IDP3 HTTP-Artifact form encoding

[Wibke Börger]

Hello everyone,


we're using HTTP Artifact binding. The AuthnRequest is sent using 
HTTP-POST binding (to the idp/profile/SAML2/POST/SSO endpoint) and we 
would like to transmit the artifact form encoded via POST, too. However, 
the artifact is always URL-encoded and sent via GET.

Is there a way to change this behaviour so that the artifact will be put 
in a form and sent via POST?

Is the choice of artifact message encoding determined by some parameters 
in the request or metadata that I might be overlooking?

(We're using Identity Provider 3.2.1)


Thanks,
Wibke

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