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HttpListenerRequest.ClientCertificateError Property

Gets an error code that identifies a problem with the X509Certificate provided by the client.

Namespace:  System.Net
Assembly:  System (in System.dll)

member ClientCertificateError : int with get

Property Value

Type: System.Int32
An Int32 value that contains a Windows error code.

ExceptionCondition
InvalidOperationException

The client certificate has not been initialized yet by a call to the BeginGetClientCertificate or GetClientCertificate methods

-or -

The operation is still in progress.

This property contains a Windows error code returned by the Secure Channel (Schannel) Security Support Provider Interface (SSPI), which is used to validate the certificate. For more information about SSPI support for Schannel, see "Creating a Secure Connection Using Schannel" in the Security documentation at http://msdn.microsoft.com/library.

The following code example checks this property to determine whether the request includes a valid client certificate.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.5.3, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, 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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