Improving Web Application Security: Threats and - CGISecurity

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510 Part IV: Securing Your Network, Host and ApplicationBefore Running SQL Server SetupBefore you run the SQL Server setup program, check the following items:● Create a least privileged local account with which to run the SQL Server service.Use this account when you are prompted for service settings during setup. Do notuse the local system account or an administrator account.● Make sure you do not install SQL Server on a domain controller.● Make sure you install SQL Server on a partition formatted with NTFS.●Install SQL Server program and database files on a non-system volume, separatefrom the operating system.Installing SQL ServerWhen installing SQL Server on a production server, choose the custom setup option.When you do this, you can selectively choose the items to install. You should notinstall the items listed in Table 18.2 on a production database server.Table 18.2 Items Not to Install During Custom InstallationToolPurposeUpgrade tools Used to upgrade SQL Server 6.5 databasesReplication supportFull text searchBooks onlineDevelopment toolsCode samplesScript and binary files used for replication. (Do not install unless you needreplication.)Full text search engine (Microsoft Search service). Do not install unless yourequire full text search.SQL Server documentationHeaders and library files used by C developers and Microsoft Data Access(MDAC), and XML software development kits (SDKs), and an interface forstored procedure debugging.Sample code used to educate developers.Also, select Windows authentication mode unless SQL Server authentication isspecifically required. Windows authentication offers the following advantages:● Existing domain and local security policies can be used to enforce strongpasswords and account management best practices.●●Credentials are not passed over the network.Application database connection strings do not require credentials.If you select Mixed Mode, create a strong password for the sa account. The sa accountis a prime target for password guessing and dictionary attacks.
Chapter 18: Securing Your Database Server 511Steps for Securing Your Database ServerThis section guides you through the process of securing your database server usingthe configuration categories introduced earlier. The steps cover Windows 2000 andSQL Server 2000. Each step may contain one or more actions to secure a particulararea or feature.Step 1Patches and UpdatesStep 7PortsStep 2ServicesStep 8RegistryStep 3ProtocolsStep 9Auditing and LoggingStep 4AccountsStep 10SQL Server SecurityStep 5Files and DirectoriesStep 11SQL Server Logins, Users, and RolesStep 6SharesStep 12SQL Server Database ObjectsStep 1. Patches and UpdatesFailure to apply the latest patches and updates in a timely manner means that you areproviding opportunities for attackers to exploit known vulnerabilities. You shouldverify that your database server is updated with the latest Windows 2000 and SQLServer service packs and updates.Important Make sure to test patches and updates on test systems that mirror your productionservers as closely as possible before applying them on production servers.Detect Missing Service Packs and UpdatesUse the Microsoft Baseline Security Analyzer (MBSA) to detect the necessaryWindows and SQL Server updates that may be missing. MBSA uses an XML file asthe reference of existing updates. This XML file is either downloaded by MBSA whena scan runs, or the file can be downloaded on the local server or from a networkserver. To detect and install patches and updates1. Download and install MBSA.You can do this from the MBSA home page at http://www.microsoft.com/technet/treeview/default.asp?url=/technet/security/tools/Tools/mbsahome.asp.If you do not have Internet access when you run MBSA, it will not be able toretrieve the XML file containing the latest security settings from Microsoft. In thisevent, download the XML file manually and put it in the MBSA program directory.The XML file is available from http://download.microsoft.com/download/xml/security/1.0/nt5/en-us/mssecure.cab.
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Contents xxvii.NET Remoting Securit
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Contents xxxiiiSummary ............
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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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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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