canvas session timeout?

[Liam Hoekenga]

I need a sanity check.

We've gotten some complaints from our students that their Canvas sessions
are timing out in the middle of them doing stuff (resulting in "You're not
logged in" messages when replying to things).

Canvas says our SSO is to blame.

Based on my understanding, I'm not sure how that would be possible.  The
IDP includes IssueInstant and notBefore / notAfter timestamps, but none of
that implies / suggests a session life.

My assumption is if Canvas no longer has a valid session, it returns to the
user to the IDP, and that if the user no longer has a valid session with
the IDP, they're asked to log-in again, and then sent back to the SP.

Am I missing something?  Has anyone else run into this with Canvas?

Liam
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