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Create a Rule to Send an Authentication Method Claim

Published: April 8, 2010

Updated: May 5, 2010

Applies To: Active Directory Federation Services (AD FS) 2.0

You can use either the Send Group Membership as Claims rule template or the Transform an Incoming Claim rule template to send an authentication method claim. The relying party can use an authentication method claim to determine the logon mechanism that the user uses to authenticate and obtain claims from Active Directory Federation Services (AD FS) 2.0.  You can also use the Authentication Mechanism Assurance feature of Active Directory Domain Services (AD DS) in Windows Server 2008 R2 as input to generate authentication method claims for situations in which the relying party wants to determine the level of access based on smart-card logons.  For example, a developer can assign different levels of access to federated users of the relying party application based on whether the users log on with their user name/password credentials, as opposed to their smart cards.

noteNote
If you do not write an explicit rule to generate an authentication method claim, AD FS 2.0 will generate one automatically based on the logon method that the user uses to authenticate originally. For more information about the Authentication Mechanism Assurance feature, see What's New in AD DS: Authentication Mechanism Assurance (http://go.microsoft.com/fwlink/?LinkID=159947).

Depending on the needs of your organization, use one of the following procedures:

  • Create this rule using the Send Group Membership as Claims rule template - You can use this rule template when you want the group that you specify in this template to ultimately determine what authentication method claim to issue.

  • Create this rule using the Transform an Incoming Claim rule template - You can use this rule template in situations in which you want to change the existing authentication method to a new authentication method that will work with a product that does not understand standard AD FS authentication method claims.

  1. Click Start, point to Programs, point to Administrative Tools, and then click AD FS 2.0 Management.

  2. In the console tree, under AD FS 2.0\Trust Relationships, click either Claims Provider Trusts or Relying Party Trusts, and then click a specific trust in the list where you want to create this rule.

  3. Right-click the selected trust, and then click Edit Claim Rules.

  4. In the Edit Claim Rules dialog box, select one the following tabs, depending on the trust that you are editing and which rule set you want to create this rule in, and then click Add Rule to start the rule wizard that is associated with that rule set:

    • Acceptance Transform Rules

    • Issuance Transform Rules

    • Issuance Authorization Rules

    • Delegation Authorization Rules

  5. On the Select Rule Template page, under Claim rule template, select Send Group Membership as a Claim in the list, and then click Next.

  6. On the Configure Rule page, type a claim rule name.

  7. Click Browse, select the group whose members should receive this authentication method claim, and then click OK.

  8. In Outgoing claim type, select Authentication method in the list.

  9. In Outgoing claim value, type one of the default Uniform Resource Identifier (URI) values in the following table, depending on your preferred authentication method, click Finish, and then click OK to save the rule.

     

    Actual Authentication method Corresponding URI

    Username Password authentication

    http://schemas.microsoft.com/ws/2008/06/identity/authenticationmethod/password

    Windows authentication

    http://schemas.microsoft.com/ws/2008/06/identity/authenticationmethod/windows

    TLS Mutual authentication using X.509 certificates

    http://schemas.microsoft.com/ws/2008/06/identity/authenticationmethod/tlsclient

    X.509-based authentication that does not use TLS

    http://schemas.microsoft.com/ws/2008/06/identity/authenticationmethod/x509

    noteNote
    Other URI values can be used in addition to the values in the table. The URI values shown here reflect the URIs that the relying party will accept by default.

  1. Click Start, point to Programs, point to Administrative Tools, and then click AD FS 2.0 Management.

  2. In the console tree, under AD FS 2.0\Trust Relationships, click either Claims Provider Trusts or Relying Party Trusts, and then click a specific trust in the list where you want to create this rule.

  3. Right-click the selected trust, and then click Edit Claim Rules.

  4. In the Edit Claim Rules dialog box, select one the following tabs, depending on the trust that you are editing and which rule set you want to create this rule in, and then click Add Rule to start the rule wizard that is associated with that rule set:

    • Acceptance Transform Rules

    • Issuance Transform Rules

    • Issuance Authorization Rules

    • Delegation Authorization Rules

  5. On the Select Rule Template page, under Claim rule template, select Transform an Incoming Claim in the list, and then click Next.

  6. On the Configure Rule page, type a claim rule name.

  7. In Incoming claim type, select Authentication method in the list.

  8. In Outgoing claim type, select Authentication method in the list.

  9. Select Replace an incoming claim value with a different outgoing claim value, and then do the following:

    1. In Incoming claim value, type one of the following URI values based on the actual authentication method URI that was used originally, click Finish, and then click OK to save the rule.

    2. In Outgoing claim value, type one of the default URI values in the following table, depending on your new preferred authentication method choice, click Finish, and then click OK to save the rule.

     

    Actual Authentication method Corresponding URI

    Username Password authentication

    http://schemas.microsoft.com/ws/2008/06/identity/authenticationmethod/password

    Windows authentication

    http://schemas.microsoft.com/ws/2008/06/identity/authenticationmethod/windows

    TLS Mutual authentication using X.509 certificates

    http://schemas.microsoft.com/ws/2008/06/identity/authenticationmethod/tlsclient

    X.509-based authentication that does not use TLS

    http://schemas.microsoft.com/ws/2008/06/identity/authenticationmethod/x509

    noteNote
    Other URI values can be used in addition to the values in the table. The URI values shown here reflect the URIs that the relying party will accept by default.

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