I'm no expert with the Python bits, or the cyrus SASL bits, but I
believe I have used SCRAM-SHA-1 with them in the past.

Do you have the cyrus '-devel' package(s) installed? That might come
into play as to whether it can actually use the mechanisms once built.

You should be able to get a protocol trace log by setting PN_TRACE_FRM=1

It would likely help others answer if you could elaborate on things
like what OS you are using and how you are installing the various
bits, perhaps even the output while doing so.


On 12 October 2016 at 18:55, Ryan Pessa <ryan.pe...@ijettechnologies.com> wrote:
> I cannot get Proton Python 0.14.0 to work with SASL SCRAM-SHA-1. The server 
> is set up properly – there are other clients connecting just fine, including 
> one application using the older python-qpid library, which have no issues 
> using this mech. Proton itself refuses to provide any real logging, unlike 
> python-qpid where enabling logging was trivial, so all I have from that side 
> is:
> [D 161012 17:31:41 reactor:545] connecting to 
> amqp://**:**@
> [E 161012 17:31:41 handlers:404] amqp:unauthorized-access: Authentication 
> failed [mech=(null)]
> We’re using a MessagingHandler inside a Container with the following:
>     def on_start(self, event: Any) -> None:
>         conn = event.container.connect(self.url, sasl_enabled=True, 
> allowed_mechs='SCRAM-SHA-1')
>         event.container.create_receiver(conn)
> On the server (Qpid C++ broker) I see the following log (info+, 
> trace+:Security, trace+:Protocol):
> 2016-10-12 17:31:41 [Network] info Set TCP_NODELAY on connection to 
> 2016-10-12 17:31:41 [Broker] info Using AMQP 1.0 (with SASL layer)
> 2016-10-12 17:31:41 [Security] debug External ssf=0 and auth=
> 2016-10-12 17:31:41 [Security] debug min_ssf: 0, max_ssf: 256, external_ssf: 0
> 2016-10-12 17:31:41 [Security] trace ACL ConnectionCounter new connection: 
> qpid.
> 2016-10-12 17:31:41 [Security] info SASL: Mechanism list: SCRAM-SHA-1
> 2016-10-12 17:31:41 [Security] trace Completed encoding of frame of 33 bytes
> 2016-10-12 17:31:41 [Protocol] debug qpid. 
> 2016-10-12 17:31:41 [Protocol] debug qpid. 
> writing protocol header: 1-0
> 2016-10-12 17:31:41 [Security] trace qpid. 
> Sasl::encode(65536): 41
> 2016-10-12 17:31:41 [Security] info qpid. 
> Connection closed prior to authentication completing
> 2016-10-12 17:31:41 [Security] info qpid. 
> Connection closed prior to authentication completing
> 2016-10-12 17:31:41 [Security] trace ACL ConnectionCounter closed: 
> qpid., userId:
> On the client side, the appropriate plugin exists:
> Plugin "scram" [loaded],      API version: 4
>       SASL mechanism: SCRAM-SHA-1, best SSF: 0
> And just to be sure, after making sure the plugin was installed, I removed 
> and reinstalled Proton, which didn’t help.
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