..
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.. _nova-ssl:

.. list-table:: Description of ssl configuration options
   :header-rows: 1
   :class: config-ref-table

   * - Configuration option = Default value
     - Description

   * - ``cert_file`` = ``None``

     - (String) Certificate file to use when starting the server securely.

   * - ``version`` = ``None``

     - (String) SSL version to use (valid only if SSL enabled). Valid values are TLSv1 and SSLv23. SSLv2, SSLv3, TLSv1_1, and TLSv1_2 may be available on some distributions.

   * - ``key_file`` = ``None``

     - (String) Private key file to use when starting the server securely.

   * - ``ca_file`` = ``None``

     - (String) CA certificate file to use to verify connecting clients.

   * - ``ciphers`` = ``None``

     - (String) Sets the list of available ciphers. value should be a string in the OpenSSL cipher list format.