Educause SP login

[Cantor, Scott]

> This, in turn, redirects and tries to POST to:
> 
> https://sso.educause.edu/idp/profile/SAML2/POST/SSO
> 
> With a SAML AuthnRequest. Like Scott said earlier, it's an incorrect relative
> redirect, which leads to the 404. Vendor problem. Though, given the entityID
> change (which wasn't announced to us), this wouldn't have worked this
> morning for us regardless. Time to update the config.

I still see it working, the redirect to mine is absolute. Just speculating, but I think they're using that "maybe not production yet" code for metadata consumption in Ping. Perhaps it has a bug and is corrupting some of the endpoint locations.

-- Scott