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Secure Messaging Scenarios with WebSphere MQ by Morten Sætra, Jørgen H. Pedersen, Long Nguyen, Neil Casey, Glenn Baddeley, T.Rob Wyatt

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Scenario: Fine-grained cluster security
In an IBM WebSphere MQ point-to-point network, each remote queue manager is associated with a different receiver channel. This allows the administrator to authorize each remote node separately by placing a unique user ID in the channel’s MCAUSER attribute. However, when implementing a cluster, all of the remote queue managers use the same cluster receiver channel. The result is that the fine-grained security possible with point-to-point networks is lost when upgrading to a WebSphere MQ cluster.
It is possible ...

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