idp.authn.MFA.supportedPrincipals = \
    saml2/urn:oasis:names:tc:SAML:2.0:ac:classes:InternetProtocol, \
    saml2/urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport, \
    saml2/urn:oasis:names:tc:SAML:2.0:ac:classes:Password, \
    saml2/urn:oasis:names:tc:SAML:2.0:ac:classes:Kerberos, \
    saml2/urn:de:zedat:fudis:SAML:2.0:ac:classes:CR