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Status Under review
Workspace MQ, MQ Advanced & MQ Appliance
Created by Guest
Created on Jul 14, 2025

RELATED IDEAS

Implement per-channel SSL/TLS certificate refresh capability to eliminate queue manager-wide client disconnections during certificate updates.

Currently, when onboarding new clients or updating certificates in IBM MQ, the refresh security type(ssl) command disconnects ALL existing SSL connections across the entire queue manager. This creates significant operational challenges:

  • Service disruption: All SSL-enabled channels disconnect simultaneously, causing application outages
  • Client impact: Existing clients experience unnecessary connection drops even when their certificates remain valid
  • Operational overhead: The all-or-nothing approach makes certificate management disruptive and forces maintenance windows

With the industry moving toward dramatically shorter certificate lifespans (the CA/Browser Forum has officially voted to reduce TLS certificate validity to 47 days by 2029 ), certificate refresh operations will become exponentially more frequent. 

The enhancement should provide two levels of granular SSL refresh control:

  • Channel-specific refresh: Enable refresh security type(ssl) channel(CHANNEL.NAME) to refresh SSL context only for specified channels, leaving other channels unaffected
  • Intelligent refresh timing: Implement automatic SSL refresh when channels are inactive or during natural restart cycles, eliminating the need for forced disconnections and provide an attribute of the channel to identify channel that need to be refreshed manually.
Idea priority Medium

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