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Configuring password control
Overview
Password control allows you to implement the following features:
•
Manage login and super password setup, expirations, and updates for device management
users.
•
Control user login status based on predefined policies.
Local users are divided into two types: device management users and network access users. This
feature applies only to device management users. For more information about local users, see
"
."
Password setting
Minimum password length
You can define the minimum length of user passwords. If a user enters a password that is shorter
than the minimum length, the system rejects the password.
Password composition policy
A password can be a combination of characters from the following types:
•
Uppercase letters A to Z.
•
Lowercase letters a to z.
•
Digits 0 to 9.
•
Special characters. For information about special characters, see the
password-control
composition
command in
Security Command Reference
.
Depending on the system's security requirements, you can set the minimum number of character
types a password must contain and the minimum number of characters for each type, as shown
in
Table 16 Password composition policy
Password combination
level
Minimum number of
character types
Minimum number of characters
for each type
Level 1
One
One
Level 2
Two
One
Level 3
Three
One
Level 4
Four
One
In non-FIPS mode, all the combination levels are available for a password. In FIPS mode, only the
level 4 combination is available for a password.
When a user sets or changes a password, the system checks if the password meets the combination
requirement. If not, the operation fails.
Password complexity checking policy
A less complicated password such as a password containing the username or repeated characters is
more likely to be cracked. For higher security, you can configure a password complexity checking
policy to ensure that all user passwords are relatively complicated. With such a policy configured,
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