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HttpListener.ExtendedProtectionSelectorDelegate Property

Get or set the delegate called to determine the ExtendedProtectionPolicy to use for each request.

Namespace:  System.Net
Assembly:  System (in System.dll)
'Declaration
Public Property ExtendedProtectionSelectorDelegate As HttpListener.ExtendedProtectionSelector

Property Value

Type: System.Net.HttpListener.ExtendedProtectionSelector
A ExtendedProtectionPolicy that specifies the policy to use for extended protection.
ExceptionCondition
ArgumentException

An attempt was made to set the ExtendedProtectionSelectorDelegate property, but the CustomChannelBinding property must be Nothing.

ArgumentNullException

An attempt was made to set the ExtendedProtectionSelectorDelegate property to Nothing.

InvalidOperationException

An attempt was made to set the ExtendedProtectionSelectorDelegate property after the Start method was already called.

ObjectDisposedException

This object is closed.

PlatformNotSupportedException

An attempt was made to set the ExtendedProtectionSelectorDelegate property on a platform that does not support extended protection.

The ExtendedProtectionPolicy property is used with integrated Windows authentication to provide extended protection. The ExtendedProtectionPolicy property allows the configuration of the extended protection policy for the whole HttpListener session. The ExtendedProtectionSelectorDelegate property allows the configuration of the extended protection policy per individual request.

The CustomChannelBinding property must be Nothing. The HttpListener instance gets the Channel Binding Token (CBT) directly from its own TLS session if there is one.

For each request, the delegate can choose the settings that the HttpListener instance will use to provide extended protection.

If a delegate returns Nothing for this property, this represents a ExtendedProtectionPolicy which the PolicyEnforcement property set to Never.

.NET Framework

Supported in: 4.5.1, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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