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Guide to the Secure Configuration of Oracle Linux 9

Rules, Groups, and Values defined within the XCCDF Benchmark

  • dcredit

    Minimum number of digits in password
    Value
    Show

  • dictcheck

    Prevent the use of dictionary words for passwords.
    Value
    Show

  • difok

    Minimum number of characters not present in old password
    Value
    Show

  • lcredit

    Minimum number of lower case in password
    Value
    Show

  • maxclassrepeat

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

  • maxrepeat

    Maximum Number of Consecutive Repeating Characters in a Password
    Value
    Show

  • minclass

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

  • minlen

    Minimum number of characters in password
    Value
    Show

  • ocredit

    Minimum number of other (special characters) in password
    Value
    Show

  • retry

    Number of retry attempts before erroring out
    Value
    Show

  • ucredit

    Minimum number of upper case in password
    Value
    Show

  • 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
    Show

  • net.ipv4.tcp_rfc1337

    Enable to enable TCP behavior conformant with RFC 1337
    Value
    Show

  • Ensure PAM Enforces Password Requirements - Enforce for root User

    The pam_pwquality module's <code>enforce_for_root</code> parameter controls requirements for enforcing password complexity for the root user. Enable the <code>enforce_for_root</code> setting in <co...
    Rule Medium Severity
    Show

  • Ensure PAM Enforces Password Requirements - Minimum Lowercase Characters

    The pam_pwquality module's <code>lcredit</code> parameter controls requirements for usage of lowercase letters in a password. When set to a negative number, any password will be required to contain...
    Rule Medium Severity
    Show

  • Ensure PAM Enforces Password Requirements - Maximum Consecutive Repeating Characters from Same Character Class

    The pam_pwquality module's <code>maxclassrepeat</code> parameter controls requirements for consecutive repeating characters from the same character class. When set to a positive number, it will rej...
    Rule Medium Severity
    Show

  • Set Password Maximum Consecutive Repeating Characters

    The pam_pwquality module's <code>maxrepeat</code> parameter controls requirements for consecutive repeating characters. When set to a positive number, it will reject passwords which contain more th...
    Rule Medium Severity
    Show

  • Set Password Hashing Algorithm in /etc/login.defs

    In <code>/etc/login.defs</code>, add or update the following line to ensure the system will use <xccdf-1.2:sub idref="xccdf_org.ssgproject.content_value_var_password_hashing_algorithm" use="legacy"...
    Rule Medium Severity
    Show

  • Prevent user from disabling the screen lock

    The tmux terminal multiplexer is used to implement automatic session locking. It should not be listed in /etc/shells.
    Rule Low Severity
    Show

  • 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. In Oracle Linux 9 servers, hardware token login is...
    Group
    Show

Node 2

siemur/test-space

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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