IBM Support

IT35730: NON-PREEMPTIVE AUTHENTICATION MAY NOT WORK WITH ACE WHEN USING MULTIPLE AUTHENTICATION MECHANISMS.

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APAR status

  • Closed as program error.

Error description

  • When ACE is enabled to use multiple authentication mechanisms
    like NTLM, kerberos, it may fail the non-preemptive
    authentication. This is due to an invalid WWW-Authenticate
    response header being returned to the client by ACE
    

Local fix

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    All Users of IBM App Connect Enterprise 11.0 with NTLM or
    Kerberos authentication.
    
    
    Platforms affected:
    MultiPlatform
    
    ****************************************************************
    PROBLEM DESCRIPTION:
    <span style="background-color:rgb(255, 255, 255)">When ACE is
    enabled to use multiple authentication mechanisms </span><span
    style="background-color:rgb(255, 255, 255)">like NTLM, Kerberos,
    it may fail the non-preemptive </span><span
    style="background-color:rgb(255, 255, 255)">authentication. This
    is due to an invalid WWW-Authenticate response header being
    returned to the client by ACE.</span>
    

Problem conclusion

  • The product no longer creates an invalid <span
    style="background-color:rgb(255, 255, 255)">WWW-Authenticate
    response header. </span>
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
    Version    Maintenance Level
    v11.0      11.0.0.12
    
    The latest available maintenance can be obtained from:
    http://www-01.ibm.com/support/docview.wss?rs=849&uid=swg27006041
    
    If the maintenance level is not yet available,information on
    its planned availability can be found on:
    http://www-1.ibm.com/support/docview.wss?rs=849&uid=swg27006308
    ---------------------------------------------------------------
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT35730

  • Reported component name

    APP CONNECT ENT

  • Reported component ID

    5724J0550

  • Reported release

    B00

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2021-01-29

  • Closed date

    2021-03-25

  • Last modified date

    2021-03-25

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    APP CONNECT ENT

  • Fixed component ID

    5724J0550

Applicable component levels

[{"Line of Business":{"code":"LOB36","label":"IBM Automation"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSDR5J","label":"IBM App Connect Enterprise"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"B00"}]

Document Information

Modified date:
26 March 2021