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CHAPTER 5: Configuration
43
5.3.4. Callback Security
The Callback function provides an additional layer of security when users attempt
to access command mode via modem. When this function is properly congured,
modem users will not be granted immediate access to command mode upon entering
a valid password; instead, the unit will disconnect, and dial a user-dened number
before allowing access via that number. If desired, users may also be required to re-
enter the password after the Outlet Managed PDU dials back.
In order for Callback Security to function properly, you must rst enable and
congure the feature via the System Parameters menu as described in this section,
and then dene a callback number for each desired user account as described in
Section 5.5. To access the Callback Security menu via the Text Interface, type
/F and press [Enter] and then select the Callback Security option. To access the
Callback Security menu via the Web Browser Interface, place the cursor over the
General Parameters link, wait for the yout menu to appear, and then Click on the
"Callback Security" link.
In both the Text Interface and Web Browser Interface, the Callback Security Menu
offers the following options:
• Callback Enable: This prompt offers ve different conguration options for
the Callback Security feature: (Default = On - Callback (Without
Password Prompt.)
Off: All Callback Security is disabled.
On - Callback (Without Password Prompt): Callbacks will be performed
for user accounts that include a Callback Number, and the login prompt will
not be displayed when the user’s modem answers. If the account does not
include a Callback Number, that user will be granted immediate access.
On - Callback (With Password Prompt): Callbacks will be performed for
user accounts that include a Callback Number, and the login prompt will be
displayed when the user’s modem answers (accounts that include a Callback
Number will be required to re-enter their username/password when their
modem answers.) If the account does not include a Callback Number, then
that user will be granted immediate access.
On - Callback ONLY (Without Password Prompt): Callbacks will
be performed for user accounts that include a Callback Number, and the
username/password prompt will not be displayed when the user’s modem
answers. Accounts that do not include a Callback Number will not be able to
access command mode via modem.