Error processing authn response "InvalidNameIDPolicy" with mod_auth_mellon

Solution Unverified - Updated -

Issue

  • We see below error message in httpd error_log

    [Wed Oct 26 14:10:16.173447 2022] [auth_mellon:error] [pid 611698:tid 140315541321472] [client 10.1.1.1:37333] Error processing authn response. Lasso error: [-432] Status code is not success, SAML Response: StatusCode1="urn:oasis:names:tc:SAML:2.0:status:Requester", StatusCode2="urn:oasis:names:tc:SAML:2.0:status:InvalidNameIDPolicy", StatusMessage="(null)", referer: https://www.example.com/

Environment

  • Red Hat Enterprise Linux (RHEL)
    • 8.6
  • Apache httpd
    • 2.4.37
  • mod_auth_mellon

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