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Guide to the Secure Configuration of Red Hat Enterprise Linux 9

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Account Inactivity Timeout (seconds)

    In an interactive shell, the value is interpreted as the number of seconds to wait for input after issuing the primary prompt. Bash terminates after waiting for that number of seconds if input does...
    Value
  • Interactive users initialization files

    'A regular expression describing a list of file names for files that are sourced at login time for interactive users'
    Value
  • Ensure Home Directories are Created for New Users

    All local interactive user accounts, upon creation, should be assigned a home directory. <br> <br> Configure the operating system to assign home directories to all new local interactive use...
    Rule Medium Severity
  • Ensure the Logon Failure Delay is Set Correctly in login.defs

    To ensure the logon failure delay controlled by <code>/etc/login.defs</code> is set properly, add or correct the <code>FAIL_DELAY</code> setting in <code>/etc/login.defs</code> to read as follows: ...
    Rule Medium Severity
  • Ensure All User Initialization Files Have Mode 0740 Or Less Permissive

    Set the mode of the user initialization files to 0740 with the following command:
    $ sudo chmod 0740 /home/USER/.INIT_FILE
            
    Rule Medium Severity
  • conman_can_network SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
  • Configure Polyinstantiation of /tmp Directories

    To configure polyinstantiated /tmp directories, first create the parent directories which will hold the polyinstantiation child directories. Use the following command: <pre>$ sudo mkdir --mode 000 ...
    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 the following command: <pre>$ sudo mkdir --mode 000 ...
    Rule Low Severity
  • User Initialization Files Must Not Run World-Writable Programs

    Set the mode on files being executed by the user initialization files with the following command:
    $ sudo chmod o-w FILE
            
    Rule Medium Severity
  • Ensure that Users Path Contains Only Local Directories

    Ensure that all interactive user initialization files executable search path statements do not contain statements that will reference a working directory other than the users home directory.
    Rule Medium Severity

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