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.

1.5 Security Features

Oracle Linux 6.9 includes Transport Layer Security (TLS) 1.2 support for all system components. Other changes include vsftpd support for TLS 1.2 and auditd support for incremental_async.