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Walkthrough: Using the Message Security Mode with the WCF-NetTcp Adapter

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Note

For more information about adapters, see Adapters in BizTalk Server.

Introduction

This walkthrough shows how to configure the WCF-NetTcp adapter to use the Windows Communication Foundation (WCF) Message security mode, which uses the WS-Security specification to help secure messages that the adapter transmits. This specification describes enhancements to the SOAP messaging protocol to accomplish confidentiality, integrity, and authentication at the SOAP message level. Message security mode requires the service certificate to be specified for operations such as encryption/decryption and signing/verification purposes depending on the security mode combinations.

The WCF-NetTcp adapter uses the NetTcpBinding binding to communicate between WCF clients and WCF remote services. It provides full access to SOAP security, reliability, and transaction features. It allows orchestrations and schemas to be published as WCF services, and also provides the ability for an orchestration to consume external WCF services. This adapter uses the TCP transport, and messages have binary encoding. The WCF-NetTcp adapter consists of both a send adapter and a receive adapter.

This walkthrough shows how to create certificates for Message security mode by using the Active Directory Certificate Service. You will create certificates for the server and the client, and then configure a WCF-NetTcp receive location to use the certificates in Message security mode. By using a WCF client, you will send messages to that receive location in an encrypted state according to XML Encryption Syntax and Processing.

After completing this walkthrough, you will understand how to perform the following tasks:

  • Use the Active Directory Certificate Service to create a certificate request and complete the process by issuing the certificate.

  • From the BizTalk Server Administration console, configure the WCF-NetTcp adapter to use the Message security mode.

Prerequisites

To perform the steps in this sample ensure that your environment installs the following prerequisites;

  • Both the computer that builds the assemblies and runs the deployment process, and the computer that runs the sample, require Microsoft Windows Server 2008 SP2, Microsoft .NET Framework 4.5, and Microsoft BizTalk Server.

  • The computer used to build the assemblies and run the deployment process requires Microsoft Visual Studio.

  • The computer that runs the sample requires the WCF Adapters and the WCF Administration Tools. These are options to install during setup of Microsoft BizTalk Server.

  • On the computers that you use to perform administrative tasks, you must run as a user account that is a member of the BizTalk Server Administrators group to configure the BizTalk Server application settings within the BizTalk Server Administration console. This user account must also be a member of the local Administrators group for application deployment, managing host instances, and other tasks that may be required.

  • On any computer that requires WCF capability, complete the one-time setup procedure for the WCF samples at https://go.microsoft.com/fwlink/?LinkId=135510.

  • On the computer that runs the sample and imports a binding or an .msi file into BizTalk Server, ensure the host is not a trusted host or the import will fail.

  • On the computer that runs the sample ensure that Active Directory Certificate Services is installed.

  • You must download the walkthrough code and extract it to your computer. This walkthrough is a part of the entire WCF Adapter Walkthrough package. You can download the file WCFAdapterWalkthroughs.exe from the BizTalk Server Developer Center at https://go.microsoft.com/fwlink/?LinkId=194140.

Create the certificates for this walkthrough

  1. In this section you will request service and client certificates, issue the certificates, and install them into the appropriate stores. Active Directory Certificate Services is used to create a certificate with a trusted certificate chain. If you did not install Active Directory Certificate Services as part of the Prerequisites, then install Active Directory Certificate Services on your computer. If it is already installed, go to step 2.

    1. Click Start, point to Administrative Tools, and then click Server Manager.

    2. Under the Server Manager node, click Add, and then click Roles.

    3. This brings up the Before you begin dialog for the Add Roles Wizard. Click Next.

    4. On the Select Server Roles page, select Active Directory Certificate Services, click Next, and then follow the on-screen instructions to complete the installation.

  2. Create a certificate request for the service authentication as follows:

    1. In Internet Explorer, visit the Web site http://localhost/certsrv. On the Welcome page, click Request a Certificate, and then click Advanced certificate request on the Request a Certificate page.

