Skip to content

ANSSI-BP-028 (enhanced)

Rules and Groups employed by this XCCDF Profile

  • Rlogin, Rsh, and Rexec

    The Berkeley r-commands are legacy services which allow cleartext remote access and have an insecure trust model.
    Group
  • Chat/Messaging Services

    The talk software makes it possible for users to send and receive messages across systems through a terminal session.
    Group
  • Telnet

    The telnet protocol does not provide confidentiality or integrity for information transmitted on the network. This includes authentication informat...
    Group
  • TFTP Server

    TFTP is a lightweight version of the FTP protocol which has traditionally been used to configure networking equipment. However, TFTP provides littl...
    Group
  • SSH Server

    The SSH protocol is recommended for remote login and remote file transfer. SSH provides confidentiality and integrity for data exchanged between tw...
    Group
  • Verify Group Ownership on SSH Server Private *_key Key Files

    SSH server private keys, files that match the /etc/ssh/*_key glob, must be group-owned by root group.
    Rule Medium Severity
  • Verify Group Ownership on SSH Server Public *.pub Key Files

    SSH server public keys, files that match the /etc/ssh/*.pub glob, must be group-owned by root group.
    Rule Medium Severity
  • Verify Ownership on SSH Server Private *_key Key Files

    SSH server private keys, files that match the /etc/ssh/*_key glob, must be owned by root user.
    Rule Medium Severity
  • Verify Ownership on SSH Server Public *.pub Key Files

    SSH server public keys, files that match the /etc/ssh/*.pub glob, must be owned by root user.
    Rule Medium Severity
  • Verify Permissions on SSH Server Private *_key Key Files

    SSH server private keys - files that match the <code>/etc/ssh/*_key</code> glob, have to have restricted permissions. If those files are owned by t...
    Rule Medium Severity
  • Verify Permissions on SSH Server Public *.pub Key Files

    To properly set the permissions of /etc/ssh/*.pub, run the command:
    $ sudo chmod 0644 /etc/ssh/*.pub
    Rule Medium Severity
  • Configure OpenSSH Server if Necessary

    If the system needs to act as an SSH server, then certain changes should be made to the OpenSSH daemon configuration file <code>/etc/ssh/sshd_confi...
    Group
  • Disable SSH Root Login

    The root user should never be allowed to login to a system directly over a network. To disable root login via SSH, add or correct the following lin...
    Rule Medium Severity
  • Ensure /boot Located On Separate Partition

    It is recommended that the <code>/boot</code> directory resides on a separate partition. This makes it easier to apply restrictions e.g. through th...
    Rule Medium Severity
  • Ensure /opt Located On Separate Partition

    It is recommended that the /opt directory resides on a separate partition.
    Rule Medium Severity
  • Ensure /usr Located On Separate Partition

    It is recommended that the /usr directory resides on a separate partition.
    Rule Medium Severity
  • Ensure /var/tmp Located On Separate Partition

    The <code>/var/tmp</code> directory is a world-writable directory used for temporary file storage. Ensure it has its own partition or logical volum...
    Rule Medium Severity
  • Ensure tmp.mount Unit Us Enabled

    The <code>/tmp</code> directory is a world-writable directory used for temporary file storage. This directory is managed by <code>systemd-tmpfiles<...
    Rule Low Severity
  • Install sudo Package

    The sudo package can be installed with the following command:
    $ apt-get install sudo
    Rule Medium Severity
  • Verify Group Who Owns /etc/sudoers.d Directory

    To properly set the group owner of /etc/sudoers.d, run the command:
    $ sudo chgrp root /etc/sudoers.d
    Rule Medium 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