CN102457414B - Network security automatic assessment method and system adopting same used in classified security protection assessment - Google Patents

Network security automatic assessment method and system adopting same used in classified security protection assessment Download PDF

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Publication number
CN102457414B
CN102457414B CN201110440504.1A CN201110440504A CN102457414B CN 102457414 B CN102457414 B CN 102457414B CN 201110440504 A CN201110440504 A CN 201110440504A CN 102457414 B CN102457414 B CN 102457414B
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script
appraisal
network equipment
assessment
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CN102457414A (en
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梁志宏
江泽鑫
梁智强
余南华
苏扬
周强峰
胡朝辉
石炜君
梁毅成
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Electric Power Research Institute of Guangdong Power Grid Co Ltd
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Abstract

The invention discloses a network security automatic assessment method used in classified security protection assessment. The method comprises the following steps: first, establishing an assessment script library capable of checking network equipment in various types; second, establishing an assessment index reference value list library; third, selecting the corresponding assessment script from the assessment script library and logging in tested network equipment to execute the assessment script, and obtaining data returned after the script is executed; fourth, analyzing the data returned after the script is executed to obtain an assessment result value, and obtaining an assessment result through comparing the assessment result value with corresponding assessment reference value in the assessment index reference value list library; and fifth, storing the assessment result and outputting the assessment report of the tested network equipment according to the assessment result. The invention further discloses a network security automatic assessment system used in classified security protection assessment, and realizes automatic assessment to network security to get classified security protection assessment results.

