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Status Not under consideration
Workspace z/OS
Categories Communications Server
Created by Guest
Created on Apr 19, 2024

RELATED IDEAS

Add Certificate Information to TLS command

When updating our certificates in our environment we would use a packet trace to confirm that our certificate updates occurred. This method worked since in TLS 1.2 and earlier the Server Hello would have the certificate in visible in the flow.

However, with the TLS 1.3 this is no longer possible as the TLS handshake encrypts all certificates that are being sent. At this point we can no longer use the technique that we used before to verify proper certificate updates. Note that we can not use the SMF type 119 sub 11 records as we do not have that on due to the volume issues it would cause. The sub 12 records do not have the Certificate date information.

Idea priority High
  • Guest
    Reply
    |     Oct 9, 2024

    This is still going to be an issue as due to our volume we can capture type 12 records.  We are now starting to move aggressively to TLS 1.3 .  There is no reason that a control block could not include the certificate information and displayed as part of a dynamic command.   

     

    1 reply
  • Guest
    Reply
    |     Apr 26, 2024
    One workaround would be to use zERT enforcement to cut a zERT detail record for connections of interest. Also, the following requirement might also be helpful if implemented, so consider voting for it:
    Idea ZOS-I-339 "Cert expiry on 119-12" https://ibm-z-hardware-and-operating-systems.ideas.ibm.com/ideas/ZOS-I-339

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