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Which of the following rules is the only one that will prevent TACACS+ protocol from passing through a firewall?
Deny TCP any server eq 1721
Deny UDP any server eq 49
Deny TCP any server eq 49
Deny UDP eq 1723
First off, ignore the firewall syntax. The only thing you need to know on this question to determine the correct answer is what port and protocol that TACACS+ uses. In this case TACACS+ uses TCP port 49 by default. You're saying it can be configured for UDP, but by default it uses TCP. So it can be configured for UDP, but ONLY "Deny TCP any server eq 49" will prevent TACACS+ from passing through? uh huh, okay... If the point of the question is to get the default TACACS+ port and protocol, why not reword the question to ask that? Seems to be a lot of arguing over semantics
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