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Guide to the Secure Configuration of Red Hat Enterprise Linux CoreOS 4

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Enable Kernel Parameter to Enforce DAC on Symlinks

    To set the runtime status of the <code>fs.protected_symlinks</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w fs.protected...
    Rule Medium Severity
  • Verify Permissions on Backup gshadow File

    To properly set the permissions of /etc/gshadow-, run the command:
    $ sudo chmod 0000 /etc/gshadow-
    Rule Medium Severity
  • Verify Group Who Owns Backup passwd File

    To properly set the group owner of /etc/passwd-, run the command:
    $ sudo chgrp root /etc/passwd-
    Rule Medium Severity
  • Verify User Who Owns Backup shadow File

    To properly set the group owner of /etc/shadow-, run the command:
    $ sudo chgrp root /etc/shadow-
    Rule Medium Severity
  • Verify Group Who Owns group File

    To properly set the group owner of /etc/group, run the command:
    $ sudo chgrp root /etc/group
    Rule Medium Severity
  • Verify Group Who Owns gshadow File

    To properly set the group owner of /etc/gshadow, run the command:
    $ sudo chgrp root /etc/gshadow
    Rule Medium Severity
  • Verify Group Who Owns passwd File

    To properly set the group owner of /etc/passwd, run the command:
    $ sudo chgrp root /etc/passwd
    Rule Medium Severity
  • Verify Group Who Owns shadow File

    To properly set the group owner of /etc/shadow, run the command:
    $ sudo chgrp root /etc/shadow
    Rule Medium Severity
  • Verify User Who Owns Backup group File

    To properly set the owner of /etc/group-, run the command:
    $ sudo chown root /etc/group- 
    Rule Medium Severity
  • Verify User Who Owns Backup gshadow File

    To properly set the owner of /etc/gshadow-, run the command:
    $ sudo chown root /etc/gshadow- 
    Rule Medium Severity
  • Verify User Who Owns Backup passwd File

    To properly set the owner of /etc/passwd-, run the command:
    $ sudo chown root /etc/passwd- 
    Rule Medium Severity
  • Verify Group Who Owns Backup shadow File

    To properly set the owner of /etc/shadow-, run the command:
    $ sudo chown root /etc/shadow- 
    Rule Medium Severity
  • Verify User Who Owns group File

    To properly set the owner of /etc/group, run the command:
    $ sudo chown root /etc/group 
    Rule Medium Severity
  • Verify User Who Owns gshadow File

    To properly set the owner of /etc/gshadow, run the command:
    $ sudo chown root /etc/gshadow 
    Rule Medium Severity
  • Verify User Who Owns passwd File

    To properly set the owner of /etc/passwd, run the command:
    $ sudo chown root /etc/passwd 
    Rule Medium Severity
  • Verify User Who Owns shadow File

    To properly set the owner of /etc/shadow, run the command:
    $ sudo chown root /etc/shadow 
    Rule Medium Severity
  • Verify Permissions on Backup group File

    To properly set the permissions of /etc/group-, run the command:
    $ sudo chmod 0644 /etc/group-
    Rule Medium Severity
  • 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
  • cobbler_anon_write SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
  • Verify Permissions on Backup passwd File

    To properly set the permissions of /etc/passwd-, run the command:
    $ sudo chmod 0644 /etc/passwd-
    Rule Medium Severity

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