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ANSSI-BP-028 (intermediary)

Rules and Groups employed by this XCCDF Profile

  • Uninstall DHCP Server Package

    If the system does not need to act as a DHCP server, the dhcp package can be uninstalled. The <code>dhcp</code> package can be removed with the fo...
    Rule Medium Severity
  • Uninstall Sendmail Package

    Sendmail is not the default mail transfer agent and is not installed by default. The <code>sendmail</code> package can be removed with the followin...
    Rule Medium Severity
  • Disable Postfix Network Listening

    Edit the file <code>/etc/postfix/main.cf</code> to ensure that only the following <code>inet_interfaces</code> line appears: <pre>inet_interfaces =...
    Rule Medium Severity
  • Verify Group Who Owns /etc/chrony.keys File

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

    To properly set the owner of /etc/chrony.keys, run the command:
    $ sudo chown root /etc/chrony.keys 
    Rule Medium Severity
  • Verify Permissions On /etc/chrony.keys File

    To properly set the permissions of /etc/chrony.keys, run the command:
    $ sudo chmod 0600 /etc/chrony.keys
    Rule Medium Severity
  • Uninstall xinetd Package

    The xinetd package can be removed with the following command:
    $ apt-get remove xinetd
    Rule Low Severity
  • Remove NIS Client

    The Network Information Service (NIS), formerly known as Yellow Pages, is a client-server directory service protocol used to distribute system conf...
    Rule Unknown Severity
  • Uninstall ypserv Package

    The ypserv package can be removed with the following command:
    $ apt-get remove ypserv
    Rule High Severity
  • Uninstall rsh-server Package

    The rsh-server package can be removed with the following command:
    $ apt-get remove rsh-server
    Rule High Severity
  • Uninstall rsh Package

    The rsh package contains the client commands for the rsh services
    Rule Unknown Severity
  • Uninstall talk-server Package

    The talk-server package can be removed with the following command:
     $ apt-get remove talk-server
    Rule Medium Severity
  • Uninstall talk Package

    The <code>talk</code> package contains the client program for the Internet talk protocol, which allows the user to chat with other users on differe...
    Rule Medium Severity
  • Uninstall telnet-server Package

    The telnet-server package can be removed with the following command:
    $ apt-get remove telnet-server
    Rule High Severity
  • Remove telnet Clients

    The telnet client allows users to start connections to other systems via the telnet protocol.
    Rule Low Severity
  • Uninstall tftp-server Package

    The tftp-server package can be removed with the following command:
     $ apt-get remove tftp-server
    Rule High Severity
  • Remove tftp Daemon

    Trivial File Transfer Protocol (TFTP) is a simple file transfer protocol, typically used to automatically transfer configuration or boot files betw...
    Rule Low Severity
  • Verify Group Who Owns SSH Server config file

    To properly set the group owner of /etc/ssh/sshd_config, run the command:
    $ sudo chgrp root /etc/ssh/sshd_config
    Rule Medium Severity
  • Verify Owner on SSH Server config file

    To properly set the owner of /etc/ssh/sshd_config, run the command:
    $ sudo chown root /etc/ssh/sshd_config 
    Rule Medium Severity
  • Verify Permissions on SSH Server config file

    To properly set the permissions of /etc/ssh/sshd_config, run the command:
    $ sudo chmod 0600 /etc/ssh/sshd_config
    Rule Medium Severity

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