LDAP integration fails with "Minimum SSF not met."

Solution Verified - Updated -

Issue

When configuring keystone to authentication against an LDAP server with a minSSF value greater than 0, keystone fails to perform any authentication with this error:

# keystone user-list
Authorization Failed: An unexpected error prevented the server from fulfilling your request. {'info': 'Minimum SSF not met.', 'desc': 'Server is unwilling to perform'} (HTTP 500)

Environment

  • Red Hat Enterprise Linux OpenStack Platform 5
  • LDAP server with a "minssf" value greater than 0

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