      Note

      When using Windows Server 2008 SP2 as the certificate authority and requesting a certificate request from a Windows Server 2008 SP2 computer, you may get the error “In order to complete certificate enrollment, the Web site for the CA must be configured to use HTTPS authentication”. If this error occurs, the enrollment website needs to be configured with a Web Certificate (SSL). Refer to these links for details in accomplishing this task:

      AD CS: Web Enrollment

      IIS Server Certificate Installation Instructions

    2. On the Advanced Certificate Request page, click Create and submit a request to this CA.

    3. On the Advanced Certificate Request page, type localhost in the Name text box, select Server Authentication Certificate from the Type of Certificate Needed drop-down list, and then click Submit.

  3. Create a certificate request for client authentication as follows:

    1. In Internet Explorer, visit the Web site http://localhost/certsrv. On the Welcome page, click Request a Certificate, and then click Advanced certificate request on the Request a Certificate page.

    2. On the Advanced Certificate Request page, click Create and submit a request to this CA.

    3. On the Advanced Certificate Request page, type contoso in the Name text box, select Client Authentication Certificate from the Type of Certificate Needed drop-down list, and then click Submit.

    Note

    The client authentication certificate is used if you are running BizTalk Server on machine other than the Domain Controller. This will be configured in the adapter’s property dialog.

  4. Issue the certificates by using the Certification Authority management console as follows:

    1. Click Start, point to Administrative Tools, and then click Certification Authority.

    2. In the Certification Authority management console, expand your certification authority's name, and then double-click Pending Request.

    3. In the right pane of the Certification Authority management console, right-click the request for the service authentication certificate, point to All Tasks, and then click Issue.

    4. In the right pane of the Certification Authority management console, right-click the request for the client authentication certificate, point to All Tasks, and then click Issue.

    5. Close the Certification Authority management console.

  5. Install the issued certificates on your computer as follows:

    1. In Internet Explorer, visit the Web site http://localhost/certsrv.

    2. On the Welcome page, click View the status of a pending certificate request.

    3. On the View the Status of a Pending Certificate Request page, click the server authentication certificate.

    4. On the Certificate Issued page, click Install this Certificate.

    5. In Internet Explorer, visit the Web site http://localhost/certsrv.

    6. On the Welcome page, click View the status of a pending certificate request.

    7. On the View the Status of a Pending Certificate Request page, click the client authentication certificate.

    8. On the Certificate Issued page, click Install this Certificate.

  6. Make sure that the issued certificates are installed properly as follows:

    1. Open Microsoft Management Console (MMC). To do so, click Start, click Run, type mmc, and then click OK.

    2. In the MMC, on the File menu, click Add/Remove Snap-in.

    3. In the Add/Remove Snap-in dialog box, click Add.

    4. In the Add Standalone Snap-in dialog box, select Certificates from the Available standalone snap-in list, and then click Add.

    5. In the Certificate snap-in dialog box, select the My user account option, and then click Finish.

    6. Close all of the open dialog boxes.

    7. In the MMC, in the Console Root window, expand Certificates - Current User, expand Personal, expand Certificates, and then make sure that the certificates that you installed in the previous step are displayed.

Create the BizTalk application for this walkthrough

  1. Click Start, point to All Programs, point to Microsoft BizTalk Server 20xx, and then click BizTalk Server Administration.

  2. In the BizTalk Server Administration console, expand BizTalk Group, right-click Applications, point to New, and then click Application.

  3. In the Application Properties dialog box, on the General tab, type WcfMessageSecurity, and then click OK.

  4. Create a receive location using the WCF-NetTcp adapter for the BizTalk application as follows:

    1. In the BizTalk Server Administration console, expand WcfMessageSecurity, right-click Receive Ports, point to New, and then click One-way Receive Port.

    2. In the Receive Port Properties dialog box, in the Name text box, type WcfMessageSecurity.OrderRequest.Receive, and then click OK. The name of this receive port is strictly arbitrary but this name makes logical sense.

    3. In the BizTalk Server Administration console, right-click Receive Locations, click New, and then click One-way Receive Location. The WCF client will send a WCF message to this receive location. Select the WcfMessageSecurity.OrderRequest.Receive recive port, and then click OK.

