| 3.3.2.3 Ensure outbound and established connections are configured | CIS Google Container-Optimized OS v1.2.0 L2 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.1 Ensure ufw is installed | CIS Debian Linux 10 v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.2 Ensure a single firewall configuration utility is in use | CIS CentOS Linux 7 v4.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.4 Ensure firewalld service enabled and running | CIS Fedora 28 Family Linux Workstation L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.5 Ensure firewalld default zone is set | CIS Fedora 28 Family Linux Workstation L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.5 Ensure ufw outbound connections are configured | CIS Debian Linux 10 v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.6 Ensure network interfaces are assigned to appropriate zone | CIS Fedora 28 Family Linux Server 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 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.1 Ensure nftables is installed | CIS Fedora 28 Family Linux Workstation L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.2 Ensure firewalld service enabled and running | CIS CentOS Linux 7 v4.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.2 Ensure ufw is uninstalled or disabled with nftables | CIS Debian Linux 10 v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.3 Ensure firewalld drops unnecessary services and ports | CIS CentOS Linux 7 v4.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.4 Ensure network interfaces are assigned to appropriate zone | CIS CentOS Linux 7 v4.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.5 Ensure an nftables table exists | CIS Fedora 28 Family Linux Server L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.5 Ensure nftables base chains exist | CIS Debian Linux 10 v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.6 Ensure nftables base chains exist | CIS Fedora 28 Family Linux Server L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.7 Ensure nftables loopback traffic is configured | CIS Fedora 28 Family Linux Workstation L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.1 Ensure nftables is installed | CIS CentOS Linux 7 v4.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.1.3 Ensure ufw is uninstalled or disabled with iptables | CIS Debian Linux 10 v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.2 Ensure iptables are flushed with nftables | CIS CentOS Linux 7 v4.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.2.1 Ensure iptables default deny firewall policy | CIS Debian Linux 10 v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.2.1 Ensure iptables loopback traffic is configured | CIS Fedora 28 Family Linux Server L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.3 Ensure an nftables table exists | CIS CentOS Linux 7 v4.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.3.2 Ensure ip6tables outbound and established connections are configured | CIS Fedora 28 Family Linux Server L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.3.3 Ensure ip6tables outbound and established connections are configured | CIS Debian Linux 10 v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.3.4 Ensure ip6tables default deny firewall policy | CIS Fedora 28 Family Linux Workstation L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.3.4 Ensure ip6tables firewall rules exist for all open ports | CIS Debian Linux 10 v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.7 Ensure nftables default deny firewall policy | CIS CentOS Linux 7 v4.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.9 Ensure nftables rules are permanent | CIS CentOS Linux 7 v4.0.0 L1 Server | 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 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 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.3.4 Ensure ip6tables default deny firewall policy | CIS CentOS Linux 7 v4.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.3.5 Ensure ip6tables rules are saved | CIS CentOS Linux 7 v4.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.3.5 Ensure ip6tables rules are saved | 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 - firewalld | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.6 Ensure network interfaces are assigned to appropriate zone | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.1 Ensure nftables is installed | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.6 Ensure nftables base chains exist - hook forward | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.6 Ensure nftables base chains exist - hook forward | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.6 Ensure nftables base chains exist - hook input | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.7 Ensure nftables loopback traffic is configured - ip saddr | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.9 Ensure nftables default deny firewall policy - output | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.10 Ensure nftables service is enabled | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.1.1 Ensure iptables packages are installed - iptables | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.2.1 Ensure iptables loopback traffic is configured - Chain INPUT | 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 Server | 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 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.3 Ensure ip6tables firewall rules exist for all open ports | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.6 Ensure ip6tables is enabled and running | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.6 Ensure ip6tables is enabled and running - enabled | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
