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Guide to the Secure Configuration of Alibaba Cloud Linux 3

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Configure Polyinstantiation of /tmp Directories

    To configure polyinstantiated /tmp directories, first create the parent directories which will hold the polyinstantiation child directories. Use th...
    Rule Low Severity
  • Configure Polyinstantiation of /var/tmp Directories

    To configure polyinstantiated /tmp directories, first create the parent directories which will hold the polyinstantiation child directories. Use th...
    Rule Low Severity
  • Ensure the audit Subsystem is Installed

    The audit package should be installed.
    Rule Medium Severity
  • Ensure that User Home Directories are not Group-Writable or World-Readable

    For each human user of the system, view the permissions of the user's home directory: <pre># ls -ld /home/<i>USER</i></pre> Ensure that the directo...
    Rule Medium Severity
  • Ensure that No Dangerous Directories Exist in Root's Path

    The active path of the root account can be obtained by starting a new root shell and running: <pre># echo $PATH</pre> This will produce a colon-sep...
    Group
  • Ensure that Users Have Sensible Umask Values

    The umask setting controls the default permissions for the creation of new files. With a default <code>umask</code> setting of 077, files and direc...
    Group
  • Sensible umask

    Enter default user umask
    Value
  • System Accounting with auditd

    The audit service provides substantial capabilities for recording system activities. By default, the service audits about SELinux AVC denials and c...
    Group
  • Enable auditd Service

    The <code>auditd</code> service is an essential userspace component of the Linux Auditing System, as it is responsible for writing audit records to...
    Rule Medium Severity
  • Enable Auditing for Processes Which Start Prior to the Audit Daemon

    To ensure all processes can be audited, even those which start prior to the audit daemon, add the argument <code>audit=1</code> to the default GRUB...
    Rule Low Severity

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