Digi TX54, User Manual

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User authentication Local users
TX54 User Guide 748
a. Click to expand Groups .
b. For Add Group , click

.
c. For Group , select an appropriate group.
Note Every user must be configured with at least one group. You can add multiple groups to a
user by clicking Add again and selecting the next group.
9. (Optional) Add SSH keys for the user to use passwordless SSH login:
a. Click SSH keys .
b. In Add SSH key , paste or type a public encryption key that this user can use for
passwordless SSH login and click

.
10. (Optional) Configure two-factor authentication for SSH, telnet, and serial console login:
a. Click Two-factor authentication .
b. Check Enable to enable two-factor authentication for this user.
c. Select the Verification type :
n
Time-based (TOTP) : Time-based One-Time Password (TOTP) authentication uses
the current time to generate a one-time password.
n Counter-based (HOTP) : HMAC-based One-Time Password (HOTP) uses a counter to
validate a one-time password.
d. Generate a Secret key :
i. Click ... next to the field label and select Generate secret key .
ii. Copy the secret key for use with an application or mobile device to generate
passcodes.
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 .