IBM Support

IT33552: Using MQ Explorer against IBM MQ v9.0 z/OS to create a channel does not enable the selection of certain SSL ciphers.

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APAR status

  • Closed as program error.

Error description

  • CipherSpecs are showing on MQ Explorer for Queue Managers on
which they are not supported

Local fix

  • Use the Command line to create/view/update channel using the
missing ciphers.

Problem summary

  • ****************************************************************
USERS AFFECTED:
This issue affects users of the IBM MQ Explorer who want to
add/change the channel CipherSpec option on a channel of a queue
manager running on an IBM MQ v9.0 on z/OS.


Platforms affected:
Linux on x86-64, Windows, z/OS

****************************************************************
PROBLEM DESCRIPTION:
If Queue Manager is running on IBM MQ v9.0 z/OS and accessing
this via IBM MQ Explorer running v9.x, the channels SSL
properties does not show all the available ciphers in the drop
down list.

The missing CipherSpecs are:

ECDHE_RSA_AES_128_GCM_SHA256
ECDHE_RSA_AES_256_GCM_SHA384

Problem conclusion

  • IBM MQ Explorer was updated to show all the supported
CipherSpecs options when connected to a queue manager running on
an IBM MQ v9.0 z/OS.

---------------------------------------------------------------
The fix is targeted for delivery in the following PTFs:

Version    Maintenance Level
v9.1 LTS   9.1.0.7
v9.2 LTS   9.2.0.2

The latest available maintenance can be obtained from
'WebSphere MQ Recommended Fixes'
http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037

If the maintenance level is not yet available information on
its planned availability can be found in 'WebSphere MQ
Planned Maintenance Release Dates'
http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309
---------------------------------------------------------------

Temporary fix

  • 



Comments


    

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APAR Information




    

  • APAR number
    IT33552
    • 

  • Reported component name
    IBM MQ BASE MP
    • 

  • Reported component ID
    5724H7271
    • 

  • Reported release
    910
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2020-07-15
    • 

  • Closed date
    2020-08-13
    • 

  • Last modified date
    2020-08-13
    • 





    

  • 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
    IBM MQ BASE MP
    • 

  • Fixed component ID
    5724H7271
    • 



Applicable component levels


    








      
              
                            

              

              [{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"910","Line of Business":{"code":"LOB45","label":"Automation"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            14 August 2020
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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