Setting which binding IdP uses to send their response

[Cantor, Scott]

> Basic question, is setting which binding IdP uses to send their responses,  and
> to which ACS URL, something I have to do on my (SP) side, for example in
> shib2.xml?
> 
> Or would it be something I would manage in the IdP-s tool

Both. The SP can request things and the IdP validates against metadata and has its own preferences, and all of it depends on what the SP includes or doesn't include vs. leaving up to the defaulting of the IdP. A Shibboleth SP essentially always specifies the full URL and binding it wants used.

-- Scott