Description

For waiting network security automatic assessment method and system thereof of protecting test and appraisal
Technical field
The present invention relates to information system security class protection test and appraisal (be called for short to wait and protect test and appraisal) technology; more particularly; relate to for wait to protect the network security automatic assessment method of test and appraisal, the invention still further relates to utilize the method for waiting automatic evaluation system of network security of protecting test and appraisal.
Background technology
Information security relates to national interests, safety and sovereignty.2007; the State Ministry of Public Security of the PRC, National Administration for the Protection of State Secrets, national Password Management office, four ministries and commissions of State Council Informatization Office combine issue " about carrying out the notice of national important information system safety hierarchical protection Grading Work ", require every profession and trade each province and city inner tissue to carry out important information system safety hierarchical protection Grading Work.According to " information security hierarchical protection management method " (No. [2007] 43, public logical word); information system operation, applying unit are being carried out after information system puts on record; the mechanism of all should selecting to test and assess carries out information system security class protection test and appraisal, is called for short to wait and protects test and appraisal.Deng protecting test and appraisal, be that test and appraisal mechanism is according to management regulation and technical standards such as " information system security class protection test and appraisal require "; detecting the process whether evaluation information system safe class conservation status reaches the respective level basic demand, is the important step of implementing the information security grade protection.
Comprising the test and appraisal of network security Deng guarantor's test and appraisal work, is to by the network equipment of " information security technology information system security class protection deciding grade and level guide " deciding grade and level, being tested and assessed, checking whether the tested network equipment reaches set rank; Particularly; " information system security class protection test and appraisal require " formulates the security configuration checkpoint of the test and appraisal inspection that pair network equipment is arranged, and this security configuration checkpoint comprises: identity identification check, access control measure check, integrity checking is held in audit, the intrusion defense measure checks, link control measure, malicious code resistance measure inspection etc.But, at present guarantor's test and appraisal work that waits of network security is all the artificial assessment method of employing, comprise: each assessment indicator under the respective level 1, required according to the hierarchical protection technical standard is tested and assessed to the network equipment of different model, specifically each security configuration checkpoint of the dissimilar network equipment checked, these dissimilar network equipments refer to the network equipments such as various model routers that different vendor produces, switch, fire compartment wall; 2, write etc. and to protect test and evaluation report according to the result of artificial test and appraisal.There is following problem in the method that this employing is is manually tested and assessed:
1) detection methods is too simple, causes evaluating result not comprehensive;
2) consuming time long, test and appraisal efficiency is low;
3) artificial test and appraisal error easily brings the risk of test and appraisal error;
While 4) the security configuration checkpoint of the network equipment of different model being checked to test and appraisal, because of human factor standard not.
Summary of the invention
The object of the present invention is to provide and a kind ofly realize automatically the network equipment being tested and assessed safely for wait protecting the network security automatic assessment method of test and appraisal, obtain waiting and protect evaluating result.
It is a kind of for waiting automatic evaluation system of network security of protecting test and appraisal that another object of the present invention is to provide.
Purpose of the present invention is achieved through the following technical solutions: a kind of for waiting network security automatic assessment method of protecting test and appraisal, comprise the steps:
(1) protect the dissimilar network equipment in test and appraisal, the test and appraisal script storehouse that foundation can be checked each security configuration checkpoint of every type of network equipment for waiting;
(2) according to information system security class protection test and appraisal requirement, to each assessment indicator of network security requirement, set up assessment indicator reference value list storehouse;
(3) identify the type of the tested network equipment, according to set tested network equipment level of security, from test and appraisal script storehouse, select corresponding test and appraisal script, and log on this test and appraisal script of execution on the tested network equipment, obtain after script is carried out the data of returning;
(4) analyze after script is carried out the data of returning and draw the evaluating result value, this evaluating result value is compared with test and appraisal reference value corresponding in assessment indicator reference value list storehouse, draw evaluating result;
(5) store described evaluating result, and export the test and evaluation report of the tested network equipment according to evaluating result.
In step of the present invention (3), described test and appraisal script is that the landing approach by telnet or SSH logs on the tested network equipment and carries out.
Another object of the present invention is achieved through the following technical solutions: a kind of for waiting automatic evaluation system of network security of protecting test and appraisal, comprising:
Test and appraisal script library module, the test and appraisal script for storage to each security configuration checkpoint inspection of different type network equipment;
The test and appraisal script execution module for identifying the type of the tested network equipment, selects corresponding test and appraisal script to carry out at the tested network equipment from test and appraisal script storehouse according to set network security rank, obtain the return data after script is carried out;
Script return data analysis module, for analyzing after script is carried out the data of returning, draw evaluating result;
The test and evaluation report generation module, for evaluating result is stored in to database, and export the test and evaluation report of the tested network equipment;
Described test and appraisal script library module, test and appraisal script execution module, script return data analysis module, test and evaluation report generation module are connected successively; Described test and appraisal script execution module is called the correspondence test and appraisal script of carrying out in test and appraisal script library module on the tested network equipment, the data analysis returned after by script return data analysis module, script being carried out, draw evaluating result, then by test and evaluation report generation module storage evaluating result and export the test and evaluation report of the tested network equipment.
Script return data analysis module of the present invention comprises regular expression list library module for storing regular expression, for the assessment indicator reference value list library module of storing the assessment indicator reference value, text data analyzer for the data returned after script is carried out with assessment indicator reference value analysis comparison, described regular expression list library module, assessment indicator reference value list library module are connected with the text data analyzer respectively; The data (initial data) that described text data analyzer returns after selecting corresponding regular expression and script to carry out from regular expression list library module according to the type of the network equipment are mated, draw the evaluating result value that assessment indicator is corresponding, by the text data analyzer, the assessment indicator reference value in this evaluating result value and assessment indicator reference value list storehouse is compared again, draw evaluating result.
Test and evaluation report generation module of the present invention comprises database module for storing evaluating result, for the test and evaluation report ATL module of storing the test and evaluation report template, for exporting the test and evaluation report maker of tested network equipment test and evaluation report, described test and evaluation report ATL module is connected with the test and evaluation report maker; On the one hand, described evaluating result stores in database module; On the other hand, the test and evaluation report maker is chosen corresponding test and evaluation report template according to set network security rank, exports test and evaluation report after evaluating result is write to this test and evaluation report template.
Compared with prior art, the technology of the present invention has the following advantages:
The present invention requires to set up according to information system security class protection test and appraisal the test and appraisal script that is applicable to various different type network equipment; automatically the network equipment is waited and protects test and appraisal; thereby can guarantee the comprehensive test and appraisal to network security; there is standardization to the test and appraisal of each security configuration checkpoint of the network equipment are also corresponding; and it is consuming time short to have reduced the risk that testing and assessing slips up brings, and has improved the test and appraisal operating efficiency.
The accompanying drawing explanation
The schematic diagram that Fig. 1 is network security automatic assessment method of the present invention and system thereof.
Embodiment
