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我有一个自托管的 C# WCF .Net 4.6.1 Windows 服务，它与另一个自托管的 WCF 服务通信。当两个服务都在同一台服务器上时，这可以正常工作。但是，当我将服务器移动到另一台计算机时，我收到此错误：

System.ServiceModel.CommunicationException：套接字连接已中止。这可能是由于处理您的消息时出错或远程主机超出接收超时，或者是潜在的网络资源问题造成的。两台计算机上都没有运行防火墙，并且在使用http://192.168.1.129:6253/eTutorWcfService（在应用程序中使用 net.tcp）时得到响应。

客户app.config：

<bindings>
    <basicHttpBinding>
        <binding name="BasicHttpBinding_IeTutorMessage" />
    </basicHttpBinding>
    <netTcpBinding>
        <binding name="NetTcpBinding_IeTutorMessage" />
    </netTcpBinding>
</bindings>

<client>
    <endpoint name="BasicHttpBinding_IeTutorMessage" 
        address="http://localhost:6253/eTutorWcfService" 
        binding="basicHttpBinding"
        bindingConfiguration="BasicHttpBinding_IeTutorMessage" 
        contract="eTutorServiceReference.IeTutorMessage" />
    <endpoint name="NetTcpBinding_IeTutorMessage"
        address="net.tcp://localhost:6254/eTutorWcfService"
        binding="netTcpBinding"   
        bindingConfiguration="NetTcpBinding_IeTutorMessage"
        contract="eTutorServiceReference.IeTutorMessage" >
        <identity>
            <servicePrincipalName value = ""/>
        </identity>
    </endpoint>
</client>

服务器app.config：

<services>
    <service name="eTutorServer.eTutorWcfService" 
             behaviorConfiguration="myeTutorServiceBehavior">
        <host>
            <baseAddresses>
                <add baseAddress="http://localhost:6253/eTutorWcfService"/>
                <add baseAddress="net.tcp://localhost:6254/eTutorWcfService"/>
            </baseAddresses>
        </host>
        <endpoint  
            address="http://localhost:6253/eTutorWcfService" 
            binding="basicHttpBinding" 
            contract="eTutorServer.IeTutorMessage" />
        <endpoint 
            address="net.tcp://localhost:6254/eTutorWcfService" 
            binding="netTcpBinding" 
            contract="eTutorServer.IeTutorMessage" />
        <endpoint 
            address="mex" 
            binding="mexHttpBinding" 
            contract="IMetadataExchange"/>
        <endpoint 
            address="mex" 
            binding="mexTcpBinding" 
            contract="IMetadataExchange"/>
    </service>
</services>
<behaviors>
    <serviceBehaviors>
        <behavior name="myeTutorServiceBehavior">
            <serviceMetadata httpGetEnabled="true"/>
        </behavior>
    </serviceBehaviors>
</behaviors>

客户端代码：

EndpointAddress address = new EndpointAddress("net.tcp://" + eTutorServiceIp + ":6254/eTutorWcfService");
eTutorServiceReference.IeTutorMessageClient client = new eTutorServiceReference.IeTutorMessageClient("NetTcpBinding_IeTutorMessage", address);

try
{
    rtn = client.eTutorMessage(itm);
    client.Close();
}

当客户端尝试连接时，服务器的输出窗口会显示一个SecurityTokenValidationException但我不确定该怎么做，或者它是否意味着相关的东西。我确定这与安全性有关，但我不知道在哪里添加什么。

4

2 回答 2

1

首先，Nettcpbinding 使用传输安全模式，默认使用 windows 凭据对客户端进行身份验证。
WCF抛出服务器拒绝客户端凭据的异常，WCF中NetTCP的默认安全模式是什么
那么，当我们更改服务器配置并重新托管服务时，我们应该在调用它时重新生成客户端代理类. 此外，我们可能需要更改客户端配置中的端点地址，因为 localhost 是默认生成的。

我可以忍受这个，但真的很想知道如何在没有安全性的情况下做到这一点。

最后，当我们将安全性更改为无时，客户端无需提供凭据即可调用服务。我建议您重新托管服务并重新生成客户端代理类。我做了一个demo，希望对你有用。

服务器端（控制台应用程序） 

class Program
    {
        static void Main(string[] args)
        {
            using (ServiceHost sh=new ServiceHost(typeof(MyService)))
            {
                sh.Opened += delegate
                {
                    Console.WriteLine("Service is ready......");
                };
                sh.Closed += delegate
                {
                    Console.WriteLine("Service is closed");
                };
                sh.Open();
                Console.ReadLine();
                sh.Close();

            }
        }
    }
    [ServiceContract]
    public interface IService
    {
        [OperationContract]
        string SayHello();
    }
    public class MyService : IService
    {
        public string SayHello()
        {
            return "Hello Stranger";
        }
}

应用程序配置 

<system.serviceModel>
    <services>
      <service behaviorConfiguration="Service1Behavior" name="VM1.MyService">
        <endpoint address="" binding="netTcpBinding" bindingConfiguration="mybinding" contract="VM1.IService" >
        </endpoint>
        <endpoint address="mex" binding="mexTcpBinding" contract="IMetadataExchange"/>
        <host>
          <baseAddresses>
            <add baseAddress="net.tcp://localhost:13007/"/>
          </baseAddresses>
        </host>
      </service>
    </services>
    <bindings>
      <netTcpBinding>
        <binding name="mybinding">
          <security mode="None">
          </security>
        </binding>
      </netTcpBinding>
    </bindings>
    <behaviors>
      <serviceBehaviors>
        <behavior name="Service1Behavior">
          <serviceMetadata />
          <serviceDebug includeExceptionDetailInFaults="False"/>
        </behavior>
      </serviceBehaviors>
    </behaviors>
  </system.serviceModel>

客户端。 

ServiceReference1.ServiceClient client = new ServiceReference1.ServiceClient();
            try
            {
                Console.WriteLine(client.SayHello());
            }
            catch (Exception)
            {

                throw;
            }

应用程序配置 

    <system.serviceModel>
        <bindings>
            <netTcpBinding>
                <binding name="NetTcpBinding_IService">
                    <security mode="None" />
                </binding>
            </netTcpBinding>
        </bindings>
        <client>
<!--we may need to change the generated endpoint address to autual server IP address.-->
            <endpoint address="net.tcp://10.157.13.69:13007/" binding="netTcpBinding"
                bindingConfiguration="NetTcpBinding_IService" contract="ServiceReference1.IService"
                name="NetTcpBinding_IService" />
        </client>
</system.serviceModel>

如果有什么我可以帮忙的，请随时告诉我。

于 2019-01-07T02:36:34.577 回答
0

I added the following code and it works:

client.ClientCredentials.Windows.ClientCredential.UserName = runAs;
client.ClientCredentials.Windows.ClientCredential.Password = runAsPassword;
client.ClientCredentials.Windows.ClientCredential.Domain = runAsDomain;

However, I'd like to do this without security since it will be placed on multiple servers, none of which will have a public IP. I've tried to add to the bindings but on the client it's not a valid node and on the server, it stops the service from starting. I tried to add the following code to the server but it won't open the ServiceHost:

serviceHost.AddServiceEndpoint(typeof(eTutorWcfService), new NetTcpBinding(SecurityMode.None), "");

I can live with this but would really like to know how to do it without security.

于 2019-01-02T13:43:44.203 回答