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Guide to the Secure Configuration of Ubuntu 18.04

Rules, Groups, and Values defined within the XCCDF Benchmark

  • dictcheck

    Prevent the use of dictionary words for passwords.
    Value
  • difok

    Minimum number of characters not present in old password
    Value
  • lcredit

    Minimum number of lower case in password
    Value
  • maxclassrepeat

    Maximum Number of Consecutive Repeating Characters in a Password From the Same Character Class
    Value
  • maxrepeat

    Maximum Number of Consecutive Repeating Characters in a Password
    Value
  • minclass

    Minimum number of categories of characters that must exist in a password
    Value
  • minlen

    Minimum number of characters in password
    Value
  • ocredit

    Minimum number of other (special characters) in password
    Value
  • retry

    Number of retry attempts before erroring out
    Value
  • ucredit

    Minimum number of upper case in password
    Value
  • 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

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.

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