CN109922030A - Global network access control system and method based on Android device - Google Patents
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Abstract
The present invention relates to network communication technology fields, more particularly to a kind of global network access control system and method based on Android device, including backstage configuration module inventory, authorization module, interface module, white list writing module, dns resolution redirection module, network request parsing module, network access interception module and data server are issued automatically.The invention enables the automatic acquisition white lists in mobile device backstage, carry out network-control automatically；It supports general domain name to match simultaneously, greatly reduces workload, improve back-stage management working efficiency；Immediately the problem of request parsing immediately, solves performance and efficiency that high-volume concentrates parsing, lowers system resource and occupies, while also making CDN network ip address change is solved.Intervene without administrative staff, efficiently realizes the information security requirement of mobile device global network control.
Description
Technical field
The present invention relates to network communication technology field more particularly to a kind of global network access based on Android device
Control system and method.
Background technique
With popularizing for mobile Internet, occur a large amount of mobile application usage scenario in every profession and trade, mobile device
Use all trades and professions such as quick push and mobile office, mobile government, wisdom education.Using mobile intelligent terminal, can effectively disappear
Except place, the limitation of time, the work and study efficiency of government, school, enterprise, and the convenience used are greatly improved；In this
Many problems are also brought simultaneously, especially on the Web vector graphic of special equipment, based on the considerations of information security, and prevent from disliking
Meaning software corruption, it is more more and more intense for the NS software demand of mobile device, the security management and control of mobile device is mentioned
Higher requirement out.
The mobile device NS software of existing market mainstream, there are mainly two types of, one is pass through special browser, control
Browser processed accesses network address, and major defect: 1) can only control special browser, can not carry out network control to third party's browser
System.2) webpage embedded for other study, job applications can not control.Another kind is simply by operating system
Iptables rule carries out global limitation, major defect: 1) being only capable of the setting address ip rule control.2) to the white list of domain name kind
Need it is pre- be first converted into ip, inefficiency, and the IP address of variation this kind of for CDN network is had no way of doing it.3) with white name
Single increases, and rule write-in execution efficiency is lower and lower.4) Extensive domain name analysis is not supported, back-stage management needs to add a large amount of quasi-
True domain name white list address.Two schemes can not all carry out safely and effectively network control for being largely distributed in outer mobile device
System can not effectively manage mobile device and access illegal network address.
Summary of the invention
The present invention provides a kind of global network access control system and method based on Android device, can be to shifting
The dynamic method that equipment network address white list issues automatically and equipment obtains preservation automatically, can issue pair automatically according to user right
The network address white list answered is to remote equipment, and automatic to carry out network request control, reduction repetitive operation burden avoids operating mistake.
In order to achieve the object of the present invention, used technical solution is: the global network access based on Android device
Control system, including interface module, white list writing module, dns resolution redirection module are issued automatically, network request parses mould
Block, network access interception module and data server issue interface module for the network address white list authorized automatically and are handed down to finger
Fixed mobile device；Mobile device is written in the network address white list that white list writing module will acquire；Dns resolution redirection module will
The dns resolution of network request is redirected to network request parsing module, and mobile device is requested network by network request parsing module
The destination address of access and the white list of acquisition compare, and whether notice network access interception module allows to pass through, data server
Save mobile equipment subscriber information and corresponding authorization white list information.
As prioritization scheme of the invention, the global network access control system based on Android device further includes backstage
Configuration list module and authorization module, configuration list module offer additions and deletions in backstage, which change, looks into white list list function, authorization module needle
Different mobile device models and different user are authorized, backstage configuration list module is stored in data service by authorization module
Device issues interface module automatically and reads the inventory saved in data server by authorization module and be handed down to white list write-in mould
Block.
As prioritization scheme of the invention, network access interception module is that android system carries iptables function mould
Block and iptables add-on module ipset.
In order to achieve the object of the present invention, used technical solution is: utilizing the global network based on Android device
The method that access control system is controlled, includes the following steps:
1) start dns resolution redirection module and network request parsing module automatically after mobile device starting；
2) from issuing automatically, interface module obtains newest network address white list and then mobile device is written in classification automatically；
3) mobile device when updating inventory automatically updates network address white list from the background；
4) network request to destination address is initiated in mobile device system or application；
5) dns resolution of network request is redirected to network request parsing module by dns resolution redirection module；
6) destination address and the progress of network address white list that network request parsing module accesses mobile device request network
Match, if successful match, network access interception module is written into the address ip after parsing；
7) network access interception module can be reached after network request parsing, network access interception module according to have been written into
Allow by rule, judge whether network request can be normal through
As prioritization scheme of the invention, the starting of dns resolution redirection module includes the following steps: in step 1)
S11. network request is redirected to network request parsing module；
S12. iptables environment is initialized, filter table is set, the dns resolution of network request is allowed to pass through；
S13. ipset table is initialized, ip address table and the address ip segment table is respectively created, while adding iptables rule,
Address in two tables is allowed to allow to pass through；
S14. allow local loopback；
S15. allow to access the port outer net DNS；
S16. IPset table is created, the address ip is stored；
S17. ipset table is created, ip address field is stored；
S18. allow purpose ip all in ipset table that can access.
As prioritization scheme of the invention, classify in step 2) to network address white list, by the address ip and IP address
Section write-in iptables functional module, to domain name kind address, by requesting the method for parsing comparison to be immediately written immediately
Iptables functional module.
As prioritization scheme of the invention, the method classified in step 2) to network address white list, including walk as follows
It is rapid:
S21. judge whether address is the address ip and IP address section by regular expression；
The address S22.ip and IP address section enter iptables rule；
S23. the white list inventory of network request parsing module (6) is written in the domain name of the non-address ip and IP address section；
S24. it before issuing the network address white list classification write-in that interface module obtains update automatically, is obtained before emptying
White list and iptables rule.
As prioritization scheme of the invention, the address ip in step S21 is standard ip address format, and IP address section is standard
Network segment format；The domain name of IP address section in step S23 is the Domain Name Form registering sites of standard.
As prioritization scheme of the invention, in step 6), the realization of network request parsing module (6) includes following step
It is rapid:
S31. the locally specified port of network request parsing module audiomonitor；
When S32. receiving the network request that dns resolution redirection module is sent, the domain name addresses of request is taken out；
S33. domain name addresses is subjected to general domain name matching with the white list inventory having been written into line by line；
S34. the ipset table created, matching is written in the address ip for returning to the parsing of upstream dns server fitted through
It is unacceptable to be not processed.
As prioritization scheme of the invention, general domain name matching includes the following steps:
S41. white list is taken out line by line；
S42. the white list character string domain name string matching of request taken out, is counted from the end of character string, if
Successful match, which then compares, to be terminated.
The present invention has the effect of positive: (1) the invention enables white lists to issue automatically, convenient for management, and once-through operation is remote
Journey equipment comes into force automatically, can modify at any time.
(2) control method of the invention makes mobile device backstage is automatic to obtain white list, automatic progress network control
System；It supports general domain name to match simultaneously, greatly reduces workload, improve back-stage management working efficiency；Immediately request parsing immediately, solution
Certainly high-volume concentrates the performance and efficiency of parsing, lowers system resource and occupies, while also making CDN network ip address change
Problem is solved.Intervene without administrative staff, efficiently realizes the information security of mobile device global network control
It is required that.
(3) present invention lowers systematicness for mobile device setting magnanimity iptabels rule by introducing ipset module
Intercepting efficiency, and the influence to network transmission can be greatly improved with the crux of network efficiency.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the overall structure diagram of the automatic sending system of network address white list of the present invention；
Fig. 2 is the network access interception flow chart of global network access control method of the present invention；
Wherein: 1, backstage configuration list module, 2, authorization module, 3, issue interface module automatically, 4, white list mould is written
Block, 5, dns resolution redirection module, 6, network request parsing module, 7, network access interception module, 8, data server.
Specific embodiment
The global network access control system based on Android device that the invention discloses a kind of, including issue and connect automatically
Mouth mold block 3, white list writing module 4, dns resolution redirection module 5, network request parsing module 6, network access interception module
7 and data server 8, interface module 3 is issued automatically by the network address white list authorized is handed down to specified mobile device；White name
Mobile device is written in the network address white list that single writing module 4 will acquire；Dns resolution redirection module 5 solves the DNS of network request
Analysis is redirected to network request parsing module 6, the destination address that network request parsing module 6 accesses mobile device request network
It is compared with the white list of acquisition, whether notice network access interception module 7 allows to pass through, and data server 8 saves mobile device
User information and corresponding authorization white list information.
