDN of parameter and at least one content indexing form first tables of data；And from the DNS local profiles The second configuration file in extract at least one content indexing, at least one subdomain name mark, at least one inquiry replacement values, group Into second tables of data.
- 10. according to the device described in claim 7 to 9 any one, which is characterized in thatThe enquiry module, specifically for inquiring the corresponding content indexings of the target FQDN in first tables of data；And And the inquiry replacement values corresponding to the corresponding content indexings of the target FQDN are inquired in second tables of data；The determining module, if the form specifically for the inquiry replacement values is IP address format, by the IP address lattice The inquiry replacement values of formula are determined as the local ip address of the network equipment, if the form of the inquiry replacement values is FQDN lattice Formula, using the inquiry replacement values as intermediate FQDN；The enquiry module is additionally operable to according to the intermediate FQDN, is handed in first tables of data and second tables of data For inquiry, until the form of inquiry replacement values inquired in second tables of data is IP address format；The determining module is additionally operable to the inquiry replacement values of the IP address format being determined as the local IP of the network equipment Address.
- 11. according to the device described in claim 7 to 10 any one, which is characterized in thatThe determining module is additionally operable to not inquire the situation of the local ip address of the network equipment in the enquiry module Under, determine that the DNS local profiles are invalid.
- 12. according to the device described in claim 7 to 11 any one, which is characterized in thatThe DNS parameters include at least one of parameters described below：Access point name APN, user's number section MSISDN, tracking area mark Know TAI, the unique temporary user device mark GUTI in the whole world, Location Area Code LAC, Route Area code RAC, radio network controller (RNC) ID；The network equipment includes following at least one：Packet gateway PGW, gateway SGW, mobile management entity MME, service GPRS Support Node SGSN, Gateway GPRS Support Node GGSN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810149794.6A CN108156262B (en) | 2018-02-13 | 2018-02-13 | A kind of method and device for the validity checking DNS configuration file |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810149794.6A CN108156262B (en) | 2018-02-13 | 2018-02-13 | A kind of method and device for the validity checking DNS configuration file |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108156262A true CN108156262A (en) | 2018-06-12 |
| CN108156262B CN108156262B (en) | 2019-06-25 |
Family
ID=62457425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810149794.6A Active CN108156262B (en) | 2018-02-13 | 2018-02-13 | A kind of method and device for the validity checking DNS configuration file |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108156262B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108933846A (en) * | 2018-06-21 | 2018-12-04 | 北京谷安天下科技有限公司 | A kind of recognition methods, device and the electronic equipment of general parsing domain name |
| CN112749170A (en) * | 2021-01-22 | 2021-05-04 | 北京直真科技股份有限公司 | DNS configuration parameter checking method applied to communication industry |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030200335A1 (en) * | 2002-04-22 | 2003-10-23 | Hyung-Suk Choi | Method for domain name system spoofing in local network system |
| CN101442436A (en) * | 2007-11-20 | 2009-05-27 | 国际商业机器公司 | IP network management method and system |
| CN102640525A (en) * | 2009-12-04 | 2012-08-15 | 高通股份有限公司 | Managing a data network connection for mobile communications based on user location |
| CN102664758A (en) * | 2012-04-28 | 2012-09-12 | 沈阳通用软件有限公司 | Method for binding and automatically recovering network configuration |
| CN103428200A (en) * | 2012-05-24 | 2013-12-04 | 国际商业机器公司 | Method and system for detecting the presence of rogue domain name service providers through passive monitoring |
| CN103475526A (en) * | 2013-09-18 | 2013-12-25 | 国云科技股份有限公司 | IP setting and detecting method supporting multi-VLAN virtual machine |
| CN106850866A (en) * | 2015-12-04 | 2017-06-13 | 中国移动通信集团江苏有限公司 | A kind of method and system for determining DNS data |
-
2018
- 2018-02-13 CN CN201810149794.6A patent/CN108156262B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030200335A1 (en) * | 2002-04-22 | 2003-10-23 | Hyung-Suk Choi | Method for domain name system spoofing in local network system |
| CN101442436A (en) * | 2007-11-20 | 2009-05-27 | 国际商业机器公司 | IP network management method and system |
| CN102640525A (en) * | 2009-12-04 | 2012-08-15 | 高通股份有限公司 | Managing a data network connection for mobile communications based on user location |
| CN102664758A (en) * | 2012-04-28 | 2012-09-12 | 沈阳通用软件有限公司 | Method for binding and automatically recovering network configuration |
| CN103428200A (en) * | 2012-05-24 | 2013-12-04 | 国际商业机器公司 | Method and system for detecting the presence of rogue domain name service providers through passive monitoring |
| CN103475526A (en) * | 2013-09-18 | 2013-12-25 | 国云科技股份有限公司 | IP setting and detecting method supporting multi-VLAN virtual machine |
| CN106850866A (en) * | 2015-12-04 | 2017-06-13 | 中国移动通信集团江苏有限公司 | A kind of method and system for determining DNS data |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108933846A (en) * | 2018-06-21 | 2018-12-04 | 北京谷安天下科技有限公司 | A kind of recognition methods, device and the electronic equipment of general parsing domain name |
| CN112749170A (en) * | 2021-01-22 | 2021-05-04 | 北京直真科技股份有限公司 | DNS configuration parameter checking method applied to communication industry |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108156262B (en) | 2019-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103262503B (en) | Node selecting method and equipment in packet core network | |
| CN103179228B (en) | Internet Protocol address analytic method and fringe node | |
| CN109361526B (en) | Policy-controlled routing method, PCRF/PCF and DRA | |
| CN108156262B (en) | A kind of method and device for the validity checking DNS configuration file | |
| EP4199468A1 (en) | Method for generating table item, method for sending message, device, and system | |
| CN105722055A (en) | User roaming method, device and system in wireless local area network (WLAN) | |
| CN109906636A (en) | Method and apparatus for network function | |
| CN106576119A (en) | Delegation of prefixes to Wi-Fi clients connected to mobile access point routers | |
| CN104092576A (en) | Network topology calculation method and device | |
| CN114024886B (en) | Cross-resource-pool network intercommunication method, electronic equipment and readable storage medium | |
| CN105978748A (en) | Terminal equipment information counting method and terminal equipment information counting device based on Hash node | |
| CN104821916A (en) | Reducing the size of IPv6 routing tables by using bypass tunnels | |
| US20200296028A1 (en) | Proactive prefix disaggregation for traffic assurance in data center routing | |
| CN102595530B (en) | Method and device for determining decision-making party for physical-layer cell identifier (PCI) reselection | |
| CN105874828B (en) | Information determination method and related equipment | |
| CN105530159A (en) | Cross-IPv6 and IPv4 VPN inter-access method and system | |
| CN114422218A (en) | Tenant isolation method, device and storage medium | |
| CN101198102B (en) | Method, device and system for terminal access network | |
| CN101159924B (en) | Method and device for providing user information | |
| CN117221224A (en) | Table item construction and search method and device, network equipment and storage medium | |
| CN106789146B (en) | Topology obtaining method and device | |
| CN109039911B (en) | Method and system for sharing RAM based on HASH searching mode | |
| CN103297352B (en) | A kind of collocation method of access strategy and wideband network gateway | |
| CN108174408A (en) | A kind of signal processing method and device | |
| CN104080099B (en) | A kind of wireless controller communication means and wireless controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |