HttpListener.IgnoreWriteExceptions Property

Gets or sets a Boolean value that specifies whether your application receives exceptions that occur when an HttpListener sends the response to the client.

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

member IgnoreWriteExceptions : bool with get, set

Property Value

Type: System.Boolean
true if this HttpListener should not return exceptions that occur when sending the response to the client; otherwise false. The default value is false.

ExceptionCondition
ObjectDisposedException

This object has been closed.

Set this property to true if your application does not require that a response is successfully sent to each client.

The following code example demonstrates setting this property.

public static void SimpleListenerWithUnsafeAuthentication(string[] prefixes)
{
    // URI prefixes are required, 
    // for example "http://contoso.com:8080/index/".
    if (prefixes == null || prefixes.Length == 0)
      throw new ArgumentException("prefixes");
    // Set up a listener.
    HttpListener listener = new HttpListener();
    foreach (string s in prefixes)
    {
        listener.Prefixes.Add(s);
    }
    listener.Start();
    // Specify Negotiate as the authentication scheme.
    listener.AuthenticationSchemes = AuthenticationSchemes.Negotiate;
    // If NTLM is used, we will allow multiple requests on the same 
    // connection to use the authentication information of first request. 
    // This improves performance but does reduce the security of your  
    // application. 
    listener.UnsafeConnectionNtlmAuthentication = true;
    // This listener does not want to receive exceptions  
    // that occur when sending the response to the client.
    listener.IgnoreWriteExceptions = true;
    Console.WriteLine("Listening...");
    // ... process requests here.

    listener.Close();
}

.NET Framework

Supported in: 4.5, 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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