Global network access control system based on Android device further includes backstage configuration list module 1 and authorization mould
Block 2, the offer additions and deletions of backstage configuration list module 1, which change, looks into white list list function, and authorization module 2 is directed to different mobile device models
And different user is authorized, backstage configuration list module 1 is stored in data server 8 by authorization module 2, issues interface automatically
Module 3 reads the inventory saved in data server 8 by authorization module 2 and is handed down to white list writing module 4.
Network access interception module 7 is that android system carries iptables functional module and iptables add-on module
ipset。
The method controlled using the global network access control system based on Android device, is included the following steps:
1) start dns resolution redirection module 5 and network request parsing module 6 automatically after mobile device starting；
2) from issuing automatically, interface module 3 obtains newest network address white list and then mobile device is written in classification automatically；
3) mobile device when updating inventory automatically updates network address white list from the background；
4) network request to destination address is initiated in mobile device system or application；
5) dns resolution of network request is redirected to network request parsing module 6 by dns resolution redirection module 5；
6) destination address and the progress of network address white list that network request parsing module 6 accesses mobile device request network
Match, if successful match, network access interception module 7 is written into the address ip after parsing；
7) network access interception module 7 can be reached after network request parsing, network access interception module 7 is according to having been written into
With allow by rule, judge whether network request can be normal through.
The starting of dns resolution redirection module 5 includes the following steps: in step 1)
S11. network request is redirected to network request parsing module 6；It can be incited somebody to action by iptables NAT table rule
The network request of 53 ports is redirected to network request parsing module 6；Or it is ordered by the ndc resolver that Android is carried
Setting network request is enabled to be directed toward network request parsing module 6, (different editions Android command parameter is different).
S12. iptables environment is initialized, filter table is set, the dns resolution of network request is allowed to pass through；It will
The OUTPUT chain of filter table is set as DROP.
S13. ipset table is initialized, ip address table and the address ip segment table is respectively created, while adding i ptables rule,
Address in two tables is allowed to allow to pass through；
# setting OUTPUT chain is defaulted as DROP
iptables-P OUTPUT DROP
S14. allow local loopback；
iptables-A OUTPUT-s 127.0.0.1-d 127.0.0.1-j
ACCEPT
S15. allow to access the port outer net DNS；
iptables-A OUTPUT-p tcp--dport 53-j ACCEPT
iptables-A OUTPUT-p udp--dport 53-j ACCEPT
S16. IPset table is created, the address ip is stored；
ipset creat iplist hash:ip
S17. ipset table is created, ip address field is stored.
ipset creat netlist hash:net
S18. allow purpose ip all in ipset table that can access
iptables-A OUTPUT-m set--match-set iplist dst-j
ACCEPT
iptables-A OUTPUT-m set--match-set netlist dst-j ACCEPT。
The method classified in step 2) to network address white list, includes the following steps:
S21. judge whether address is the address ip and IP address section by regular expression；
The address S22.ip and IP address section enter iptables rule；
S23. the white list inventory of network request parsing module 6 is written in the domain name of the non-address ip and IP address section；
S24. it before issuing the network address white list classification write-in that interface module 3 obtains update automatically, is obtained before emptying
White list and iptables rule.
The ip address format obtained in step S21 is standard ip address format, such as 10.0.123.11；IP address section format
For standard network paragraph format, such as 10.0.1.0/24.
The Domain Name Form registering sites obtained in step S21 be standardized domain name format, " " not comprising domain name structure head and the tail, such as
163.com、news.sina.com。
Classify in step 2) to network address white list, iptables function mould is written into the address ip and IP address section
Block avoids with for the moment domain name kind address by requesting the method for parsing comparison immediately that iptables functional module is written immediately
Between parse a large amount of domain names, the performance and efficiency of NS software is greatly improved, simultaneously as every time parsing all matched, solve
Certainly the problem of CDN network ip address change, the network request parsing module in the method supports general domain name matching, greatly reduces
The workload of backstage personnel setting white list.And by the way that ipset module is added, solving a large amount of IP address rules causes
The problem of attenuating of iptables intercepting efficiency and occupying system resources.
