[jira] [Closed] (AMQ-5490) broker does not write out supported version header

["Gordon Sim (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMQ-5490?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gordon Sim closed AMQ-5490.
---------------------------
    Resolution: Duplicate

> broker does not write out supported version header
> --------------------------------------------------
>
>                 Key: AMQ-5490
>                 URL: https://issues.apache.org/jira/browse/AMQ-5490
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: AMQP
>    Affects Versions: 5.10.0
>            Reporter: Gordon Sim
>
> If a pre 1.0 client attempt to connect, the broker simply closes the socket on reading the protocol-header sent by the client. This prevents the client from realising it is a mismatched version (and possibly trying with 1.0)
> From the spec (2.2):
> {noformat}
>     If the requested protocol version is not supported, the server MUST
>     send a protocol header with a supported protocol version and then
>     close the socket.
> and
>     If the server cannot parse the protocol header, the server MUST send
>     a valid protocol header with a supported protocol version and then 
>     close the socket.
> {noformat}



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