3830543 - HTTP Status 400 during SLO when IAS proxies corporate IdP logout – Identity Authentication Service

HTTP Status 400 error seen during SLO with IAS acting as a proxy to a corporate IdP; errors include "Identity Provider could not process SAML2 logout message. SLO message is not signed." and "Service Provider SLO endpoint received SLO message from Identity Provider that is not signed."

• Identity Authentication Service

HTTP 400, IAS, Identity Authentication, SAML, SLO, single logout, HTTP-Redirect, Signature, SigAlg, unsigned logout response, proxy, corporate IdP, SAML2, logout error, SP-initiated SSO , KBA , BC-IAM-IDS , Identity Authentication Service , Problem