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PI89253: UNABLE TO USE ECDHE CIPHER ON OUTBOUND HANDSHAKE FROM HTTP SERVER PLUGIN.

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • The http servers httpd.conf has global directives
    
    SSLProtocolEnable TLSv11 TLSv12
    SSLCipherSpec C027
    SSLCipherSpec C02F
    
    To enable ciphers
    TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
    and
    TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
    
    However the http server plugin was not making use of these
    ciphers.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  IBM WebSphere Application Server V8.5 web   *
    *                  server plugin users on zOS                  *
    ****************************************************************
    * PROBLEM DESCRIPTION: Request to enable cipher specs C027     *
    *                      and C02F for zOS plugin to WebSphere    *
    *                      Application Server connections.         *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    Request to enable ciphers TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
    and TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 on secure
    connections between plugin and the WebSphere Application
    Servers.
    

Problem conclusion

  • Requested ciphers will be enabled when StrictSecurity is set n
    the zOS plugin.
    
    The fix for this APAR is currently targeted for inclusion in
    fix pack 8.5.5.14 and 9.0.0.6.  Please refer to the Recommended
    Updates page for delivery information:
    http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
    

Temporary fix

Comments

APAR Information

  • APAR number

    PI89253

  • Reported component name

    WEBSPHERE FOR Z

  • Reported component ID

    5655I3500

  • Reported release

    850

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-10-23

  • Closed date

    2017-11-08

  • Last modified date

    2017-11-08

  • 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

    WEBSPHERE FOR Z

  • Fixed component ID

    5655I3500

Applicable component levels

  • R850 PSY

       UP

[{"Business Unit":{"code":"BU053","label":"Cloud \u0026 Data Platform"},"Product":{"code":"SS7K4U","label":"WebSphere Application Server for z\/OS"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"850","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]

Document Information

Modified date:
19 October 2021