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.NET Framework Class Library
AspNetHostingPermissionLevel Enumeration

Updated: November 2007

Specifies the trust level that is granted to an ASP.NET Web application.

Namespace:  System.Web
Assembly:  System (in System.dll)
Visual Basic (Declaration)
<SerializableAttribute> _
Public Enumeration AspNetHostingPermissionLevel
Visual Basic (Usage)
Dim instance As AspNetHostingPermissionLevel
C#
[SerializableAttribute]
public enum AspNetHostingPermissionLevel
Visual C++
[SerializableAttribute]
public enum class AspNetHostingPermissionLevel
J#
/** @attribute SerializableAttribute */ 
public enum AspNetHostingPermissionLevel
JScript
public enum AspNetHostingPermissionLevel
Member nameDescription
None Indicates that no permission is granted. All demands for AspNetHostingPermission will fail.
Minimal Indicates that features protected with a demand for the Minimal level will succeed. This level allows code to execute but not to interact with resources present on the system. This level is granted by configuring at least the Minimal trust level using the trust section in a configuration file.
Low Indicates that features protected with a demand for any level less than or equal to the Low level will succeed. This level is intended to allow read-only access to limited resources in a constrained environment. This level is granted by specifying the Low trust level in the trust section in a configuration file.
Medium Indicates that features protected with a demand for any level less than or equal to the Medium level will succeed. This level is granted by configuring at least the Medium trust level in the trust section in a configuration file.
High Indicates that features protected with a demand for any level less than or equal to the High trust level will succeed. This level is intended for highly trusted managed-code applications that need to use most of the managed permissions that support semi-trusted access. It does not grant some of the highest permissions (for example, the ability to call into native code), but it does provide a way to run trusted applications with least privilege or to provide some level of constraints for highly trusted applications. This level is granted by configuring at least the High trust level in the trust section in a configuration file.
Unrestricted Indicates that all demands for permission to use all features of an application will be granted. This is equivalent to granting Full trust level in the trust section in a configuration file.

See ASP.NET Code Access Security for detailed information about the permissions that are granted to each trust level.

The members of this enumeration define application security levels ranging from full trust (the application is unconstrained by code access security) to minimal trust (the application has permission only to execute). You set the trust level for an ASP.NET resource with the trust configuration element in a Web.config or Machine.config file.

If you want to lock security policy for a specific server or Web site, use the location element in conjunction with the allowOverride=false attribute to ensure that trust policy settings cannot be overridden locally.

Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1
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