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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

  • Verify Group Ownership of System Login Banner

    To properly set the group owner of /etc/issue, run the command:
    $ sudo chgrp root /etc/issue
    Rule Medium Severity
  • Verify Group Ownership of System Login Banner for Remote Connections

    To properly set the group owner of /etc/issue.net, run the command:
    $ sudo chgrp root /etc/issue.net
    Rule Medium Severity
  • Verify ownership of System Login Banner

    To properly set the owner of /etc/issue, run the command:
    $ sudo chown root /etc/issue 
    Rule Medium Severity
  • Verify ownership of System Login Banner for Remote Connections

    To properly set the owner of /etc/issue.net, run the command:
    $ sudo chown root /etc/issue.net 
    Rule Medium Severity
  • Verify permissions on System Login Banner

    To properly set the permissions of /etc/issue, run the command:
    $ sudo chmod 0644 /etc/issue
    Rule Medium Severity
  • Verify permissions on System Login Banner for Remote Connections

    To properly set the permissions of /etc/issue.net, run the command:
    $ sudo chmod 0644 /etc/issue.net
    Rule Medium Severity
  • Implement a GUI Warning Banner

    In the default graphical environment, users logging directly into the system are greeted with a login screen provided by the GNOME Display Manager ...
    Group
  • Protect Accounts by Configuring PAM

    PAM, or Pluggable Authentication Modules, is a system which implements modular authentication for Linux programs. PAM provides a flexible and confi...
    Group
  • Password Hashing algorithm

    Specify the system default encryption algorithm for encrypting passwords. Defines the value set as ENCRYPT_METHOD in /etc/login.defs.
    Value
  • remember

    The last n passwords for each user are saved in <code>/etc/security/opasswd</code> in order to force password change history and keep the user from...
    Value

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