Synchronous SAML SLO

[Cantor, Scott]

> Do you think a Feature Request for an IdP option to not propagate? Or to
> propagate to the visited subset of some fixed set of SPs?

There's already a Jira issue filed for a range of complaints about how logout works. The IdP already has an option not to propagate, it's just exposed as a user selection. Changing it to force that choice now is just a matter of template changes to force a meta-refresh, I've done it myself.

-- Scott