Below in conjunction with specific embodiment, the present invention is further set forth.
The network security automatic assessment method for waiting guarantor to test and assess as shown in Figure 1, comprise the steps:
(1) protect the dissimilar network equipment in test and appraisal, the test and appraisal script storehouse that foundation can be checked each security configuration checkpoint of every type of network equipment for waiting;
(2) according to information system security class protection test and appraisal requirement, to each assessment indicator of network security requirement, set up assessment indicator reference value list storehouse;
(3) identify the type of the tested network equipment, according to set tested network equipment level of security, from test and appraisal script storehouse, select corresponding test and appraisal script, and log on this test and appraisal script of execution on the tested network equipment, obtain after script is carried out the data of returning;
(4) analyze after script is carried out the data of returning and draw the evaluating result value, this evaluating result value is compared with test and appraisal reference value corresponding in assessment indicator reference value list storehouse, draw evaluating result;
(5) store described evaluating result, and export the test and evaluation report of the tested network equipment according to evaluating result.
The automatic evaluation system of network security for waiting guarantor to test and assess that utilizes above-mentioned network security assessment method as shown in Figure 1, it comprises: test and appraisal script library module, test and appraisal script execution module, script return data analysis module and test and evaluation report generation module, and test and appraisal script library module, test and appraisal script execution module, script return data analysis module, test and evaluation report generation module are connected successively; The test and appraisal script execution module is called corresponding test and appraisal script in test and appraisal script library module, and log in the tested network equipment and carry out, the data analysis returned after by script return data analysis module, script being carried out, draw evaluating result, then by test and evaluation report generation module storage evaluating result and export the test and evaluation report of the tested network equipment.
Test and appraisal script library module is the test and appraisal script to each security configuration checkpoint inspection of different type network equipment for storage; according to " information system security class protection test and appraisal require " file; the router provided for current heterogeneous networks equipment manufacturer, switch, fire compartment wall model are called the dissimilar network equipment; write to these dissimilar network equipments corresponding for waiting test and appraisal script of protecting test and appraisal, so that the data that the tested network equipment this test and appraisal script of corresponding execution generation script return after carrying out.The network equipment mainly includes the network equipment of alcatel, the network equipment of cisco, the network equipment of huawei and the network equipment of juniper, corresponding test and appraisal script mainly includes alcatel test and appraisal script, cisco test and appraisal script, huawei test and appraisal script, the juniper script of test and assess, and test and appraisal script storehouse can be expanded as required increases the script of testing and assessing.
According to " information system security class protection test and appraisal require " test and appraisal script of writing specifically comprise that the identity identification check of the network equipment, access control measure check, integrity checking is held in audit, the intrusion defense measure checks, link control measure, malicious code resistance measure inspection etc., can cover the various aspects that wait the network security configuration inspection point of protecting the standard formulation of testing and assessing.Test and appraisal script storehouse can be left in the excel file, the test and appraisal instruction list that the corresponding a kind of network equipment model of each sheet of excel file need to be carried out, and the name of every sheet is named with network equipment model.
The test and appraisal script execution module is for identifying the type of the tested network equipment, then select corresponding test and appraisal script from test and appraisal script storehouse according to set network security rank, and the landing approach by telnet or SSH logs on the tested network equipment and carry out, obtain the return data after script is carried out, the core component of test and appraisal script execution module is test and appraisal script manager, this test and appraisal script manager provides User Interface, the user selects to set the type of the tested network equipment in advance on interactive interface, select the set safety deciding grade and level rank of the tested network equipment, log on the information such as the mode (telnet/SSH v1/SSH v2) of the network equipment and login password, test and appraisal script manager will extract corresponding test and appraisal script according to user's selection from test and appraisal script storehouse, and in the tested network equipment operation this script, the script of finally testing and assessing will be saved in the cfg file according to the data that after tested network equipment operation, script returns, and the initial data document returned as test and appraisal.In addition, identify the type of the tested network equipment except setting first in advance by the user, also can be made as the mode of automatic identification.
Script return data analysis module is the data (initial data) of returning for analyzing after script is carried out, and draws evaluating result; This script return data analysis module comprises regular expression list library module for storing regular expression, for the assessment indicator reference value list library module of storing the assessment indicator reference value, text data analyzer for the data returned after script is carried out with assessment indicator reference value analysis comparison, regular expression list library module, assessment indicator reference value list library module are connected with the text data analyzer respectively; The text data analyzer is by select suitable regular expression list from regular expression list storehouse, and difference matches the evaluating result value that assessment indicator is corresponding item by item from initial data document (cfg file); Then according to the set deciding grade and level rank of the tested network equipment that in the test and appraisal script execution module, User Interface is selected, select suitable assessment indicator reference value list from assessment indicator reference value list storehouse, and the evaluating result value is compared with the reference value of corresponding test and appraisal item in the list of assessment indicator reference value, if the evaluating result value of this assessment indicator item equates or drops in reference range with corresponding reference value, think that these test and appraisal meet; Otherwise do not meet.
Regular expression list library module comprises every kind of regular expression list that types of network equipment is corresponding, because the script that the heterogeneous networks device type is corresponding different, data format and data content that different scripts returns after moving on heterogeneous networks equipment are all different, thereby different script return datas needs different regular expression lists to be mated, each regular expression can only match a line or a bit of data, and network security is tested and assessed, concrete assessment indicator has a lot, and the set of a large amount of regular expressions is called as the regular expression list.The assessment indicator test and appraisal value of the tested network equipment can be corresponding by this network equipment certain row or a few row matching regular expressions rule of regular expression list mated, thereby, in script return data analysis module after returning to initial data, only need to sequentially mate from the beginning to the end the evaluating result that can extract all assessment indicators by the regular expression list of this types of network equipment.
Assessment indicator reference value list library module is being deposited network security assessment indicator reference value at different levels list.In the list of assessment indicator reference value, every a line has defined network security index reference value or the reference range of this grade.
The test and evaluation report generation module is for evaluating result is stored in to database, and exports the test and evaluation report of the tested network equipment; This test and evaluation report generation module comprises database module for storing evaluating result, for the test and evaluation report ATL module of storing the test and evaluation report template, for exporting the test and evaluation report maker of tested network equipment test and evaluation report, test and evaluation report ATL module is connected with the test and evaluation report maker; On the one hand, evaluating result stores in database module; On the other hand, the test and evaluation report maker is according to set network security rank, select to read corresponding test and evaluation report template from the test and evaluation report ATL, and the copy of generation report template, then evaluating result (the scene test and appraisal value and the evaluating result that comprise the network equipment meet situation) is write to the relevant position of this test and evaluation report template copies, thereby form the network security test and evaluation report.
Embodiments of the present invention are not limited to this; according to foregoing; ordinary skill knowledge and customary means according to this area; do not breaking away under the above-mentioned basic fundamental thought of the present invention prerequisite; the present invention can also make equivalent modifications, replacement or the change of other various ways, all should be interpreted as and still belong to protection scope of the present invention.

