<p dir="ltr">Thanks</p>
<div class="gmail_quote">Pada 21 Mar 2016 23:00 PM, <<a href="mailto:cyrus-sasl-request@lists.andrew.cmu.edu">cyrus-sasl-request@lists.andrew.cmu.edu</a>> menulis:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Send Cyrus-sasl mailing list submissions to<br>
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1. Re: Bug in cyrus-sasl with GSSAPI, encoded packet size too<br>
big (4156 > 4096) (Jakub Jelen)<br>
<br>
<br>
----------------------------------------------------------------------<br>
<br>
Message: 1<br>
Date: Mon, 21 Mar 2016 16:19:50 +0100<br>
From: Jakub Jelen <<a href="mailto:jjelen@redhat.com">jjelen@redhat.com</a>><br>
To: Matt Hoyle <<a href="mailto:mtt.hoyle@gmail.com">mtt.hoyle@gmail.com</a>>, Quanah Gibson-Mount<br>
<<a href="mailto:quanah@zimbra.com">quanah@zimbra.com</a>>, <a href="mailto:cyrus-sasl@lists.andrew.cmu.edu">cyrus-sasl@lists.andrew.cmu.edu</a><br>
Subject: Re: Bug in cyrus-sasl with GSSAPI, encoded packet size too<br>
big (4156 > 4096)<br>
Message-ID: <<a href="mailto:56F01116.2010009@redhat.com">56F01116.2010009@redhat.com</a>><br>
Content-Type: text/plain; charset=windows-1252; format=flowed<br>
<br>
On 02/08/2016 05:55 PM, Matt Hoyle via Cyrus-sasl wrote:<br>
> Sorry, I completely forgot the link:<br>
> <a href="https://bugzilla.redhat.com/show_bug.cgi?id=1205878" rel="noreferrer" target="_blank">https://bugzilla.redhat.com/show_bug.cgi?id=1205878</a><br>
><br>
> On 02/08/2016 11:45 AM, Quanah Gibson-Mount wrote:<br>
>> --On Monday, February 08, 2016 10:22 AM -0500 Matt Hoyle via<br>
>> Cyrus-sasl <<a href="mailto:cyrus-sasl@lists.andrew.cmu.edu">cyrus-sasl@lists.andrew.cmu.edu</a>> wrote:<br>
>><br>
>>> Please view my bug submitted to RedHat for more details on my setup and<br>
>>> configuration. At this point they would like the cyrus-sasl devs to<br>
>>> take<br>
>>> a look and see if they can help in any way.<br>
>><br>
>> Then I would suggest you provide a link to the bug you filed with RH.<br>
Hi all cyrus (sasl) fans,<br>
<br>
I spent quite some time playing with this environment and I am able to<br>
reproduce the bug also in my environment. But frankly I ran out of ideas<br>
where to look and to debug the problem further.<br>
<br>
We have workaround patch, which makes it working somehow (thanks Matt),<br>
but I would personally like to understand what is going on there. For<br>
somebody better versed in GSSAPI or SASL protocol, it might be obvious.<br>
On first sight it looks like somehow messed up message size, but it is<br>
fixed by setting "proper" sasldata/input_token/qop during connection<br>
initialization.<br>
<br>
Basically connections using GSSAPI between server<br>
<br>
(cyrus-master)-lmtpd<br>
and clients<br>
(postfix)-lmtp<br>
(cyrus-impad)-deliver<br>
<br>
ends with the above message "encoded packet size too big (4156 > 4096)".<br>
Always with the same numbers.<br>
<br>
See the above linked bugzilla for more details, debug information,<br>
configuration. I would be glad for every idea where else or how to look<br>
further. No complete solution required :)<br>
<br>
Thanks for reading up to here.<br>
<br>
Kind regards,<br>
<br>
--<br>
Jakub Jelen<br>
Security Technologies<br>
Red Hat<br>
<br>
<br>
<br>
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End of Cyrus-sasl Digest, Vol 125, Issue 1<br>
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</blockquote></div>