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ANSSI-BP-028 (intermediary)

Rules and Groups employed by this XCCDF Profile

  • 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
    Show

  • 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 the <code>root</code> user and the <code>root</code...
    Rule Medium Severity
    Show

  • 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
    Show

  • 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_config</code>. The following recommendations can be app...
    Group
    Show

  • 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 line in <code>/etc/ssh/sshd_config</code>: <pre>Pe...
    Rule Medium Severity
    Show

  • System Security Services Daemon

    The System Security Services Daemon (SSSD) is a system daemon that provides access to different identity and authentication providers such as Red Hat's IdM, Microsoft's AD, openLDAP, MIT Kerberos, ...
    Group
    Show

  • Install the SSSD Package

    The sssd package should be installed. The sssd package can be installed with the following command: 
    $ sudo yum install sssd
    Rule Medium Severity
    Show

  • Enable the SSSD Service

    The SSSD service should be enabled. The sssd service can be enabled with the following command: 
    $ sudo systemctl enable sssd.service
    Rule Medium Severity
    Show

  • Configure PAM in SSSD Services

    SSSD should be configured to run SSSD <code>pam</code> services. To configure SSSD to known SSH hosts, add <code>pam</code> to <code>services</code> under the <code>[sssd]</code> section in <code>/...
    Rule Medium Severity
    Show

  • System Security Services Daemon (SSSD) - LDAP

    The System Security Services Daemon (SSSD) is a system daemon that provides access to different identity and authentication providers such as Red Hat's IdM, Microsoft's AD, openLDAP, MIT Kerberos, ...
    Group
    Show

  • Configure SSSD LDAP Backend Client to Demand a Valid Certificate from the Server

    Configure SSSD to demand a valid certificate from the server to protect the integrity of LDAP remote access sessions by setting the <pre>ldap_tls_reqcert</pre> option in <pre>/etc/sssd/sssd.conf</p...
    Rule Medium Severity
    Show

  • Configure SSSD LDAP Backend to Use TLS For All Transactions

    The LDAP client should be configured to implement TLS for the integrity of all remote LDAP authentication sessions. If the <code>id_provider</code> is set to <code>ldap</code> or <code>ipa</code> i...
    Rule High Severity
    Show

  • Verify Group Who Owns /etc/shells File

    To properly set the group owner of /etc/shells, run the command: 
    $ sudo chgrp root /etc/shells
    Rule Medium Severity
    Show

  • Verify Who Owns /etc/shells File

    To properly set the owner of /etc/shells, run the command: 
    $ sudo chown root /etc/shells
    Rule Medium Severity
    Show

  • Verify Permissions on /etc/shells File

    To properly set the permissions of /etc/shells, run the command: 
    $ sudo chmod 0644 /etc/shells
    Rule Medium Severity
    Show

  • Ensure tmp.mount Unit Is Enabled

    The <code>/tmp</code> directory is a world-writable directory used for temporary file storage. This directory is managed by <code>systemd-tmpfiles</code>. Ensure that the <code>tmp.mount</code> sys...
    Rule Low Severity
    Show

  • 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
    Show

  • Verify User Who Owns /etc/sudoers.d Directory

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

  • Verify Permissions On /etc/sudoers.d Directory

    To properly set the permissions of /etc/sudoers.d, run the command: 
    $ sudo chmod 0750 /etc/sudoers.d
    Rule Medium Severity
    Show

  • Verify Group Who Owns /etc/sudoers File

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

  • Verify User Who Owns /etc/sudoers File

    To properly set the owner of /etc/sudoers, run the command: 
    $ sudo chown root /etc/sudoers
    Rule Medium Severity
    Show

  • Verify Permissions On /etc/sudoers File

    To properly set the permissions of /etc/sudoers, run the command: 
    $ sudo chmod 0440 /etc/sudoers
    Rule Medium Severity
    Show

  • Set Root Account Password Maximum Age

    Configure the root account to enforce a <xccdf-1.2:sub idref="xccdf_org.ssgproject.content_value_var_accounts_maximum_age_root" use="legacy"></xccdf-1.2:sub>-day maximum password lifetime restricti...
    Rule Medium Severity
    Show

  • Verify Group Who Owns /etc/ipsec.d Directory

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

  • Verify User Who Owns /etc/ipsec.d Directory

    To properly set the owner of /etc/ipsec.d, run the command: 
    $ sudo chown root /etc/ipsec.d
    Rule Medium Severity
    Show

  • Verify Permissions On /etc/ipsec.d Directory

    To properly set the permissions of /etc/ipsec.d, run the command: 
    $ sudo chmod 0700 /etc/ipsec.d
    Rule Medium Severity
    Show

  • Verify Group Who Owns /etc/ipsec.conf File

    To properly set the group owner of /etc/ipsec.conf, run the command: 
    $ sudo chgrp root /etc/ipsec.conf
    Rule Medium Severity
    Show

