> Does anyone could tell me that what type of connection tacacs+ is using? I ha
> read RCF(?) that tacacs uses UDP; but I have talked to cisco and they told me
> the tacacs+ uses TCP instaed of UDP.
TACACS+ does indeed use TCP. TACACS and XTACACS use UDP. The protocol
specs for TACACS+ are available online in
Get the file README and it will tell you the location of the most current
version of the spec.