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ANSSI-BP-028 (high)

Rules and Groups employed by this XCCDF Profile

  • User a virtually-mapped stack

    Enable this to use virtually-mapped kernel stacks with guard pages. This configuration is available from kernel 4.9. The configuration that was us...
    Rule Medium Severity
  • Generate some entropy during boot and runtime

    Instrument some kernel code to extract some entropy from both original and artificially created program state. This will help especially embedded s...
    Rule Medium Severity
  • Randomize layout of sensitive kernel structures

    Randomize at compile-time the layouts of structures that are entirely function pointers (and have not been manually annotated with __no_randomize_l...
    Rule Medium Severity
  • Poison kernel stack before returning from syscalls

    This option makes the kernel erase the kernel stack before returning from system calls. This has the effect of leaving the stack initialized to the...
    Rule Medium Severity
  • Force initialization of variables containing userspace addresses

    While the kernel is built with warnings enabled for any missed stack variable initializations, this warning is silenced for anything passed by refe...
    Rule Medium Severity
  • zero-init everything passed by reference

    Zero-initialize any stack variables that may be passed by reference and had not already been explicitly initialized. This configuration is availabl...
    Rule Medium Severity
  • Ensure rsyslog-gnutls is installed

    TLS protocol support for rsyslog is installed. The <code>rsyslog-gnutls</code> package can be installed with the following command: <pre> $ apt-ge...
    Rule Medium Severity
  • Enable logrotate Timer

    The logrotate timer can be enabled with the following command:
    $ sudo systemctl enable logrotate.timer
    Rule Medium Severity
  • Configure TLS for rsyslog remote logging

    Configure <code>rsyslog</code> to use Transport Layer Security (TLS) support for logging to remote server for the Forwarding Output Module in <code...
    Rule Medium Severity
  • Configure CA certificate for rsyslog remote logging

    Configure CA certificate for <code>rsyslog</code> logging to remote server using Transport Layer Security (TLS) using correct path for the <code>De...
    Rule Medium Severity
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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

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