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.

26.2 OpenSSH Configuration Files

The following OpenSSH global configuration files are located in /etc/ssh:

moduli

Contains key-exchange information that is used to set up a secure connection.

ssh_config

Contains default client configuration settings that can be overridden by the settings in a user’s ~/.ssh/config file.

ssh_host_dsa_key

Contains the DSA private key for SSH2.

ssh_host_dsa_key.pub

Contains the DSA public key for SSH2.

ssh_host_key

Contains the RSA private key for SSH1.

ssh_host_key.pub

Contains the RSA public key for SSH1.

ssh_host_rsa_key

Contains the RSA private key for SSH2.

ssh_host_rsa_key.pub

Contains the RSA public key for SSH2.

sshd_config

Contains configuration settings for sshd.

Other files can be configured in this directory. For details, see the sshd(8) manual page.

For more information, see the ssh_config(5), sshd(8), and sshd_config(5) manual pages.