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Guide to the Secure Configuration of openEuler 2203

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Ensure gpgcheck Enabled for All dnf Package Repositories

    To ensure signature checking is not disabled for any repos, remove any lines from files in <code>/etc/yum.repos.d</code> of the form: <pre>gpgcheck...
    Rule High Severity
  • The operating system must restrict privilege elevation to authorized personnel

    The sudo command allows a user to execute programs with elevated (administrator) privileges. It prompts the user for their password and confirms yo...
    Rule Medium Severity
  • remember

    The last n passwords for each user are saved in <code>/etc/security/opasswd</code> in order to force password change history and keep the user from...
    Value
  • Set Lockouts for Failed Password Attempts

    The <code>pam_faillock</code> PAM module provides the capability to lock out user accounts after a number of failed login attempts. Its documentati...
    Group
  • fail_deny

    Number of failed login attempts before account lockout
    Value
  • fail_unlock_time

    Seconds before automatic unlocking or permanently locking after excessive failed logins
    Value
  • Limit Password Reuse

    Do not allow users to reuse recent passwords. This can be accomplished by using the <code>remember</code> option for the <code>pam_unix</code> or <...
    Rule Medium Severity
  • Lock Accounts After Failed Password Attempts

    This rule configures the system to lock out accounts after a number of incorrect login attempts using <code>pam_faillock.so</code>. pam_faillock.so...
    Rule Medium Severity
  • Set Password Quality Requirements

    The default <code>pam_pwquality</code> PAM module provides strength checking for passwords. It performs a number of checks, such as making sure pas...
    Group
  • dcredit

    Minimum number of digits in password
    Value
  • dictcheck

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

    Minimum number of lower case in 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
  • Disable Kernel Parameter for Accepting Source-Routed Packets on all IPv6 Interfaces

    To set the runtime status of the <code>net.ipv6.conf.all.accept_source_route</code> kernel parameter, run the following command: <pre>$ sudo sysctl...
    Rule Medium Severity
  • 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 negativ...
    Rule Medium Severity
  • Ensure PAM Enforces Password Requirements - Minimum Length

    The pam_pwquality module's <code>minlen</code> parameter controls requirements for minimum characters required in a password. Add <code>minlen=<xcc...
    Rule Medium Severity

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