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Authorization.ConnectionGroupId Property

Gets a unique identifier for user-specific connections.

Namespace:  System.Net
Assembly:  System (in System.dll)
'Declaration
Public ReadOnly Property ConnectionGroupId As String

Property Value

Type: System.String
A unique string that associates a connection with an authenticating entity.

The ConnectionGroupId property is a unique string that associates a connection with a specific authenticating entity. For example, the NTLM authorization module ties the authentication credential information to a specific connection to prevent invalid reuse of the connection.

The following code example uses the ConnectionGroupId property to get the group identifier returned by the server. For a complete example, refer to the AuthenticationManager class.


        ' Create the encrypted string according to the Basic authentication format as 
        ' follows: 
        ' a)Concatenate the username and password separated by colon; 
        ' b)Apply ASCII encoding to obtain a stream of bytes; 
        ' c)Apply Base64 encoding to this array of bytes to obtain the encoded  
        ' authorization. 
        Dim BasicEncrypt As String = MyCreds.UserName + ":" + MyCreds.Password

        Dim BasicToken As String = "Basic " + Convert.ToBase64String(ASCII.GetBytes(BasicEncrypt))

        ' Create an Authorization object using the encoded authorization above. 
        Dim resourceAuthorization As New Authorization(BasicToken)

        ' Get the Message property, which contains the authorization string that the  
        ' client returns to the server when accessing protected resources.
        Console.WriteLine(ControlChars.Lf + " Authorization Message:{0}", resourceAuthorization.Message)

        ' Get the Complete property, which is set to true when the authentication process  
        ' between the client and the server is finished.
        Console.WriteLine(ControlChars.Lf + " Authorization Complete:{0}", resourceAuthorization.Complete)

        Console.WriteLine(ControlChars.Lf + " Authorization ConnectionGroupId:{0}", resourceAuthorization.ConnectionGroupId)

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, 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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