I think you just need to login to Confluence to see it.
The installation instructions at https://confluence.xsede.org/display/XT/idp.xsede.org+Shibboleth+Identit... are access restricted since there are secrets on the web page. The following users currently have access: Terry Fleury, Gary Rogers, Jim Basney, andTabitha Samuel. For access, please email Gary Rogers <firstname.lastname@example.org>.
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