| 3.4.1.1 Ensure firewalld is installed | CIS Fedora 28 Family Linux Workstation L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.1 Ensure ufw is installed | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.1 Ensure ufw is installed | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.2 Ensure iptables-persistent is not installed with ufw | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.2 Ensure iptables-persistent is not installed with ufw | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.3 Ensure ufw service is enabled | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.7 Ensure firewalld drops unnecessary services and ports | CIS Fedora 28 Family Linux Workstation L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.7 Ensure ufw default deny firewall policy | CIS Debian Linux 10 v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.3 Ensure iptables are flushed with nftables | CIS Debian Linux 10 v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.6 Ensure nftables loopback traffic is configured | CIS Debian Linux 10 v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.7 Ensure nftables loopback traffic is configured | CIS Fedora 28 Family Linux Server L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.9 Ensure nftables service is enabled | CIS Debian Linux 10 v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.9 Ensure nftables service is enabled | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.10 Ensure nftables rules are permanent | CIS Debian Linux 10 v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.2.2 Ensure iptables loopback traffic is configured | CIS Debian Linux 10 v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.2.2 Ensure iptables loopback traffic is configured | CIS Debian Linux 10 v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.2.3 Ensure iptables outbound and established connections are configured | CIS Debian Linux 10 v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.2.4 Ensure iptables default deny firewall policy | CIS Fedora 28 Family Linux Workstation L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.2.4 Ensure iptables firewall rules exist for all open ports | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.2.5 Ensure iptables rules are saved | CIS Fedora 28 Family Linux Workstation L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.3.1 Ensure ip6tables default deny firewall policy | CIS Debian Linux 10 v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.3.2 Ensure ip6tables loopback traffic is configured | CIS Debian Linux 10 v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.3.3 Ensure ip6tables firewall rules exist for all open ports | CIS Fedora 28 Family Linux Server L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.3.4 Ensure ip6tables firewall rules exist for all open ports | CIS Debian Linux 10 v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.3.4 Ensure ip6tables firewall rules exist for all open ports | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.3.6 Ensure ip6tables is enabled and active | CIS CentOS Linux 8 Workstation L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.4 Ensure nftables base chains exist | CIS CentOS Linux 7 v4.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.4 Ensure nftables base chains exist | CIS CentOS Linux 7 v4.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.8 Ensure nftables service is enabled and active | CIS CentOS Linux 7 v4.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.2.5 Ensure iptables rules are saved | CIS CentOS Linux 7 v4.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.3.1 Ensure ip6tables loopback traffic is configured | CIS CentOS Linux 7 v4.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.3.2 Ensure ip6tables outbound and established connections are configured | CIS CentOS Linux 7 v4.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.3.3 Ensure ip6tables firewall rules exist for all open ports | CIS CentOS Linux 7 v4.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.3.6 Ensure ip6tables is enabled and active | CIS CentOS Linux 7 v4.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.1 Ensure firewalld is installed - iptables | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.7 Ensure firewalld drops unnecessary services and ports | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.4 Ensure iptables are flushed with nftables - ip6tables | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.7 Ensure nftables loopback traffic is configured - iif lo | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.8 Ensure nftables outbound and established connections are configured - input | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.9 Ensure nftables default deny firewall policy - forward | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.2.1 Ensure iptables loopback traffic is configured - Chain FORWARD | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.2.1 Ensure iptables loopback traffic is configured - Chain OUTPUT | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.2.2 Ensure iptables outbound and established connections are configured - input | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.2.2 Ensure iptables outbound and established connections are configured - output | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.2.4 Ensure iptables default deny firewall policy | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.2.5 Ensure iptables rules are saved | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.2.6 Ensure iptables is enabled and running - enabled | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.1 Ensure ip6tables loopback traffic is configured - Chain INPUT | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2 Ensure default deny firewall policy - OUTPUT | CIS SUSE Linux Enterprise Server 11 L1 v2.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3 Ensure loopback traffic is configured - input | CIS SUSE Linux Enterprise Workstation 11 L1 v2.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
