:ref:`transaction security <tsig>`. Keys are defined using
:namedconf:ref:`key` blocks.
- ``key_list``
- A list of one or more :term:`key_id` s, separated by semicolons and ending with a semicolon.
-
``tls_id``
A string representing a TLS configuration object, including a key and certificate.
:any:`keys`
The primary authorization mechanism of the command channel is the
- :term:`key_list`, which contains a list of :term:`key_id` s. Each
+ list of :term:`key_id` s. Each listed
:namedconf:ref:`key` is authorized to execute commands over the control
channel. See :ref:`admin_tools` for information about
configuring keys in :iscman:`rndc`.