<div dir="ltr">Scott,<div><br><div>Thank you for the insight! This is more than enough for us to pass along to our client, and ask them to dig in on their side.</div><div><br></div><div>Thanks again,</div><div>Scott Severtson</div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Apr 5, 2016 at 3:51 PM, Cantor, Scott <span dir="ltr"><<a href="mailto:cantor.2@osu.edu" target="_blank">cantor.2@osu.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On 4/5/16, 3:40 PM, "users on behalf of Scott Severtson" <<a href="mailto:users-bounces@shibboleth.net">users-bounces@shibboleth.net</a> on behalf of <a href="mailto:ssevertson@digitalmeasures.com">ssevertson@digitalmeasures.com</a>> wrote:<br>
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>Would this be enough from our signature debug log? I've attached the client's metadata as well.<br>
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It's enough for me to spot that there's no AuthnStatement, so I would guess that's the reason for the problem. I have no idea how an ADFS server would decide to issue an assertion like that, I've never seen it do that. I would guess this isn't ADFS, or maybe it's some feature of the latest version. It seems more likely to be some kind of one off.<br>
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I am a little surprised it didn't fail outright somehow, but if the result was essentially that it didn't produce a session that was usable, I can live with that as a result until I can dig into it. Can you say what it seems to be doing from an application perspective?<br>
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I have a suspicion I know why it might be doing what it's doing, but the SP is not meant to be accepting that, and it will not in the future, I can tighten it up.<br>
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>We're on 2.5.2 because that's the version available in Ubuntu 14.04's package repositories; an upgrade would be a significant challenge. Even the upcoming 16.04 LTS release only packages 2.5.3. Our SP is used by clients from hundreds of universities daily,<br>
> so we're hesitant to roll our own package at the risk of stability.<br>
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If those don't have backported security fixes, they shouldn't be used anyway, but it's important to understand that there are bugs that crop up that I won't spend time on if I have to do the work to reproduce it on a supported platform or version. When I can osmose the issue without doing that (like this one), that's fine, but that isn't always true.<br>
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>Would you be willing/able to test it against 2.5.6, just to see if it works with the most recent version?<br>
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It wouldn't in this case; you can file a bug indicating that the result of processing the assertion with no AuthnStatement isn't as expected, but it wouldn't get you past this issue, the problem here is with the assertion.<br>
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-- Scott<br>
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