JoanComasFdz

 <services>
      <service name="<YOUR_SERVICE_NAMESPACE.<YOUR_SERVICE_NAME">
        <!--
          Dual http binding
        -->
        <endpoint address=""
          binding="wsDualHttpBinding" bindingConfiguration="WSDualHttpBinding_<YOUR_SERVICE_INTERFACE>"
          contract="<YOUR_SERVICE_NAMESPACE.<YOUR_SERVICE_INTERFACE>">
          <identity>
            <dns value="localhost" />

JoanComasFdz

using System;
using System.ServiceModel;
using <YORU_SERVICE_NAMESPACE>;

namespace <YORU_APP_NAMESPACE>
{
    class Program
    {
        static void Main(string[] args)
        {

JoanComasFdz

using System;
using System.ServiceModel;
using <YOUR_SERVICE_NAMESPACE>;

namespace <YOUR_APP_NAMESPACE>
{
    /// <summary>
    /// This class receives the callbacks from the server.
    /// </summary>
    public class CallbackGetter : <YOUR_SERVICE_CALLBACK_INTERFACE>

JoanComasFdz

  </bindings>
      <wsDualHttpBinding>
        <binding name="WSDualHttpBinding_<YOUR_SERVICE_INTERFACE>" closeTimeout="00:01:00"
            openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00"
            bypassProxyOnLocal="false" transactionFlow="false" hostNameComparisonMode="StrongWildcard"
            maxBufferPoolSize="524288" maxReceivedMessageSize="65536"
            messageEncoding="Text" textEncoding="utf-8" useDefaultWebProxy="true">
          <readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384"
              maxBytesPerRead="4096" maxNameTableCharCount="16384" />
          <reliableSession ordered="true" inactivityTimeout="00:10:00" />

JoanComasFdz

<netTcpBinding>
	<binding name="DuplexNetTcpBinding_<YOUR_SERVICE_INTERFACE>"
		sendTimeout="00:00:10"
		portSharingEnabled="false">
        </binding>
</netTcpBinding>

JoanComasFdz

<services>
      <service name="<YOUR_SERVICE_NAMESPACE.<YOUR_SERVICE_NAME">
        <!--
          Dual http binding
        -->
        <endpoint address=""
          binding="wsDualHttpBinding" bindingConfiguration="WSDualHttpBinding_<YOUR_SERVICE_INTERFACE>"
          contract="<YOUR_SERVICE_NAMESPACE.<YOUR_SERVICE_INTERFACE>">
          <identity>
            <dns value="localhost" />

JoanComasFdz

<serviceBehaviors>
	<behavior name="Behaviour_<YOUR_SERVICE_INTERFACE>" >
          <serviceMetadata />
	</behavior>
</serviceBehaviors>

JoanComasFdz

using System;
using System.ServiceModel;
using <YOUR_SERVICE_NAMESPACE>;

namespace Host_Service_with_callbacks_via_tcp
{
    class Program
    {
        static void Main(string[] args)
        {

JoanComasFdz

using System;
using System.ServiceModel;
using Client_Service_with_callbacks_via_tcp.<YOUR_SERVICE_NAME>;

namespace Client_Service_with_callbacks_via_tcp
{
    class Program
    {
        /// <summary>
        /// Handles the callbacks from the server following

JoanComasFdz

public class CustomValidator : UserNamePasswordValidator
{
    public override void Validate(string user_name, string password)
    {
        if (string.IsNullOrEmpty(user_name) || string.IsNullOrEmpty(password))
            throw new SecurityTokenException("Username and password required");
        if (!(user_name == "test" && password == "test"))
            throw new SecurityTokenException("Wrong username or password.");

        // Not throwing exceptions indicates