Terminology Used In Tacacs Applications - HP ProCurve Switch 6120G/XG Manual

TACACS+ server for authentication services. If the switch fails to connect to
any TACACS+ server, it defaults to its own locally assigned passwords for
authentication control if it has been configured to do so. For both Console
and Telnet access you can configure a login (read-only) and an enable (read/
write) privilege level access.
TACACS+ does not affect web browser interface access. See "Controlling Web
Browser Interface Access" on page 4-28.
Terminology Used in TACACS
Applications:
NAS (Network Access Server): This is an industry term for a
■
TACACS-aware device that communicates with a TACACS server for
authentication services. Some other terms you may see in literature
describing TACACS operation are communication server, remote
access server, or terminal server. These terms apply to a switch when
TACACS+ is enabled on the switch (that is, when the switch is
TACACS-aware).
TACACS+ Server: The server or management station configured as
■
an access control server for TACACS-enabled devices. To use
TACACS+ with a switch covered in this guide and any other TACACS-
capable devices in your network, you must purchase, install, and
configure a TACACS+ server application on a networked server or
management station in the network. The TACACS+ server application
you install will provide various options for access control and access
notifications. For more on the TACACS+ services available to you,
see the documentation provided with the TACACS+ server applica-
tion you will use.
Authentication: The process for granting user access to a device
■
through entry of a user name and password and comparison of this
username/password pair with previously stored username/password
data. Authentication also grants levels of access, depending on the
privileges assigned to a user name and password pair by a system
administrator.
• Local Authentication: This method uses username/password
pairs configured locally on the switch; one pair each for manager-
level and operator-level access to the switch. You can assign local
usernames and passwords through the CLI or web browser inter-
TACACS+ Authentication

Terminology Used in TACACS Applications:

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