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https://issues.apache.org/jira/browse/PROTON-1261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Ross closed PROTON-1261.
-------------------------------
    Resolution: Not A Problem

We'll handle this case in our example and documentation for external SSL 
implementations.

> Qpid-Proton 0.12.2 unable to open link with Azure when using connection_engine
> ------------------------------------------------------------------------------
>
>                 Key: PROTON-1261
>                 URL: https://issues.apache.org/jira/browse/PROTON-1261
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: cpp-binding
>    Affects Versions: 0.12.2
>         Environment: Linux
>            Reporter: Tobias Duckworth
>            Assignee: Alan Conway
>              Labels: workaround
>             Fix For: 0.16.0
>
>         Attachments: AzureWithQpidProton_FAILonOpenSender.pcapng, 
> AzureWithQpidProton_SUCCESS.pcapng
>
>
> Since proton's built in SSL does not work when running as a connection_engine 
> I used libcurl to achieve an SSL connection.
> I have tested this against a local broker and am able to connect, open 
> sessions, senders and receivers fine.
> However, on connecting to a Microsoft Azure IoTHub I find that whilst I am 
> able to connect and open a session, when attempting to open a sender or 
> receiver the remote (Azure) end immediately closes it again.
> The problem does not occur with a reactor/messenger build of the same 
> program, which uses proton's built in SSL support. However I don't think that 
> the use of internal or external SSL is the cause of the problem. (It's tricky 
> to prove this as I haven't found a way to do the io_reads and io_writes with 
> a reactor build, which is why I'm using connection_engine/socket_engine in 
> the first place - However, I did hack around in connection_options.cpp and 
> convinced ssl_init to get called and found that the connection_engine build 
> fails in the same way when using built in SSL).
> I'll try to attach wireshark traces from both sample programs to this bug.



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