Avocent Cyclades ACS, Инструкция по установке/администрированию/использованию

Страница: 135 / 212

Chapter 8: Security Menu and Forms 119
1. Go to Security - Authentication - RADIUS in Expert mode.
2. Fill in the form according to your local RADIUS server configuration.
3. Click apply changes .
Group authorization on RADIUS
Group information retrieval from a RADIUS authentication server adds another layer of security by
adding a network-based authorization. It retrieves the group information from the authentication
server and performs an authorization through the console server.
To configure a authentication server:
Perform the following procedure to configure a authentication server when the console
server or any of its ports are configured to use authentication method or any of its
variations (Local/, /Local or /DownLocal).
1. Go to Security - Authentication - in Expert mode. The form displays.
2. Fill in the form according to your local server configuration.
3. To apply Authorization in addition to authentication to the box and ports, select the Enable
Raccess Authorization checkbox.
By default, Raccess Authorization is disabled and no additional authorization is implemented.
When Raccess Authorization is enabled, the authorization level of users trying to access the
console server or its ports using authentication is checked. Users with
administrator privileges have administrative access and users with regular user privileges have
regular user access.
4. To specify a time out period in seconds for each authentication attempt, type a number in the
Timeout field.
If the authentication server does not respond to the client’s login attempt before the specified
time period, the login attempt is cancelled. The user may retry depending on the number
specified in the Retries field on this form.
5. To specify a number of times the user can request authentication verification from the server
before sending an authentication failure message to the user, enter a number in the
Retries field.
6. Click apply changes .
Group authorization on
Using an authorization method in addition to authentication provides an extra level of system
security. Selecting
Security - Authentication - in Expert mode displays the
form where an administrators can configure a authentication server and can also enable
user authorization checking.
By checking the Enable Raccess Authorization checkbox, an additional level of security checking
is implemented. After each user is successfully authenticated through the standard login procedure,