Claims (4)

1. protect the network security automatic assessment method of testing and assessing for waiting for one kind, it is characterized in that comprising the steps:
(1) protect the dissimilar network equipment in test and appraisal, the test and appraisal script storehouse that foundation can be checked each security configuration checkpoint of every type of network equipment for waiting;
(2) according to information system security class protection test and appraisal requirement, to each assessment indicator of network security requirement, set up assessment indicator reference value list storehouse;
(3) identify the type of the tested network equipment, according to set tested network equipment level of security, from test and appraisal script storehouse, select corresponding test and appraisal script, and log on this test and appraisal script of execution on the tested network equipment, obtain after script is carried out the data of returning;
(4) analyze after script is carried out the data of returning and draw the evaluating result value, this evaluating result value is compared with test and appraisal reference value corresponding in assessment indicator reference value list storehouse, draw evaluating result;
(5) store described evaluating result, and export the test and evaluation report of the tested network equipment according to evaluating result.
2. according to claim 1 for wait protecting the network security automatic assessment method of test and appraisal, it is characterized in that: in described step (3), described test and appraisal script is that the landing approach by telnet or SSH logs on the tested network equipment and carries out.
3. protect the automatic evaluation system of network security of testing and assessing for waiting for one kind, it is characterized in that comprising:
Test and appraisal script library module, the test and appraisal script for storage to each security configuration checkpoint inspection of different type network equipment;
The test and appraisal script execution module for identifying the type of the tested network equipment, selects corresponding test and appraisal script to carry out at the tested network equipment from test and appraisal script storehouse according to set network security rank, obtain the return data after script is carried out;
Script return data analysis module, for analyzing after script is carried out the data of returning, draw evaluating result;
The test and evaluation report generation module, for evaluating result is stored in to database, and export the test and evaluation report of the tested network equipment;
Described test and appraisal script library module, test and appraisal script execution module, script return data analysis module, test and evaluation report generation module are connected successively; Described test and appraisal script execution module is called corresponding test and appraisal script in test and appraisal script library module; and log in the tested network equipment and carry out; the data analysis returned after by script return data analysis module, script being carried out; draw evaluating result, then by test and evaluation report generation module storage evaluating result and export the test and evaluation report of the tested network equipment;
Described script return data analysis module comprises regular expression list library module for storing regular expression, for the assessment indicator reference value list library module of storing the assessment indicator reference value, text data analyzer for the data returned after script is carried out with assessment indicator reference value analysis comparison, described regular expression list library module, assessment indicator reference value list library module are connected with the text data analyzer respectively; The data that described text data analyzer returns after selecting corresponding regular expression and script to carry out from regular expression list library module according to the type of the network equipment are mated, draw the evaluating result value that assessment indicator is corresponding, by the text data analyzer, the assessment indicator reference value in this evaluating result value and assessment indicator reference value list storehouse is compared again, draw evaluating result.
4. according to claim 3 for waiting automatic evaluation system of network security of protecting test and appraisal, it is characterized in that: described test and evaluation report generation module comprises database module for storing evaluating result, for the test and evaluation report ATL module of storing the test and evaluation report template, for exporting the test and evaluation report maker of tested network equipment test and evaluation report, and described test and evaluation report ATL module is connected with the test and evaluation report maker; On the one hand, described evaluating result stores in database module; On the other hand, the test and evaluation report maker is chosen corresponding test and evaluation report template according to set network security rank, exports test and evaluation report after evaluating result is write to this test and evaluation report template.
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