Improving Web Application Security: Threats and - CGISecurity

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726 Improving Web Application Security: Threats and CountermeasuresAuditing and LoggingCheck DescriptionFailed logon attempts are audited.IIS log files are relocated and secured.Log files are configured with an appropriate size depending on the application securityrequirement.Log files are regularly archived and analyzed.Access to the Metabase.bin file is audited.IIS is configured for W3C Extended log file format auditing.Sites and Virtual DirectoriesCheck DescriptionWeb sites are located on a non-system partition.“Parent paths” setting is disabled.Potentially dangerous virtual directories, including IISSamples, IISAdmin, IISHelp, and Scriptsvirtual directories, are removed.MSADC virtual directory (RDS) is removed or secured.Include directories do not have Read Web permission.Virtual directories that allow anonymous access restrict Write and Execute Web permissionsfor the anonymous account.There is script source access only on folders that support content authoring.There is write access only on folders that support content authoring and these folder areconfigured for authentication (and SSL encryption, if required).FrontPage Server Extensions (FPSE) are removed if not used. If they are used, they areupdated and access to FPSE is restricted.Script MappingsCheck DescriptionExtensions not used by the application are mapped to 404.dll (.idq, .htw, .ida, .shtml, .shtm,.stm, idc, .htr, .printer).Unnecessary ASP.NET file type extensions are mapped to “HttpForbiddenHandler” inMachine.config.
Checklist: Securing Your Web Server 727ISAPI FiltersCheck DescriptionUnnecessary or unused ISAPI filters are removed from the server.IIS MetabaseCheck DescriptionAccess to the metabase is restricted by using NTFS permissions(%systemroot%\system32\inetsrv\metabase.bin).IIS banner information is restricted (IP address in content location disabled).Server CertificatesCheck DescriptionCertificate date ranges are valid.Certificates are used for their intended purpose (for example, the server certificate is notused for e-mail).The certificate’s public key is valid, all the way to a trusted root authority.The certificate has not been revoked.Machine.configCheck DescriptionProtected resources are mapped to HttpForbiddenHandler.Unused HttpModules are removed.Tracing is disabled Debug compiles are turned off.Code Access SecurityCheck DescriptionCode access security is enabled on the server.All permissions have been removed from the local intranet zone.All permissions have been removed from the Internet zone.
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Improving WebApplication SecurityTh
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Contents xxvii.NET Remoting Securit
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Contents xxixStaying Secure (contin
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Contents xxxiASP.NET Architecture o
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Contents xxxiiiSummary ............
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Contents xxxvIndex of Checklists 68
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Contents xxxviiChecklistSecuring Da
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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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Forewords xlvForeword by Joel Scamb
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Forewords xlviiFinally, techniques
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Fast Track — How To Implementthe
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Part IIntroduction to Threats andCo
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4 Part I: Introduction to Threats a
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3Threat ModelingIn This Chapter●
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Chapter 3: Threat Modeling 47Threat
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Chapter 3: Threat Modeling 51Figure
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Chapter 3: Threat Modeling 61Note I
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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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11Building Secure ServicedComponent
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Part IVSecuring Your Network,Host,
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18Securing Your Database ServerIn T
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21Code ReviewIn This Chapter●●
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22Deployment ReviewIn This Chapter
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How To:Use URLScanApplies ToSummary
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patterns & practicesProven practice
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Improving Web Application Security: Threats and - CGISecurity

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