User authentication Terminal Access Controller Access-Control System Plus (TACACS+)
Digi Connect IT® 16/48 User Guide
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1. Log into the Connect IT 16/48 WebUI as a user with full Admin access rights.
2. On the menu, click System. Under Configuration, click Device Configuration.
The Configuration window is displayed.
3. Click Authentication > TACACS+ > Servers.
4. Add TACACS+ servers:
a. For Add server, click .
b. For Hostname, type the hostname or IP address of the TACACS+ server.
c. (Optional) Change the default Port setting to the appropriate port. Normally this should be
left at the default setting of port 49.
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
e. (Optional) Click again to add additional TACACS+ servers.
5. (Optional) Enable Authoritative to prevent other authentication methods from being used if
TACACS+ authentication fails. Other authentication methods will only be used if the TACACS+
server is unavailable.
6. (Optional) For Group attribute, type the name of the attribute used in the TACACS+ server's
configuration to identify the Connect IT 16/48 authentication group or groups that the user is a
member of. For example, in TACACS+ user configuration, the group attribute in the sample tac_
plus.conf file is groupname, which is also the default setting in the Connect IT 16/48
configuration.
7. (Optional) For Service, type the value of the service attribute in the the TACACS+ server's
configuration. For example, in TACACS+ user configuration, the value of the service attribute in
the sample tac_plus.conf file is system, which is also the default setting in the Connect IT
16/48 configuration.
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