• saurabs

    WCF: REST WCF Integration with HTML 5 and Windows 8 Store Applications

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    Issue: I happen to work with this customer where they required to consume the REST WCF service hosted on IIS and windows service via HTML 5 and Windows 8 store application. Problem : To get the HTML 5 and windows store 8 app connect to REST...
  • saurabs

    WCF: Discover <identity> In WCF World

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    What is service identity in WCF WSDL ? For normal basicHttpBinding we use one directional authentication where only service authenticates the client. For dual authentication, we allow client to authenticate the service as well. With WS Standard...
  • saurabs

    WCF: INTEROP - SCENERIOS

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    WCF: INTEROP ERROR: The security header element 'Timestamp' with the 'Timestamp-b82acb5a-c863-428d-a8c9-0928ae3fe651' id must be signed. STACK: <ExceptionType>System.ServiceModel.Security.MessageSecurityException, System.ServiceModel...
  • saurabs

    WCF: Observing Message ProtectionOrder

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    WCF: Observing Message ProtectionOrder Objective 1: Impact of Protection Order Objective 2: How to observe/confirm that my request is signed and encrypted from WCF traces. Objective 3: Utilize the knowledge of reading WCF traces...
  • saurabs

    WCF: Dual Layer Encryption (Message + Transport)

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    WCF: Dual Layer Encryption (Message + Transport) What I want to do ? I want to encrypt the Message body via server cert and client cert negotiation at Message level . Plus I would like to send complete stuff in an SSL encrypted Transport channel...
  • saurabs

    Live Debugging - Manage Code

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    Live Debugging - Manage Code Introduction: We will learn how to use windbg to perform Live debugging on manage code. Requirement: Windbg ( http://msdn.microsoft.com/en-us/windows/hardware/gg463009.aspx ) SOS Extension ( http:/...
  • saurabs

    WCF: Debugging WCF Throttling

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    Behavior: w3wp process stops responding to the incoming request and recycling app pool fixes the problem. Data Collection: Download and Install DebugDiag from http://www.microsoft.com/download/en/details.aspx?id=26798 Click cancel...
  • saurabs

    WCF: Transport Layer Security - with client certificates

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    WCF-Transport Layer Security - with client certificates Requiremnt: HTTPS/SSL Channel Authentication mode Certificate Windows / NTLM WCF HOST: IIS Certificates Authentication on Transport Layer - IIS ...
  • saurabs

    WCF: Handling multiple IIS bindings

    • 1 Comments
    WCF: Handling multiple IIS bindings - This collection already contains an address with scheme http Environment: IIS configured for multiple bindings with different host headers. WCF Reporting Error: This collection already contains an address...
  • saurabs

    WCF: Transport Security with User Name + Client Certificate

    • 3 Comments
    WCF: Transport Security with User Name + Client Certificate Vast world of WCF provides endless possibilities to handle the security. This is one interesting scenario, where service needs to get dual layer of credentials . Along with the valid...
  • saurabs

    WCF: Learning Impersonation and Delegation

    • 1 Comments
    Configure DC: Please follow link to configure your domain controller. http://techsthing.com/2012/how-to-create-a-domain-controller-using-the-dcpromo-command/ Add all three boxes (A, B, C) to your new DC. First Box/Domain Controller/Client...
  • saurabs

    WCF: Troubleshooting Socket Abort Errors

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    WCF: Troubleshooting Socket Abort Error ============================================================================================================================================================ Scenario 1: Client: Console application...
  • saurabs

    WCF: Create client proxy – For WCF service running on SSL – with client certificate

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    WCF: Create client proxy – For WFC service Running On SSL – With Client Certificate Problem: We can’t use the default svcutil.exe to pass the client certificates. Resolution: So we have two work around. 1) Use the modified...
  • saurabs

    WCF: Learning Impersonation

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    Learning Impersonation in WCF services What is Impersonation ? Ability of a thread to execute in a security context that is different from the context of the process that owns the thread When running in a client's security context, a service...
  • saurabs

    IIS: Handling WCF Client Certificate

    • 4 Comments
    WCF - TRANSPORT SECURITY – IIS - HANDLING CLIENT CERTIFICATES 1:1 Mapping -2003 Performs the client certificate authentication and maps it to windows account. Once the client certificate is mapped, it is authorized based on the windows...
  • saurabs

    WCF - Interop - Understanding Protection Level

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    WCF: Interop – Understanding Protection level Protection level is a very important parameter to consider while working on WCF Introp scenarios. Can be defined on ( only via code ) Service contract level Operation contract level...
  • saurabs

    IIS: Configure local certificate authority on IIS 6 - Server 2003

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    Configuring the Local Certificate Authority on Server 2003 1) Install the local CertificateAuthority. Go to control panel- > Add Windows component 2) Once this is done, run the certificate authority from the Administrative tool. ...
  • saurabs

    WIF: WIF Adding Values to WCF security (Security Mode: Message, Client Credential Type: User Name / Password)

    • 0 Comments
    How can WIF help in simplifying WCF security ? Traditionally we have UserNamePasswordValidator class to do the job from WCF layer ( http://msdn.microsoft.com/en-us/library/aa702565.aspx ). But not good for developer, they would like to implement...
  • saurabs

    Monitor Certificate - SSL handshake

    • 4 Comments
    Certificate -SSL handshake - Monitor So, the certificates which are used on Transport level during SSL handshake can be monitored using Network monitoring tool such as Netmon. http://www.microsoft.com/downloads/en/details.aspx?FamilyID=983b941d...
  • saurabs

    Http Get v/s Mex End Point

    • 1 Comments
    What is Mex End point? The Metadata Exchange Endpoint (MEX) is a special endpoint in WCF that exposes metadata used to describe a service. In previous releases of WCF, the MEX was implicitly added to all services. However, due to security reasons...
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