Digi TX40 User Manual page 868

User authentication
d. For Secret, type the TACACS+ server's shared secret. This is configured in the key
parameter of the TACACS+ server's tac_plus.conf file, for example:
key = testing123
Note DAL authentication does not support the use of the # character in the key (e.g.,
DAL#123;&). If included, the server will be unable to decipher the request.
e. (Optional) Click  again to add additional TACACS+ servers.
5. (Optional) Enable Authoritative to prevent other authentication methods from being
attempted if TACACS+ login fails.
6. (Optional) For Group attribute, type the name of the attribute used in the TACACS+ server's
configuration to identify the TX40 authentication group or groups that the user is a member of.
For example, in
file is groupname, which is also the default setting in the TX40 configuration.
7. (Optional) For Service, type the value of the service attribute in the the TACACS+ server's
configuration. For example, in
the sample tac_plus.conf file is system, which is also the default setting in the TX40
configuration.
8. (Optional) Enable Command authorization, which instructs the device to communicate with
the TACACS+ server to determine if the user is authorized to execute a specific command. Only
the first configured TACACS+ server will be used for command authorization.
Note Beginning with firmware release 21.11.x, python is no longer included as part of the base
firmware for the TX40 device. If you require Python in your environment and your device is
running firmware 21.11.x or newer, see
on your device.
9. (Optional) Enable Command accounting, which instructs the device to communicate with the
TACACS+ server to log commands that the user executes. Only the first configured TACACS+
server will be used for command accounting.
Note Beginning with firmware release 21.11.x, python is no longer included as part of the base
firmware for the TX40 device. If you require Python in your environment and your device is
running firmware 21.11.x or newer, see
on your device.
10. Add TACACS+ to the authentication methods:
a. Click Authentication > Methods.
b. For Add method, click .
TX40 User Guide
Terminal Access Controller Access-Control System Plus (TACACS+)
TACACS+ user configuration, the group attribute in the sample tac_plus.conf
TACACS+ user
Install Python
Install Python
configuration, the value of the service attribute in
for information about installing Python
for information about installing Python
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