Hi Dave,

I apologize for the obvious question, but have you had a look at the 
documentation:

http://kafka.apache.org/documentation.html#security 
<http://kafka.apache.org/documentation.html#security>

It is possible that you're not aware that it is there, so I'm just confirming. 
But, if you did have a look and the content didn't work for you, let us know 
why so that we can fix it.

Thanks,
-Flavio

> On 10 Dec 2015, at 17:24, Dave Ariens <dari...@blackberry.com> wrote:
> 
> Absolutely, currently I'm hoping to get authentication working and then 
> ultimately work towards encryption.   We're also testing performance of more 
> out-of-the-box Kafka components but I fear our message volume will require us 
> to maintain our custom producers and consumers.
> 
> 
> ________________________________________
> From: Andrew Schofield [andrew_schofi...@uk.ibm.com]
> Sent: Thursday, December 10, 2015 10:52 AM
> To: dev@kafka.apache.org
> Subject: RE: Interacting with a secured Kafka cluster via GSS-API
> 
> Wouldn't you use TLS to secure the connections? Encrypting just the
> credentials but not the connection seems brave.
> 
> Andrew
> 
> 
> 
> From:   Dave Ariens <dari...@blackberry.com>
> To:     "dev@kafka.apache.org" <dev@kafka.apache.org>
> Date:   10/12/2015 15:43
> Subject:        RE: Interacting with a secured Kafka cluster via GSS-API
> 
> 
> 
>> Is there a reason why you are using GSS-API directly instead of via
> SASL?
> 
> There sure is--because I have no clue what I'm doing :)
> 
> Our Kafka 0.9.0 cluster is currently only configured for SASL_PLAINTEXT so
> we're not encrypting anything at the moment.  I'll take a look through
> SaslClientAuthenticator and try and come back with either confirmation
> that everything is working as expected (hopefully) or at least more
> intelligent questions...
> 
> Thanks!
> 
> ________________________________________
> From: isma...@gmail.com [isma...@gmail.com] on behalf of Ismael Juma
> [ism...@juma.me.uk]
> Sent: Thursday, December 10, 2015 10:36 AM
> To: dev@kafka.apache.org
> Subject: Re: Interacting with a secured Kafka cluster via GSS-API
> 
> Hi Dave,
> 
> Is there a reason why you are using GSS-API directly instead of via SASL?
> It should still work, but if you do the latter, you can potentially reuse
> the existing code (or at least use it as inspiration), see
> `org.apache.kafka.common.security.authenticator.SaslClientAuthenticator`.
> 
> Also, please keep in mind that we are only using SASL for authentication
> and that to encrypt the communication, you have to use SASL_SSL (ie we
> don't support the SASL confidentiality QOP, for example).
> 
> I hope this helps.
> 
> Ismael
> 
> 
> 
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