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https://issues.apache.org/jira/browse/QPID-8762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18113345#comment-18113345
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ASF GitHub Bot commented on QPID-8762:
--------------------------------------

vavrtom merged PR #439:
URL: https://github.com/apache/qpid-broker-j/pull/439




> [Broker-J] Advertise a valid AMQP 1.0 max-frame-size when rejecting 
> connections
> -------------------------------------------------------------------------------
>
>                 Key: QPID-8762
>                 URL: https://issues.apache.org/jira/browse/QPID-8762
>             Project: Qpid
>          Issue Type: Improvement
>          Components: Broker-J
>    Affects Versions: qpid-java-broker-10.1.0
>            Reporter: Daniil Kirilyuk
>            Assignee: Daniil Kirilyuk
>            Priority: Minor
>             Fix For: qpid-java-broker-10.1.1
>
>
> When rejecting an AMQP 1.0 connection before completing the Open exchange, 
> Broker-J sends an Open frame with max-frame-size=0, below the protocol 
> minimum of 512 bytes.
> Clients can reject this frame with a framing error, masking the intended 
> connection rejection reason, such as authorization failure. The legal 
> 512-byte minimum in this response should be advertised,  so clients can 
> process the subsequent Close frame and report the original error.



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