Tt_Allow_Login - Compaq AlphaServer DS20E Reference Manual

7.23.12 tt_allow_login

The tt_allow_login environment variable enables or disables login to
the SRM console firmware on alternative console ports. "Login" refers
to pressing the Return or Enter key to activate the console device.
If the console environment variable is set to serial, the primary console device
is the terminal connected through the COM1 port. The set tt_allow_login 1
command lets you activate a console device through COM2 or a VGA monitor.
The set tt_allow_login 0 command disables console activation through
alternative ports. You might want to disable console access to COM2 as a
system security measure or if you want to use COM2 as an "application only"
port.
The syntax is:
set tt_allow_login value
The options for value are:
0 Disables login through the COM2 port or the VGA monitor.
Enables login through the COM2 port or the VGA monitor.
1 (default)
Example
In the following example, the primary console device is set to the terminal
connected through the COM1 port. Then the set tt_allow_login 0 command is
used to disable logins through either the COM2 port or a VGA monitor.
P00>>> set console serial
P00>>> init
.
.
.
P00>> set tt_allow_login 0
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Using the SRM Console 7-69