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Guide to the Secure Configuration of Red Hat Enterprise Linux 8

Rules, Groups, and Values defined within the XCCDF Benchmark

  • All Interactive Users Must Have A Home Directory Defined

    Assign home directories to all interactive users that currently do not have a home directory assigned. This rule checks if the home directory is p...
    Rule Medium Severity
  • All Interactive Users Home Directories Must Exist

    Create home directories to all local interactive users that currently do not have a home directory assigned. Use the following commands to create t...
    Rule Medium Severity
  • All User Files and Directories In The Home Directory Must Be Group-Owned By The Primary Group

    Change the group of a local interactive users files and directories to a group that the interactive user is a member of. To change the group owner ...
    Rule Medium Severity
  • All User Files and Directories In The Home Directory Must Have a Valid Owner

    Either remove all files and directories from the system that do not have a valid user, or assign a valid user to all unowned files and directories....
    Rule Medium Severity
  • All User Files and Directories In The Home Directory Must Have Mode 0750 Or Less Permissive

    Set the mode on files and directories in the local interactive user home directory with the following command: <pre>$ sudo chmod 0750 /home/<i>USER...
    Rule Medium Severity
  • Ensure users' .netrc Files are not group or world accessible

    While the system administrator can establish secure permissions for users' .netrc files, the users can easily override these. This rule ensures ev...
    Rule Medium Severity
  • All Interactive User Home Directories Must Be Group-Owned By The Primary Group

    Change the group owner of interactive users home directory to the group found in <code>/etc/passwd</code>. To change the group owner of interactive...
    Rule Medium Severity
  • All Interactive User Home Directories Must Be Owned By The Primary User

    Change the owner of interactive users home directories to that correct owner. To change the owner of a interactive users home directory, use the fo...
    Rule Medium Severity
  • All Interactive User Home Directories Must Have mode 0750 Or Less Permissive

    Change the mode of interactive users home directories to <code>0750</code>. To change the mode of interactive users home directory, use the followi...
    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 Root's Path Does Not Include World or Group-Writable Directories

    For each element in root's path, run:
    # ls -ld DIR
    and ensure that write permissions are disabled for group and other.
    Rule Medium Severity
  • Ensure that Root's Path Does Not Include Relative Paths or Null Directories

    Ensure that none of the directories in root's path is equal to a single <code>.</code> character, or that it contains any instances that lead to re...
    Rule Unknown Severity
  • 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
  • Ensure the Default Bash Umask is Set Correctly

    To ensure the default umask for users of the Bash shell is set properly, add or correct the <code>umask</code> setting in <code>/etc/bashrc</code> ...
    Rule Medium Severity
  • Ensure the Default C Shell Umask is Set Correctly

    To ensure the default umask for users of the C shell is set properly, add or correct the <code>umask</code> setting in <code>/etc/csh.cshrc</code> ...
    Rule Medium Severity
  • Ensure the Default Umask is Set Correctly in login.defs

    To ensure the default umask controlled by <code>/etc/login.defs</code> is set properly, add or correct the <code>UMASK</code> setting in <code>/etc...
    Rule Medium Severity
  • Ensure the Default Umask is Set Correctly in /etc/profile

    To ensure the default umask controlled by <code>/etc/profile</code> is set properly, add or correct the <code>umask</code> setting in <code>/etc/pr...
    Rule Medium Severity
  • Ensure the Default Umask is Set Correctly For Interactive Users

    Remove the UMASK environment variable from all interactive users initialization files.
    Rule Medium Severity

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