Skip to content

Guide to the Secure Configuration of Red Hat Enterprise Linux 7

Rules, Groups, and Values defined within the XCCDF Benchmark

  • 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
  • Ensure All World-Writable Directories Are Owned by a System Account

    All directories in local partitions which are world-writable should be owned by root or another system account. If any world-writable directories a...
    Rule Medium Severity
  • Ensure All World-Writable Directories Are Group Owned by a System Account

    All directories in local partitions which are world-writable should be group owned by root or another system account. If any world-writable directo...
    Rule Medium Severity
  • Verify that local System.map file (if exists) is readable only by root

    Files containing sensitive informations should be protected by restrictive permissions. Most of the time, there is no need that these files need ...
    Rule Unknown Severity
  • Ensure All SGID Executables Are Authorized

    The SGID (set group id) bit should be set only on files that were installed via authorized means. A straightforward means of identifying unauthoriz...
    Rule Medium Severity
  • Ensure All SUID Executables Are Authorized

    The SUID (set user id) bit should be set only on files that were installed via authorized means. A straightforward means of identifying unauthorize...
    Rule Medium Severity
  • Ensure No World-Writable Files Exist

    It is generally a good idea to remove global (other) write access to a file when it is discovered. However, check with documentation for specific a...
    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 Permissions on Backup gshadow File

    To properly set the permissions of /etc/gshadow-, run the command:
    $ sudo chmod 0000 /etc/gshadow-
    Rule Medium Severity
  • condor_tcp_network_connect SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
  • Ensure All Files Are Owned by a User

    If any files are not owned by a user, then the cause of their lack of ownership should be investigated. Following this, the files should be deleted...
    Rule Medium Severity
  • Enable Kernel Parameter to Enforce DAC on Hardlinks

    To set the runtime status of the <code>fs.protected_hardlinks</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w fs.protecte...
    Rule Medium Severity
  • 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 Files with Local Account Information and Credentials

    The default restrictive permissions for files which act as important security databases such as <code>passwd</code>, <code>shadow</code>, <code>gro...
    Group
  • Verify Group Who Owns Backup 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 Backup 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 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 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 Backup passwd File

    To properly set the permissions of /etc/passwd-, run the command:
    $ sudo chmod 0644 /etc/passwd-
    Rule Medium Severity
  • Verify Permissions on Backup shadow File

    To properly set the permissions of /etc/shadow-, run the command:
    $ sudo chmod 0000 /etc/shadow-
    Rule Medium Severity
  • Verify Permissions on gshadow File

    To properly set the permissions of /etc/gshadow, run the command:
    $ sudo chmod 0000 /etc/gshadow
    Rule Medium Severity
  • Verify Permissions on passwd File

    To properly set the permissions of /etc/passwd, run the command:
    $ sudo chmod 0644 /etc/passwd
    Rule Medium Severity
  • Verify Permissions on shadow File

    To properly set the permissions of /etc/shadow, run the command:
    $ sudo chmod 0000 /etc/shadow
    Rule Medium Severity
  • Verify Permissions on Files within /var/log Directory

    The /var/log directory contains files with logs of error messages in the system and should only be accessed by authorized personnel.
    Group
  • Verify Group Who Owns /var/log Directory

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

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

    To properly set the group owner of /var/log/syslog, run the command:
    $ sudo chgrp adm /var/log/syslog
    Rule Medium Severity
  • Verify User Who Owns /var/log Directory

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

    To properly set the owner of /var/log/messages, run the command:
    $ sudo chown root /var/log/messages 
    Rule Medium Severity
  • Verify User Who Owns /var/log/syslog File

    To properly set the owner of /var/log/syslog, run the command:
    $ sudo chown syslog /var/log/syslog 
    Rule Medium Severity
  • Verify Permissions on /var/log Directory

    To properly set the permissions of /var/log, run the command:
    $ sudo chmod 0755 /var/log
    Rule Medium Severity
  • Verify Permissions on /var/log/messages File

    To properly set the permissions of /var/log/messages, run the command:
    $ sudo chmod 0640 /var/log/messages
    Rule Medium Severity
  • conman_can_network SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
  • 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 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
  • 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 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
  • 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
  • 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
  • Assign Password to Prevent Changes to Boot Firmware Configuration

    Assign a password to the system boot firmware (historically called BIOS on PC systems) to require a password for any configuration changes.
    Rule Unknown Severity

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

Capacity
Modules