| 3.3.1 Ensure TCP Wrappers is installed | CIS Distribution Independent Linux Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.3.1 Ensure TCP Wrappers is installed | CIS Debian 9 Server L1 v1.0.1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.3.1 Ensure TCP Wrappers is installed | CIS Debian 9 Workstation L1 v1.0.1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.3.3 Ensure /etc/hosts.deny is configured | CIS Ubuntu Linux 18.04 LXD Container L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1 Ensure TCP Wrappers is installed | CIS Red Hat 6 Workstation L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1 Ensure TCP Wrappers is installed | CIS Red Hat 6 Server L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1 Ensure TCP Wrappers is installed | CIS Ubuntu Linux 18.04 LXD Host L1 Workstation v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.1 Ensure a Firewall package is installed | CIS Ubuntu Linux 18.04 LXD Container L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2 Ensure /etc/hosts.allow is configured | CIS Red Hat 6 Workstation L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2 Ensure /etc/hosts.allow is configured | CIS Red Hat 6 Server L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2 Ensure /etc/hosts.allow is configured | CIS CentOS 6 Workstation L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2 Ensure /etc/hosts.allow is configured | CIS Ubuntu Linux 18.04 LXD Host L1 Workstation v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3 Ensure /etc/hosts.deny is configured | CIS Red Hat 6 Workstation L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3 Ensure /etc/hosts.deny is configured | CIS Ubuntu Linux 18.04 LXD Host L1 Server v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3 Ensure /etc/hosts.deny is configured | CIS CentOS 6 Server L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.2.1 Ensure default deny firewall policy - 'Chain FORWARD' | CIS Ubuntu Linux 18.04 LXD Container L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.3.4 Ensure IPv6 firewall rules exist for all open ports | CIS Ubuntu Linux 18.04 LXD Container L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.1 Ensure IPv6 default deny firewall policy - Chain FORWARD | CIS Distribution Independent Linux Server L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.1 Ensure IPv6 default deny firewall policy - Chain INPUT | CIS Distribution Independent Linux Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.1 Ensure IPv6 default deny firewall policy - Chain OUTPUT | CIS Distribution Independent Linux Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.2 Ensure IPv6 loopback traffic is configured - INPUT | CIS Distribution Independent Linux Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.2 Ensure IPv6 loopback traffic is configured - OUTPUT | CIS Distribution Independent Linux Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.3 Ensure IPv6 outbound and established connections are configured | CIS Distribution Independent Linux Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.4 Ensure IPv6 firewall rules exist for all open ports | CIS Distribution Independent Linux Server L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.1 Ensure default deny firewall policy - Chain FORWARD | CIS Distribution Independent Linux Server L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.1 Ensure default deny firewall policy - Chain INPUT | CIS Distribution Independent Linux Server L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.2 Ensure loopback traffic is configured - INPUT | CIS Distribution Independent Linux Server L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.2 Ensure loopback traffic is configured - OUTPUT | CIS Distribution Independent Linux Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.3 Ensure outbound and established connections are configured | CIS Distribution Independent Linux Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3 Ensure iptables is installed | CIS Distribution Independent Linux Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.3 Ensure ip6tables outbound and established connections are configured | CIS Ubuntu Linux 16.04 LTS Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.1.1 Ensure iptables is installed | CIS Red Hat 6 Workstation L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.1.3 Ensure ufw service is enabled - systemctl | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.9 Ensure nftables service is enabled | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.3.3 Ensure IPv6 outbound and established connections are configured | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.3.4 Ensure IPv6 firewall rules exist for all open ports | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.4.1.1 Ensure default deny firewall policy - 'Chain OUTPUT' | CIS Ubuntu Linux 18.04 LXD Host L1 Workstation v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.4.1.2 Ensure loopback traffic is configured | CIS Ubuntu Linux 18.04 LXD Host L1 Workstation v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.4.1.3 Ensure outbound and established connections are configured | CIS Ubuntu Linux 18.04 LXD Host L1 Workstation v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.4.2.3 Ensure IPv6 outbound and established connections are configured | CIS Ubuntu Linux 18.04 LXD Host L1 Workstation v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.4.2.4 Ensure IPv6 firewall rules exist for all open ports | CIS Ubuntu Linux 18.04 LXD Host L1 Server v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.4.2.4 Ensure IPv6 firewall rules exist for all open ports | CIS Ubuntu Linux 18.04 LXD Host L1 Workstation v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.1.4 Ensure ufw outgoing default is configured | CIS Ubuntu Linux 22.04 LTS v3.0.0 L2 Workstation | Unix | CONFIGURATION MANAGEMENT |
| 4.1.4 Ensure ufw outgoing default is configured | CIS Ubuntu Linux 22.04 LTS v3.0.0 L2 Server | Unix | CONFIGURATION MANAGEMENT |
| 4.1.5 Ensure ufw routed default is configured | CIS Ubuntu Linux 22.04 LTS v3.0.0 L1 Server | Unix | CONFIGURATION MANAGEMENT |
| 4.1.5 Ensure ufw routed default is configured | CIS Ubuntu Linux 22.04 LTS v3.0.0 L1 Workstation | Unix | CONFIGURATION MANAGEMENT |
| 4.5.1 Install TCP Wrappers | CIS Red Hat Enterprise Linux 5 L1 v2.2.1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.5.3 Verify Permissions on /etc/hosts.allow | CIS Red Hat Enterprise Linux 5 L1 v2.2.1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.5.5 Verify Permissions on /etc/hosts.deny | CIS Red Hat Enterprise Linux 5 L1 v2.2.1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.7 Enable IPtables | CIS Red Hat Enterprise Linux 5 L1 v2.2.1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