In step 6), the realization of network request parsing module 6 includes the following steps:
S31. the locally specified port of 6 audiomonitor of network request parsing module, audiomonitor local 127.0.0.1 designated ends
Mouthful；
When S32. receiving the network request that dns resolution redirection module 5 is sent, the domain name addresses of request is taken out；
S33. domain name addresses is subjected to general domain name matching with the white list inventory having been written into line by line；
S34. the ipset table created, matching is written in the address ip for returning to the parsing of upstream dns server fitted through
It is unacceptable to be not processed.
Embodiment 1
As shown in Figure 1, this implementation includes backstage configuration module inventory 1, authorization module 2, issues interface module 3 automatically, is white
List writing module 4, dns resolution redirection module 5, network request parsing module 6, network access interception module 7 and data clothes
Business device 8.
Backstage configuration module inventory 1 is stored in data service 8 by authorization module 2.Automatically issuing interface module 3 passes through authorization
Module 2 reads the inventory that saves in data server 8, is handed down to white list writing module 4, and white list writing module 4 is by white name
Single classification write-in network request parsing module 6 and network access interception module 7.Dns resolution redirection module 5 is by network request
Dns resolution is redirected to network request parsing module 6, the mesh that network request parsing module 6 accesses mobile device request network
Address matched with network address white list, will meet white list parsing return ip write-in network access interception module 7.Network
When request eventually arrives at network access interception module 7, the final inventory of the comparison write-in of network access interception module 7 is compared,
Decide whether to intercept network request.
Embodiment 2
As shown in Fig. 2, the application method of embodiment 1, comprising the following steps:
(1) mobile device initiates network request；
(2) the domain name kind network request of dns resolution is needed to be redirected to network request solution by dns resolution redirection module 5
Analyse module 6；The request of IP class can directly reach network access interception module 7.
(3) domain name of request and the white list of write-in are carried out general domain name matching by dns resolution module, and will be matched
Domain name mapping result ip is written in ipset table, and general domain name matching algorithm is as follows:
S41. white list is taken out line by line；
S42. the white list character string domain name string matching of request taken out, is counted from the end of character string, if
Successful match, which then compares, to be terminated.
(4) when network request reaches network access interception module 7 (iptables), network access interception module 7 is according to white
The rule that list writing module 4 and dns resolution redirection module 5 are written, allows to pass through, no to the network request of matching rule
Matched request will be intercepted.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (10)
1. the global network access control system based on Android device, it is characterised in that: including issuing interface module automatically
(3), white list writing module (4), dns resolution redirection module (5), network request parsing module (6), network access interception mould
Block (7) and data server (8), it is described issue automatically the network address white list that interface module (3) will authorize be handed down to it is specified
Mobile device；Mobile device is written in the network address white list that the white list writing module (4) will acquire；Dns resolution is reset
The dns resolution of network request is redirected to network request parsing module (6) to module (5), network request parsing module (6) will
The destination address of mobile device request network access and the white list of acquisition compare, and whether notice network access interception module (7)
Allow to pass through, the data server (8) saves mobile equipment subscriber information and corresponding authorization white list information.
2. the global network access control system according to claim 1 based on Android device, it is characterised in that: institute
Stating the global network access control system based on Android device further includes backstage configuration list module (1) and authorization module
(2), the backstage configuration list module (1) offer additions and deletions, which change, looks into white list list function, and the authorization module (2) is directed to
Different mobile device models and different user are authorized, and backstage configuration list module (1) is stored in data by authorization module (2)
Server (8), issue automatically interface module (3) by authorization module (2) read data server (8) in save inventory and under
Issue white list writing module (4).
3. the global network access control system according to claim 2 based on Android device, it is characterised in that: institute
The network access interception module (7) stated is that android system carries iptables functional module and iptables add-on module
ipset。
4. the method controlled using the global network access control system described in claim 2 based on Android device,
It is characterized in that: including the following steps:
1) start dns resolution redirection module (5) and network request parsing module (6) automatically after mobile device starting；
2) from the newest network address white list of interface module (3) acquisition is issued automatically, then mobile device is written in classification automatically；
3) mobile device when updating inventory automatically updates network address white list from the background；
4) network request to destination address is initiated in mobile device system or application；
5) dns resolution of network request is redirected to network request parsing module (6) by dns resolution redirection module (5)；
6) destination address and the progress of network address white list that network request parsing module (6) accesses mobile device request network
Match, if successful match, network access interception module (7) are written into the address ip after parsing；
7) it can be reached network access interception module (7) after network request parsing, network access interception module (7) basis has been written into
With allow by rule, judge whether network request can be normal through.
