Improving Web Application Security: Threats and - CGISecurity

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526 Part IV: Securing Your Network, Host and Application To audit failed actions across the file system1. Start Windows Explorer and navigate to the root of the file system.2. Right-click the root of the file system, and then click Properties.3. Click the Security tab.4. Click Advanced, and then click the Auditing tab.5. Click Add, and then enter Everyone into the object name to select field.6. Click OK, and then select the Full Control check box in the Failed column to auditall failed events.By default, this applies to the current folder and all subfolders and files.7. Click OK three times to close all open dialog boxes.Failed audit events are logged to the Windows security event log.Enable SQL Server Login AuditingBy default, SQL Server login auditing is not enabled. Minimally, you should auditfailed logins. Auditing failed login attempts is a useful way of detecting an attackerwho is trying to crack account passwords. For more information, about how to enableSQL Server auditing, see “Step 10: SQL Server Security.”Additional ConsiderationsThe following are additional measures to consider when auditing and logging:● Consider shutting down the system if unable to log security audits. This policyoption is set in the Security Options of the Local Security Settings managementconsole. Consider this setting for highly secure servers.●Consider C2 level auditing. SQL Server offers an auditing capability thatcomplies with the U.S. Government C2 certification. C2 level auditing providessubstantially more audit information at the expense of increased disk storagerequirements.For more information about the configuration of a C2-compliant system, see theTechNet article “SQL Server 2000 C2 Administrator’s and User’s Security Guide”at http://www.microsoft.com/technet/prodtechnol/sql/maintain/security/sqlc2.asp?frame=true#d.
Chapter 18: Securing Your Database Server 527Step 10. SQL Server SecurityThe settings discussed in this section are configured using the Security tab of theSQL Server Properties dialog box in Enterprise Manager. The settings apply to all thedatabases in a single instance of SQL Server. The SQL Server Properties dialog box isshown in Figure 18.5.Figure 18.5SQL Server security propertiesIn this step, you:● Set SQL Server authentication to Windows only.●●Set SQL Server audit level to Failure or All.Run SQL Server using a least privileged account.Set SQL Server Authentication to Windows OnlyYou should configure SQL Server to support Windows-only authentication because itprovides a number of benefits. Credentials are not passed over the network, youavoid embedding usernames and passwords in database connection strings, securityis easier to manage because you work with the single Windows security modelinstead of a separate SQL Server security model, and login security improves throughpassword expiration periods, minimum lengths, and account lockout policies.
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Contents xxvii.NET Remoting Securit
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Contents xxixStaying Secure (contin
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Contents xxxiiiSummary ............
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Contents xxxvIndex of Checklists 68
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Contents xxxixHow ToIndex 743How To
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Contents xliRestricting Server-to-S
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ForewordsForeword by Mark CurpheyWh
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Part IIntroduction to Threats andCo
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3Threat ModelingIn This Chapter●
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Chapter 3: Threat Modeling 47Threat
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Part IIDesigning SecureWeb Applicat
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Part IIIBuilding Secure WebApplicat
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8Code Access Security in PracticeIn
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Part IVSecuring Your Network,Host,
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21Code ReviewIn This Chapter●●
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patterns & practicesProven practice
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