| 3.4.1.6 Ensure ufw firewall rules exist for all open ports | CIS Ubuntu Linux 20.04 LTS Workstation L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.1 Ensure nftables is installed | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.1 Ensure nftables is installed | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.2 Ensure ufw is uninstalled or disabled with nftables | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.4 Ensure a nftables table exists | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.6 Ensure nftables loopback traffic is configured | CIS Ubuntu Linux 20.04 LTS Server L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.6 Ensure nftables loopback traffic is configured | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.7 Ensure nftables outbound and established connections are configured | CIS Ubuntu Linux 20.04 LTS Workstation L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.8 Ensure nftables default deny firewall policy | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.9 Ensure nftables service is enabled | CIS Ubuntu Linux 20.04 LTS Server L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.1.1 Ensure iptables packages are installed | CIS Ubuntu Linux 20.04 LTS Workstation L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.1.2 Ensure nftables is not installed with iptables | CIS Ubuntu Linux 20.04 LTS Server L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.1.3 Ensure ufw is uninstalled or disabled with iptables | CIS Ubuntu Linux 20.04 LTS Server L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.2.1 Ensure iptables default deny firewall policy | CIS Ubuntu Linux 20.04 LTS Server L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.2.2 Ensure iptables loopback traffic is configured | CIS Ubuntu Linux 20.04 LTS Server L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.2.3 Ensure iptables outbound and established connections are configured | CIS Ubuntu Linux 20.04 LTS Server L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.2.3 Ensure iptables outbound and established connections are configured | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.2.3 Ensure iptables outbound and established connections are configured | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.3.2 Ensure ip6tables loopback traffic is configured | CIS Ubuntu Linux 20.04 LTS Workstation L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.3.2 Ensure ip6tables loopback traffic is configured | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.3.3 Ensure ip6tables outbound and established connections are configured | CIS Ubuntu Linux 18.04 LTS v2.2.0 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 20.04 LTS Server L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.3 Ensure firewalld service is enabled and running | CIS SUSE Linux Enterprise 15 Server L1 v1.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.1 Ensure IPv6 loopback traffic is configured | CIS SUSE Linux Enterprise 12 v3.1.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.1.1 Ensure iptables package is installed | CIS SUSE Linux Enterprise 15 Server L1 v1.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.1.1 Ensure iptables package is installed | CIS SUSE Linux Enterprise 15 Workstation L1 v1.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.2 Ensure IPv6 outbound and established connections are configured | CIS SUSE Linux Enterprise 12 v3.1.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.1 Ensure IPv6 default deny firewall policy | CIS SUSE Linux Enterprise 15 Server L1 v1.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.2 Ensure IPv6 loopback traffic is configured | CIS SUSE Linux Enterprise 15 Workstation L1 v1.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.3 Ensure IPv6 outbound and established connections are configured | CIS SUSE Linux Enterprise 15 Workstation L1 v1.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.4 Ensure IPv6 firewall rules exist for all open ports | CIS SUSE Linux Enterprise 15 Server L1 v1.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.4 Ensure IPv6 default deny firewall policy | CIS SUSE Linux Enterprise 12 v3.1.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.1.2 Ensure 'Windows Firewall: Domain: Inbound connections' is set to 'Block (default)' | CIS Windows Server 2012 R2 DC L1 v2.5.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.1.2 Ensure 'Windows Firewall: Domain: Inbound connections' is set to 'Block (default)' | CIS Windows Server 2012 R2 MS L1 v2.5.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.1.3 Ensure 'Windows Firewall: Domain: Outbound connections' is set to 'Allow (default)' | CIS Windows Server 2012 R2 DC L1 v2.5.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.1.3 Ensure 'Windows Firewall: Domain: Outbound connections' is set to 'Allow (default)' | CIS Windows Server 2012 R2 MS L1 v2.5.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.1.3 Ensure 'Windows Firewall: Domain: Outbound connections' is set to 'Allow (default)' | CIS Windows Server 2012 DC L1 v2.1.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.2.2 Ensure 'Windows Firewall: Private: Inbound connections' is set to 'Block (default)' | CIS Windows Server 2012 DC L1 v2.1.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.2.2 Ensure 'Windows Firewall: Private: Inbound connections' is set to 'Block (default)' | CIS Windows Server 2012 R2 DC L1 v2.5.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.2.2 Ensure 'Windows Firewall: Private: Inbound connections' is set to 'Block (default)' | CIS Windows Server 2012 R2 MS L1 v2.5.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.2.2 Ensure 'Windows Firewall: Private: Inbound connections' is set to 'Block (default)' | CIS Windows Server 2012 MS L1 v2.1.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.2.3 Ensure 'Windows Firewall: Private: Outbound connections' is set to 'Allow (default)' | CIS Windows Server 2012 R2 DC L1 v2.5.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.2.3 Ensure 'Windows Firewall: Private: Outbound connections' is set to 'Allow (default)' | CIS Windows Server 2012 MS L1 v2.1.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.3.2 Ensure 'