The installer configured the path to ipsilon as /usr/sbin/ipsilon, but it should be /usr/libexec/ipsilon apparently. I had to manually modify the created /etc/httpd/conf.d/ipsilon-idp.conf file.
/usr/sbin/ipsilon
/usr/libexec/ipsilon
/etc/httpd/conf.d/ipsilon-idp.conf
WSGIScriptAlias /idp /usr/libexec/ipsilon
and probably:
This issue ticket was originally removed from the tracker as it clashed with the pull request. See upstream ticket for migration details.
Metadata Update from @t0xic0der: - Issue close_status updated to: Fixed - Issue status updated to: Closed (was: Open)