TACACS+
Definitions
Electronics
(written as TACACS)
Acronym for terminal Access controller Access control system. An authentication protocol in which an access server communicates with an authentication server to determine whether access to a network will be granted. TACACS has mostly been superseded by TACACS+, XTACACS, or RADIUS,- An enhanced version of TACACS, which includes data encryption and a challenge/response system. Despite its name, TACACS+ is not compatible with TACACS, nor XTACACS.
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