CHAPTER 5: SYSTEM TAB
MDU Solutions
®
– UCrypt
®
Monitoring Server - Operation Manual
5-15
5 .7 Confi gure Authentication
Terminal Access Controller Access-Control System (TACACS, usually pronounced like tack-axe) refers to a family of
related protocols handling remote authentication and related services for networked access control through a centralized
server(Wikipedia). Use of for user access allows more fi ne grained control of user permissions.
Procedure
This procedure outlines steps to activate and edit Settings.
1. Click the
System
tab if it is not already selected, Figure 5-37.
2. Click
Confi gure TACACS Authentication
under the User Authentication section.
3. The
Confi gure Server
page opens, see Figure 5-38. To activate click the tick box.
4. Enter the Server IPv4 address, Port and the Secret(the shared secret(password) used to authenticate
using the Server). If the secret contains spaces, enclose the whole secret within quotes. You may click the
EYE
icon or
Show Secret
to view the secret password, otherwise it is hidden.
5. Additional options are available:
a) Default to Admin Level Access:
Tick to cause a default to admin level access when ACS (Access Control System) attribute
‘ATXNetworkUserGroups’ is not present.
NOTE: ATXNetworksUserGroup (an ACS attribute) is referencing a custom attribute within an ACS
shell profi le. If a user logs in and they are not part of the specifi ed custom attribute, in this case
‘ATXNetworkUserGroup’ which values include admins,masters,tacacsadmin then the server defaults
to admin level access.
1
2
Figure 5-37: Confi gure
3
4
6
5
Figure 5-38: Edit Server Settings