    4. In the Receive Location Properties dialog box, in the Name text box, type WcfMessageSecurity.OrderRequest.Receive.NetTcp. The name of this receive location is strictly arbitrary but this name makes logical sense.

    5. In the Receive Location Properties dialog box, in the Transport section next to Type, select WCF-NetTcp from the drop-down list, and then click Configure.

    6. In the WCF-NetTcp Transport Properties dialog box, on the General tab, in the Address (URI) text box, type net.tcp://localhost/WcfMessageSecurity.

    7. In the WCF-NetTcp Transport Properties dialog box, on the Security tab, select Message from the Security mode drop-down list, and then select Certificate from the Message client credential type drop-down list. This configures the WCF-NetTcp adapter to use the Message security mode.

    8. Configure the service certificate to use with Message security mode. In the WCF-NetTcp Transport Properties dialog box, in the Service certification section, click Browse. In the Select service certificate dialog box, select the server authentication certificate you installed in the previous procedure, and then click OK to close the dialog box and save the changes.

    9. Close all of the open dialog boxes.

      Note

      To authenticate the client certificates with the WCF receive adapters, the CA certificate chain for the client certificates must be installed in the Trusted Root Certification Authorities certificate store of the computer running the host instances for the WCF adapters. Because this walkthrough assumes that the certificate service is installed on the same computer as the WCF client and the WCF adapters, you do not have to install the CA certificate chain on your computer.

  5. Create a FILE send port for the BizTalk application. This is the location where the order request output message will be sent by the orchestration representing the WCF service.

    1. In the BizTalk Server Administration console, expand WcfMessageSecurity, right-click Send Ports, point to New, and then click Static One-way Send Port.

    2. In the Send Port Properties dialog box, on the General tab, in the Name text box, type WcfMessageSecurity.OrderRequest.Send.FILE.

    3. In the Send Port Properties dialog box, in the Transport section next to Type, select FILE from the drop-down list, and then click Configure.

    4. In the FILE Transport Properties dialog box, on the General tab, type C:\WCFMessageSecurity\OrderRequestOut in the Destination folder text box, and then click OK.

    5. In the Send Port Properties dialog box, on the Filters tab, select BTS.ReceivePortName for the Property field, enter WcfMessageSecurity.OrderRequest.Receive for the Value field, and then click OK. This filter expression routes the incoming WCF messages from the client into the WcfMessageSecurity.OrderRequest.Receive receive port to this send port.

Test the WCF client against the BizTalk application

  1. In the BizTalk Server Administration console, right-click WcfMessageSecurity, and then click Start. In the Start dialog box, click Start.

  2. In the BizTalk Server Administration console, expand Platform Settings, expand Host Instances, right-click BizTalkServerApplication or another appropriate host instance, and then click Restart.

  3. Create a folder named C:\WCFMessageSecurity for the working folder for this walkthrough. Extract the walkthrough files to this folder.

  4. In Visual Studio, open the WcfMessageSecurity.sln file in the C:\WCFMessageSecurity folder.

  5. In Visual Studio, in Solution Explorer, expand WcfClient, and then open Program.cs to review.

    • The client sends a message to the WCF-NetTcp receive location that you created in the previous procedure.

    • The client creates a channel with the NetTcpBinding, and then configures the binding to use certificates for the client credential type.

    • The client configures the endpoint behavior to use the client authentication certificate that you installed in the previous procedure for the client authentication.

    • The class, Program, implements the IClientMessageInspector and IEndpointBehavior interfaces to display outgoing WCF messages from this client at a command prompt.

  6. In Visual Studio, in Solution Explorer, right-click the WcfMessageSecurity solution, and then click Rebuild.

  7. In Visual Studio, on the Debug menu, click Start Without Debugging to run the WcfClient to send a message to the WCF-NetTcp receive locations. A command prompt appears to show the execution result.

    1. At the command prompt, review the order request message. Pay attention to the OrderId field and the structure of the message.

    2. At the command prompt, go to the C:\WCFMessageSecurity\OrderRequestOut folder, and then make sure the order request message sent by the WCF client appears.

    3. Close the command prompt.