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Guide to the Secure Configuration of Red Hat Enterprise Linux 9

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Verify Permissions on /var/log/syslog File

    To properly set the permissions of /var/log/syslog, run the command:
    $ sudo chmod 0640 /var/log/syslog
    Rule Medium Severity
  • Verify File Permissions Within Some Important Directories

    Some directories contain files whose confidentiality or integrity is notably important and may also be susceptible to misconfiguration over time, p...
    Group
  • Verify that Shared Library Directories Have Root Group Ownership

    System-wide shared library files, which are linked to executables during process load time or run time, are stored in the following directories by ...
    Rule Medium Severity
  • Verify that System Executable Have Root Ownership

    <pre>/bin /sbin /usr/bin /usr/sbin /usr/local/bin /usr/local/sbin</pre> All these directories should be owned by the <code>root</code> user. If any...
    Rule Medium Severity
  • Verify that Shared Library Directories Have Root Ownership

    System-wide shared library files, which are linked to executables during process load time or run time, are stored in the following directories by ...
    Rule Medium Severity
  • Verify that System Executable Directories Have Restrictive Permissions

    System executables are stored in the following directories by default: <pre>/bin /sbin /usr/bin /usr/sbin /usr/local/bin /usr/local/sbin</pre> Thes...
    Rule Medium Severity
  • deny_ptrace SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
  • Verify that Shared Library Directories Have Restrictive Permissions

    System-wide shared library directories, which contain are linked to executables during process load time or run time, are stored in the following d...
    Rule Medium Severity
  • Verify that audit tools are owned by group root

    The Red Hat Enterprise Linux 9 operating system audit tools must have the proper ownership configured to protected against unauthorized access. Ve...
    Rule Medium Severity
  • Verify that system commands files are group owned by root or a system account

    System commands files are stored in the following directories by default: <pre>/bin /sbin /usr/bin /usr/sbin /usr/local/bin /usr/local/sbin </pre> ...
    Rule Medium Severity
  • Verify that audit tools are owned by root

    The Red Hat Enterprise Linux 9 operating system audit tools must have the proper ownership configured to protected against unauthorized access. Ve...
    Rule Medium Severity
  • Verify that System Executables Have Root Ownership

    System executables are stored in the following directories by default: <pre>/bin /sbin /usr/bin /usr/libexec /usr/local/bin /usr/local/sbin /usr/sb...
    Rule Medium Severity
  • Verify that Shared Library Files Have Root Ownership

    System-wide shared library files, which are linked to executables during process load time or run time, are stored in the following directories by ...
    Rule Medium Severity
  • Disable Mounting of hfs

    To configure the system to prevent the <code>hfs</code> kernel module from being loaded, add the following line to the file <code>/etc/modprobe.d/...
    Rule Low Severity
  • Verify that audit tools Have Mode 0755 or less

    The Red Hat Enterprise Linux 9 operating system audit tools must have the proper permissions configured to protected against unauthorized access. ...
    Rule Medium Severity
  • Verify that System Executables Have Restrictive Permissions

    System executables are stored in the following directories by default: <pre>/bin /sbin /usr/bin /usr/libexec /usr/local/bin /usr/local/sbin /usr/sb...
    Rule Medium Severity
  • Verify that Shared Library Files Have Restrictive Permissions

    System-wide shared library files, which are linked to executables during process load time or run time, are stored in the following directories by ...
    Rule Medium Severity
  • Verify the system-wide library files in directories "/lib", "/lib64", "/usr/lib/" and "/usr/lib64" are group-owned by root.

    System-wide library files are stored in the following directories by default: <pre>/lib /lib64 /usr/lib /usr/lib64 </pre> All system-wide shared li...
    Rule Medium Severity
  • Restrict Dynamic Mounting and Unmounting of Filesystems

    Linux includes a number of facilities for the automated addition and removal of filesystems on a running system. These facilities may be necessary...
    Group
  • Disable the Automounter

    The <code>autofs</code> daemon mounts and unmounts filesystems, such as user home directories shared via NFS, on demand. In addition, autofs can be...
    Rule Medium Severity

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