5. the method controlled using the global network access control system described in claim 4 based on Android device,
Be characterized in that: dns resolution redirection module (5) starting includes the following steps: in step 1)
S11. network request is redirected to network request parsing module (6)；
S12. iptables environment is initialized, filter table is set, the dns resolution of network request is allowed to pass through；
S13. ipset table is initialized, ip address table and the address ip segment table is respectively created, while adding iptables rule, is allowed
Address allows to pass through in two tables；
S14. allow local loopback；
S15. allow to access the port outer net DNS；
S16. IPset table is created, the address ip is stored；
S17. ipset table is created, ip address field is stored；
S18. allow purpose ip all in ipset table that can access.
6. the side controlled using the global network access control system described in claim 4 or 5 based on Android device
Method, it is characterised in that: classify in step 2) to network address white list, iptables function is written into the address ip and IP address section
Energy module passes through to domain name kind address and requests the method for parsing comparison immediately that iptables functional module is written immediately.
7. the method controlled using the global network access control system described in claim 6 based on Android device,
Be characterized in that: the method classified in step 2) to network address white list includes the following steps:
S21. judge whether address is the address ip and IP address section by regular expression；
The address S22.ip and IP address section enter iptables rule；
S23. the white list inventory of network request parsing module (6) is written in the domain name of the non-address ip and IP address section；
S24. it before issuing the network address white list classification write-in that interface module (3) obtain update automatically, is obtained before emptying
White list and iptables rule.
8. the method controlled using the global network access control system described in claim 7 based on Android device,
Be characterized in that: the address ip in step S21 is standard ip address format, and IP address section is standard network paragraph format；In step S23
The domain name of IP address section is the Domain Name Form registering sites of standard.
9. the method controlled using the global network access control system described in claim 6 based on Android device,
Be characterized in that: in step 6), the realization of network request parsing module (6) includes the following steps:
S31. network request parsing module (6) the locally specified port of audiomonitor；
When S32. receiving the network request that dns resolution redirection module (5) is sent, the domain name addresses of request is taken out；
S33. domain name addresses is subjected to general domain name matching with the white list inventory having been written into line by line；
S34. the ipset table created is written in the address ip for returning to the parsing of upstream dns server fitted through, matches obstructed
That crosses is not processed.
10. the method controlled using the global network access control system described in claim 9 based on Android device,
It is characterized by: general domain name matching includes the following steps:
S41. white list is taken out line by line；
S42. the white list character string domain name string matching of request taken out, is counted from the end of character string, if matching
Successful then comparison terminates.
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| CN112543238A (en) * | 2020-12-08 | 2021-03-23 | 光通天下网络科技股份有限公司 | Domain name over-white list optimization method, device, equipment and medium |
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| CN113489778A (en) * | 2021-07-01 | 2021-10-08 | 中国建设银行股份有限公司 | Access request processing method and device, electronic equipment and storage medium |
| CN113489778B (en) * | 2021-07-01 | 2022-12-13 | 中国建设银行股份有限公司 | Access request processing method and device, electronic equipment and storage medium |
| CN113904849A (en) * | 2021-10-09 | 2022-01-07 | 深圳技德智能科技研究院有限公司 | Network access method, device, computer equipment and storage medium |
| CN113904849B (en) * | 2021-10-09 | 2024-01-09 | 深圳技德智能科技研究院有限公司 | Access network method, device, computer equipment and storage medium |
| CN114125065A (en) * | 2021-11-23 | 2022-03-01 | 神思智能科技有限公司 | Network request framework, creation method, network request method and device |
| CN114401140A (en) * | 2022-01-13 | 2022-04-26 | 腾讯科技（深圳）有限公司 | Access processing method, related device, storage medium, and program product |
| CN114401140B (en) * | 2022-01-13 | 2022-11-11 | 腾讯科技（深圳）有限公司 | Access processing method, related device and storage medium |
| CN114938294A (en) * | 2022-05-05 | 2022-08-23 | 岚图汽车科技有限公司 | Control method and control device for network access of vehicle-mounted system |
| CN115550059A (en) * | 2022-11-17 | 2022-12-30 | 北京首信科技股份有限公司 | WEB access control and redirection system, method and storage medium |
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| CN109922030B (en) | 2021-11-19 |
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