Terminal Access Controller Access-Control System Plus (TACACS+) is a protocol developed by Cisco and released as an open standard beginning in 1993. Although derived from TACACS, TACACS+ is a separate protocol that handles authentication, authorization, and accounting (AAA) services.
The tac_plus
server is a major rewrite of the original Cisco source code.
For more information see http://www.shrubbery.net/tac_plus/, a reference manual for the configuration file is available at http://manpages.ubuntu.com/manpages/trusty/man5/tac_plus.conf.5.html .
An easier TACACS+ configuration can be done with do_auth
, see
https://github.com/jathanism/do_auth .
The appliance includes tac_passwd
, tac_adduser
and tac_deluser
to manage the password file /etc/tacacs+/passwd
.