Ports need to be open for Setting up IdP

[Rod Widdowson]

> No port 80 and no redirect -- noone should be typing in the
> (incorrect) URL to your IDP, ever, so no need to redirect them
> elsewhere either.
> -peter

Actually thinking about this some more, you may want to add 80 - but best to leave it locked down to localhost and anywhere else
where you may manage the IdP.  The management interface can work that way.