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Guide to the Secure Configuration of Oracle Linux 7

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Verify Ownership of /etc/hosts.deny

    To properly set the owner of /etc/hosts.deny, run the command:
    $ sudo chown root /etc/hosts.deny 
    Rule Medium Severity
  • Verify Permissions on /etc/hosts.allow

    To properly set the permissions of /etc/hosts.allow, run the command:
    $ sudo chmod 0644 /etc/hosts.allow
    Rule Medium Severity
  • Verify Permissions on /etc/hosts.deny

    To properly set the permissions of /etc/hosts.deny, run the command:
    $ sudo chmod 0644 /etc/hosts.deny
    Rule Medium Severity
  • NIS

    The Network Information Service (NIS), also known as 'Yellow Pages' (YP), and its successor NIS+ have been made obsolete by Kerberos, LDAP, and oth...
    Group
  • Uninstall talk-server Package

    The talk-server package can be removed with the following command:
     $ sudo yum erase talk-server
    Rule Medium Severity
  • Uninstall ypserv Package

    The ypserv package can be removed with the following command:
    $ sudo yum erase ypserv
    Rule High Severity
  • Disable ypbind Service

    The <code>ypbind</code> service, which allows the system to act as a client in a NIS or NIS+ domain, should be disabled. The <code>ypbind</code> s...
    Rule Medium Severity
  • Rlogin, Rsh, and Rexec

    The Berkeley r-commands are legacy services which allow cleartext remote access and have an insecure trust model.
    Group
  • Uninstall rsh-server Package

    The rsh-server package can be removed with the following command:
    $ sudo yum erase rsh-server
    Rule High Severity
  • Uninstall rsh Package

    The rsh package contains the client commands for the rsh services
    Rule Unknown Severity

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