Guide to the Secure Configuration of Ubuntu 18.04
Rules, Groups, and Values defined within the XCCDF Benchmark
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dictcheck
Prevent the use of dictionary words for passwords.Value -
difok
Minimum number of characters not present in old passwordValue -
lcredit
Minimum number of lower case in passwordValue -
maxclassrepeat
Maximum Number of Consecutive Repeating Characters in a Password From the Same Character ClassValue -
maxrepeat
Maximum Number of Consecutive Repeating Characters in a PasswordValue -
minclass
Minimum number of categories of characters that must exist in a passwordValue -
minlen
Minimum number of characters in passwordValue -
ocredit
Minimum number of other (special characters) in passwordValue -
retry
Number of retry attempts before erroring outValue -
ucredit
Minimum number of upper case in passwordValue -
Set Password Hashing Algorithm
The system's default algorithm for storing password hashes in/etc/shadow
is SHA-512. This can be configured in several locations.Group -
Protect Physical Console Access
It is impossible to fully protect a system from an attacker with physical access, so securing the space in which the system is located should be co...Group -
Login timeout for idle sessions
Specify duration of allowed idle time.Value -
Configure Screen Locking
When a user must temporarily leave an account logged-in, screen locking should be employed to prevent passersby from abusing the account. User educ...Group -
Configure Console Screen Locking
A console screen locking mechanism is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the in...Group -
Hardware Tokens for Authentication
The use of hardware tokens such as smart cards for system login provides stronger, two-factor authentication than using a username and password. I...Group -
OpenSC Smart Card Drivers
Choose the Smart Card Driver in use by your organization. <br>For DoD, choose the <code>cac</code> driver. <br>If your driver is not listed and you...Value -
Protect Accounts by Restricting Password-Based Login
Conventionally, Unix shell accounts are accessed by providing a username and password to a login program, which tests these values for correctness ...Group -
Accounts Authorized Local Users on the Operating System
List the user accounts that are authorized locally on the operating system. This list includes both users requried by the operating system and by t...Value -
Set Account Expiration Parameters
Accounts can be configured to be automatically disabled after a certain time period, meaning that they will require administrator interaction to be...Group
Node 2
The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.
Capacity
Modules