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Status Not under consideration
Categories Runtime
Created by Guest
Created on Sep 26, 2017

impact for CICs with z/OS maintenance (ciphers)

We recently applied maintenance on our z/OS LPAR
The APAR OA47405 and OA48868 have an impact on the cipher suites, but the CICS systems are not awared of these modifications
We would like to have a APAR generated for CICS too when z/OS maintenance has an impact on "CICS component"

Idea priority Medium
  • Guest
    Reply
    |
    May 22, 2018

    We have assessed this requirement. We have no current plans for this to be implemented and so this requirement is being declined at this point. The requirement will be kept in the RFE system and might be reassessed in the future. You also have an opportunity to resubmit in twelve months time if you wish it to be reconsidered then.

  • Guest
    Reply
    |
    Dec 19, 2017

    Sylvie,

    All the information relating to the cipher removal is put on the security portal.
    The System SSL PTF would refer to this so that customers are made aware that a change will be made
    that will affect multiple products (IBM, vendor and customer written) to protect the entire z/OS system.
    It would not be possible for System SSL PTF to list every possible product that may be affected by a change to the default cipher list.

    There are corresponding CICS PTFs but they only serve to ensure that CICS is protected even if the System SSL PTFs are not applied
    (i.e. both product PTFs perform the same function and having either or both applied protects CICS).
    The CICS PTFS also refer to security portal.
    We have made efforts to improve the PTF tracking comments when a CICS PTF affects the available ciphers.

    Where possible we mention other APARs in the words of the CICS APAR,
    but unfortunately there is no way that we can link System SSL PTFs to a CICS PTFs via co-reqs.

    Note that CICS issues appropriate messages to indicate that the available ciphers have been reduced.