HP Q.11. (2510-24) Access Security Manual page 100

TACACS+ Authentication
Configuring TACACS+ on the Switch
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When TACACS+ is not enabled on the switch—or when the switch's
■
only designated TACACS+ servers are not accessible— setting a local
Operator password without also setting a local Manager password
does not protect the switch from manager-level access by unautho-
rized persons.)