Introduction to TACACS+
TACACS+ is the name given to the protocol and the software that are used to provide AAA functionality to an access server such as a router. The TACACS+ protocol is responsible for the packet format and communications between the access server and the TACACS+ software or daemon running on a security server. The TACACS+ daemon undertakes the functions required to provide the AAA functionality.
Cisco's implementation of TACACS+ is currently commensurate with the description of the protocol in Internet draft version 1.77 and, more recently, version 1.78 of the draft. Search for the string 'draft-grant-tacacs-02.txt' using an Internet search engine to find the draft. This chapter focuses on the TACACS+ implementation based ...
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