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":"LOB45","label":"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
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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