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Guide to the Secure Configuration of Alibaba Cloud Linux 2

Rules, Groups, and Values defined within the XCCDF Benchmark

  • System Settings

    Contains rules that check correct system settings.
    Group
  • Installing and Maintaining Software

    The following sections contain information on security-relevant choices during the initial operating system installation process and the setup of s...
    Group
  • Prefer to use a 64-bit Operating System when supported

    Prefer installation of 64-bit operating systems when the CPU supports it.
    Rule Medium Severity
  • System and Software Integrity

    System and software integrity can be gained by installing antivirus, increasing system encryption strength with FIPS, verifying installed software,...
    Group
  • 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
  • Auditd priority for flushing data to disk

    The setting for flush in /etc/audit/auditd.conf
    Value
  • Number of Record to Retain Before Flushing to Disk

    The setting for freq in /etc/audit/auditd.conf
    Value
  • Maximum audit log file size for auditd

    The setting for max_log_file in /etc/audit/auditd.conf
    Value
  • Maximum KeepAlive Requests for HTTPD

    The setting for MaxKeepAliveRequests in httpd.conf
    Value
  • Action for auditd to take when disk space just starts to run low

    The setting for space_left_action in /etc/audit/auditd.conf
    Value
  • Software Integrity Checking

    Both the AIDE (Advanced Intrusion Detection Environment) software and the RPM package management system provide mechanisms for verifying the integr...
    Group
  • Integrity Scan Notification Email Address

    Specify the email address for designated personnel if baseline configurations are changed in an unauthorized manner.
    Value
  • Verify Integrity with RPM

    The RPM package management system includes the ability to verify the integrity of installed packages by comparing the installed files with informat...
    Group
  • The system-provided crypto policies

    Specify the crypto policy for the system.
    Value
  • Verify Integrity with AIDE

    AIDE conducts integrity checks by comparing information about files with previously-gathered information. Ideally, the AIDE database is created imm...
    Group
  • Install AIDE

    The aide package can be installed with the following command:
    $ sudo yum install aide
    Rule Medium Severity
  • Build and Test AIDE Database

    Run the following command to generate a new database: <pre>$ sudo /usr/sbin/aide --init</pre> By default, the database will be written to the fil...
    Rule Medium Severity

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