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CIS Red Hat Enterprise Linux 8 Benchmark for Level 1 - Server

Rules and Groups employed by this XCCDF Profile

  • Configure NFS Clients

    The steps in this section are appropriate for systems which operate as NFS clients.
    Group
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  • Disable NFS Server Daemons

    There is no need to run the NFS server daemons <code>nfs</code> and <code>rpcsvcgssd</code> except on a small number of properly secured systems designated as NFS servers. Ensure that these daemons...
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  • Disable Network File System (nfs)

    The Network File System (NFS) service allows remote hosts to mount and interact with shared filesystems on the local system. If the local system is not designated as a NFS server then this service ...
    Rule Unknown Severity
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  • Network Time Protocol

    The Network Time Protocol is used to manage the system clock over a network. Computer clocks are not very accurate, so time will drift unpredictably on unmanaged systems. Central time protocols can...
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  • The Chrony package is installed

    System time should be synchronized between all systems in an environment. This is typically done by establishing an authoritative time server or set of servers and having all systems synchronize th...
    Rule Medium Severity
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  • Ensure that chronyd is running under chrony user account

    chrony is a daemon which implements the Network Time Protocol (NTP). It is designed to synchronize system clocks across a variety of systems and use a source that is highly accurate. More informati...
    Rule Medium Severity
    Show

  • A remote time server for Chrony is configured

    <code>Chrony</code> is a daemon which implements the Network Time Protocol (NTP). It is designed to synchronize system clocks across a variety of systems and use a source that is highly accurate. M...
    Rule Medium Severity
    Show

  • Obsolete Services

    This section discusses a number of network-visible services which have historically caused problems for system security, and for which disabling or severely limiting the service has been the best a...
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  • Uninstall rsync Package

    The rsyncd service can be used to synchronize files between systems over network links. The <code>rsync-daemon</code> package can be removed with the following command: <pre> $ sudo yum erase rsync...
    Rule Medium Severity
    Show

  • Xinetd

    The <code>xinetd</code> service acts as a dedicated listener for some network services (mostly, obsolete ones) and can be used to provide access controls and perform some logging. It has been large...
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  • Uninstall xinetd Package

    The xinetd package can be removed with the following command: 
    $ sudo yum erase xinetd
    Rule Low Severity
    Show

  • NIS

    The Network Information Service (NIS), also known as 'Yellow Pages' (YP), and its successor NIS+ have been made obsolete by Kerberos, LDAP, and other modern centralized authentication services. NIS...
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  • Remove NIS Client

    The Network Information Service (NIS), formerly known as Yellow Pages, is a client-server directory service protocol used to distribute system configuration files. The NIS client (<code>ypbind</cod...
    Rule Unknown Severity
    Show

  • Uninstall ypserv Package

    The ypserv package can be removed with the following command: 
    $ sudo yum erase ypserv
    Rule High Severity
    Show

  • Rlogin, Rsh, and Rexec

    The Berkeley r-commands are legacy services which allow cleartext remote access and have an insecure trust model.
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  • Remove Rsh Trust Files

    The files <code>/etc/hosts.equiv</code> and <code>~/.rhosts</code> (in each user's home directory) list remote hosts and users that are trusted by the local system when using the rshd daemon. To re...
    Rule High Severity
    Show

  • Telnet

    The telnet protocol does not provide confidentiality or integrity for information transmitted on the network. This includes authentication information such as passwords. Organizations which use tel...
    Group
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  • Uninstall telnet-server Package

    The telnet-server package can be removed with the following command: 
    $ sudo yum erase telnet-server
    Rule High Severity
    Show

  • Remove telnet Clients

    The telnet client allows users to start connections to other systems via the telnet protocol.
    Rule Low Severity
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  • TFTP Server

    TFTP is a lightweight version of the FTP protocol which has traditionally been used to configure networking equipment. However, TFTP provides little security, and modern versions of networking oper...
    Group
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Node 2

siemur/test-space

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.

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