SSO Redirect Loop

Cantor, Scott cantor.2 at osu.edu
Tue Aug 23 13:08:36 EDT 2016


On 8/23/16 12:59 PM, Tim Owens wrote:
> Totally understood. I had been using the SAML Chrome Panel in the
> developer toolbar to watch the request, though I'll be the first to
> admit I don't have enough of an understanding to parse the returned
> requests and see if there's anything amiss there. I'll take a look at
> Fiddler and SAML Tracer as well to see if they offer more insight. The
> logs thus far haven't shown anything of note since the requests are
> processing successfully so I do believe as Scott said it's an issue with
> the cookie but haven't figured out why the app can't accept it when the
> session is valid. I'll keep digging and appreciate the responses from
> you all!

It's the cookie internally to the SP, nothing to do with SAML. If you
turn off active protection of content, it won't redirect automatically,
and you would break the loop at least, which might help in debugging.
It's the final resource access, and 99% of the time the answer is
sitting right in native.log or the cookie's not even being submitted
back. Usually the latter, which leads to no log of any kind and so no
clues to follow.

-- Scott


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