<div dir="ltr"><div><div>There is a bit of a debate going on at or university.<br><br></div>What exactly is the following used for by the IdP?<br><br></div>If we use SAML2 - what is the purpose of the back-channel port 8443?<br><div><div><div><br><AttributeService Binding="urn:oasis:names:tc:SAML:2.0:bindings:SOAP"<br>                          Location="<a href="https://example.edu:8443/idp/profile/SAML2/SOAP/AttributeQuery">https://example.edu:8443/idp/profile/SAML2/SOAP/AttributeQuery</a>" /><br></div></div></div></div>