The software described in this documentation is either in Extended Support or Sustaining Support. See https://www.oracle.com/us/support/library/enterprise-linux-support-policies-069172.pdf for more information.
Oracle recommends that you upgrade the software described by this documentation as soon as possible.

Chapter 23 Authentication Configuration

This chapter describes how to configure various authentication methods that Oracle Linux can use, including NIS, LDAP, Kerberos, and Winbind, and how you can configure the System Security Services Daemon feature to provide centralized identity and authentication management.