User`s guide

BLACK BOX® CS Installation, Administration, and User’s Guide 261
T To Configure User Access to Serial Ports
Use this procedure if you want to specify a list of authorized users or groups.
1. Go to Ports > Physical Ports in Expert mode, and select a port or ports to
modify.
2. Click the Access tab.
The Access form appears.
3. To restrict access to one or more users or to a group of users, enter
previously defined user or group names in the “Authorized Users/Groups”
field, with the names separated by commas.
4. To deny access to one or more users or groups, preface the user or group
names with an exclamation point (!).
5. Click “Done.”
6. Click “apply changes.”
Authentication Methods and Fallback Mechanism
The following table provides a brief description of the authentication
methods. When an authentication method is configured to be performed by an
authentication server such as Kerberos, LDAP, RADIUS, or TACACS+, the
user can get access denial if either the authentication server is down, or it does
not authenticate him/her. An authentication fallback mechanism can be
BidirectionShell Command Specify the menu shell command in this
field, for example, /bin/menush and build a
custom menu for the TS profile using Web
Manager > Applications > Terminal Profile
Menu form.
This field is available only when a
Bidirectional Telnet protocol is selected
from Ports > Physical Ports > General >
Connection Protocol.
Table 10-5: Expert > Access Form Fields
Field Description