User authentication
Local users
Digi Connect IT® 16/48 User Guide
511
d. Generate a
Secret key
:
i. Click
...
next to the field label and select
Generate secret key
.
ii. To display the QR code for the secret key, click
...
next to the field label and select
Show secret key QR code
.
iii. Copy the secret key, or scan or copy the QR code, for use with an application or mobile
device to generate passcodes.
Note
To copy the QR code, right-click the QR code and select your browser's save
image functionality.
e. For time-based verification only, select
Disallow code reuse
to prevent a code from being
used more than once during the time that it is valid.
f. For time-based verification only, in
Code refresh interval
, type the amount of time that a
code will remain valid.
Allowed values are any number of weeks, days, hours, minutes, or seconds, and take the
format
number
{
w|d|h|m|s
}. For example, to set
Code refresh interval
to ten minutes,
enter
10m
or
600s
.
g. In
Valid code window size
, type the allowed number of concurrently valid codes. In cases
where TOTP is being used, increasing the
Valid code window size
may be necessary
when the clocks used by the server and client are not synchronized.
h. For
Login limit
, type the number of times that the user is allowed to attempt to log in
during the
Login limit period
. Set
Login limit
to
0
to allow an unlimited number of login
attempts during the
Login limit period
.
i. For
Login limit period
, type the amount of time that the user is allowed to attempt to log
in.
Allowed values are any number of weeks, days, hours, minutes, or seconds, and take the
format
number
{
w|d|h|m|s
}. For example, to set
Login limit period
to ten minutes, enter
10m
or
600s
.
j. Scratch codes are emergency codes that may be used once, at any time. To add a scratch
code:
i. Click
Scratch codes
.
ii. For
Add Code
, click
.
iii. For
Code
, enter the scratch code. The code must be eight digits, with a minimum of
10000000.
iv. Click
again to add additional scratch codes.
10. Click
Apply
to save the configuration and apply the change.