  • Verify Group Who Owns /etc/ipsec.secrets File

    To properly set the group owner of /etc/ipsec.secrets, run the command: 
    $ sudo chgrp root /etc/ipsec.secrets
    Rule Medium Severity
    Show

  • Verify User Who Owns /etc/ipsec.conf File

    To properly set the owner of /etc/ipsec.conf, run the command: 
    $ sudo chown root /etc/ipsec.conf
    Rule Medium Severity
    Show

  • Verify User Who Owns /etc/ipsec.secrets File

    To properly set the owner of /etc/ipsec.secrets, run the command: 
    $ sudo chown root /etc/ipsec.secrets
    Rule Medium Severity
    Show

  • Verify Permissions On /etc/ipsec.conf File

    To properly set the permissions of /etc/ipsec.conf, run the command: 
    $ sudo chmod 0644 /etc/ipsec.conf
    Rule Medium Severity
    Show

  • Verify Permissions On /etc/ipsec.secrets File

    To properly set the permissions of /etc/ipsec.secrets, run the command: 
    $ sudo chmod 0644 /etc/ipsec.secrets
    Rule Medium Severity
    Show

  • Verify Group Who Owns /etc/iptables Directory

    To properly set the group owner of /etc/iptables, run the command: 
    $ sudo chgrp root /etc/iptables
    Rule Medium Severity
    Show

  • Verify User Who Owns /etc/iptables Directory

    To properly set the owner of /etc/iptables, run the command: 
    $ sudo chown root /etc/iptables
    Rule Medium Severity
    Show

  • Verify Permissions On /etc/iptables Directory

    To properly set the permissions of /etc/iptables, run the command: 
    $ sudo chmod 0700 /etc/iptables
    Rule Medium Severity
    Show

  • Verify Group Who Owns /etc/nftables Directory

    To properly set the group owner of /etc/nftables, run the command: 
    $ sudo chgrp root /etc/nftables
    Rule Medium Severity
    Show

  • Verify User Who Owns /etc/nftables Directory

    To properly set the owner of /etc/nftables, run the command: 
    $ sudo chown root /etc/nftables
    Rule Medium Severity
    Show

  • Verify Permissions On /etc/nftables Directory

    To properly set the permissions of /etc/nftables, run the command: 
    $ sudo chmod 0700 /etc/nftables
    Rule Medium Severity
    Show

  • Verify that system commands directories have root as a group owner

    System commands are stored in the following directories: by default: <pre>/bin /sbin /usr/bin /usr/sbin /usr/local/bin /usr/local/sbin </pre> All these directories should have <code>root</code...
    Rule Medium Severity
    Show

  • Verify that system commands directories have root ownership

    System commands are stored in the following directories by default: <pre>/bin /sbin /usr/bin /usr/sbin /usr/local/bin /usr/local/sbin </pre> All these directories should be owned by the <code>...
    Rule Medium Severity
    Show

  • Verify Group Who Owns /etc/crypttab File

    To properly set the group owner of /etc/crypttab, run the command: 
    $ sudo chgrp root /etc/crypttab
    Rule Medium Severity
    Show

  • Verify User Who Owns /etc/crypttab File

    To properly set the owner of /etc/crypttab, run the command: 
    $ sudo chown root /etc/crypttab
    Rule Medium Severity
    Show

  • Verify Permissions On /etc/crypttab File

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

  • Verify Group Who Owns /etc/sysctl.d Directory

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

  • Verify User Who Owns /etc/sysctl.d Directory

    To properly set the owner of /etc/sysctl.d, run the command: 
    $ sudo chown root /etc/sysctl.d
    Rule Medium Severity
    Show

  • Verify Permissions On /etc/sysctl.d Directory

    To properly set the permissions of /etc/sysctl.d, run the command: 
    $ sudo chmod 0755 /etc/sysctl.d
    Rule Medium Severity
    Show

  • Verify Group Who Owns /etc/selinux Directory

    To properly set the group owner of /etc/selinux, run the command: 
    $ sudo chgrp root /etc/selinux
    Rule Medium Severity
    Show

  • Verify User Who Owns /etc/selinux Directory

    To properly set the owner of /etc/selinux, run the command: 
    $ sudo chown root /etc/selinux
    Rule Medium Severity
    Show

  • Verify Permissions On /etc/selinux Directory

    To properly set the permissions of /etc/selinux, run the command: 
    $ sudo chmod 0755 /etc/selinux
    Rule Medium Severity
    Show

  • Verify Group Who Owns /etc/sestatus.conf File

    To properly set the group owner of /etc/sestatus.conf, run the command: 
    $ sudo chgrp root /etc/sestatus.conf
    Rule Medium Severity
    Show

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