Applies to Write-Back Server
Summary
Write-Back supports many SAML identity providers however, some, like OneLogin, have specific configurations that do not apply to other IdPs.
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The Audience corresponds to the EntityID in the site metadata file, the Recipient and ACS (Consumer) URL corresponds to the AssertionConsumerService Location value, and the ACS Validator can match the ACS URL or any other regex that my may pass this validation.