Improving Web Application Security: Threats and - CGISecurity

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730 Improving Web Application Security: Threats and CountermeasuresServicesCheck DescriptionUnnecessary Microsoft Windows ® services are disabled on the database server.All optional services, including Microsoft Search Service, MSSQLServerADHelper, andSQLServerAgent, are disabled if not used by any applications.The Microsoft Distributed Transaction Coordinator (MS DTC) is disabled if it is not beingused by any applications.A least-privileged local/domain account is used to run the various SQL Server services,for example, back up and replication.ProtocolsCheck DescriptionAll protocols except TCP/IP are disabled within SQL Server. Check this using the ServerNetwork Utility.The TCP/IP stack is hardened on the database server.AccountsCheck DescriptionSQL Server is running using a least-privileged local account (or optionally, a least-privilegeddomain account if network services are required).Unused accounts are removed from Windows and SQL Server.The Windows guest account is disabled.The administrator account is renamed and has a strong password.Strong password policy is enforced.Remote logons are restricted.Null sessions (anonymous logons) are restricted.Approval is required for account delegation.Shared accounts are not used.Membership of the local administrators group is restricted (ideally, no more than twoadministration accounts).
Checklist: Securing Your Database Server 731Files and DirectoriesCheck DescriptionRestrictive permissions are configured on SQL Server installation directories (per the guide).The Everyone group does not have permission to access SQL Server installation directories.Setup log files are secured.Tools, utilities, and SDKs are removed or secured.Sensitive data files are encrypted using EFS (This is an optional step. If implemented, useEFS only to encrypt MDF files, not LDF log files).SharesCheck DescriptionAll unnecessary shares are removed from the server.Access to required shares is restricted (the Everyone group doesn’t have access).Administrative shares (C$ and Admin$) are removed if they are not required (MicrosoftManagement Server (SMS) and Microsoft Operations Manager (MOM) require these shares).PortsCheck DescriptionRestrict access to all ports on the server except the ports configured for SQL Server anddatabase instances (TCP 1433 and UDP 1434 by default).Named instances are configured to listen on the same port.Port 3389 is secured using IPSec if it is left open for remote Terminal ServicesadministrationThe firewall is configured to support DTC traffic (if required by the application).The Hide server option is selected in the Server Network Utility (optional).RegistryCheck DescriptionSQL Server registry keys are secured with restricted permissions.The SAM is secured (standalone servers only).
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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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Fast Track — How To Implementthe
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Part IIntroduction to Threats andCo
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10 Part I: Introduction to Threats
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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 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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