Managing Secure Shell Access in Oracle® Solaris 11.2

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Updated: September 2014

Session Characteristics in Secure Shell

The server-side behavior of the sshd daemon is controlled by keyword settings in the /etc/ssh/sshd_config file. For example, the sshd_config file controls which types of authentication are permitted for accessing the server. The server-side behavior can also be controlled by the command-line options when the sshd daemon is started.

    The behavior on the client side is controlled by Secure Shell keywords in this order of precedence:

  • Command-line options

  • User's configuration file, ~/.ssh/config

  • System-wide configuration file, /etc/ssh/ssh_config

For example, a user can override a system-wide configuration Ciphers setting that prefers aes128-ctr by specifying –c aes256-ctr,aes128-ctr,arcfour on the command line. The first cipher, aes256-ctr, is now preferred.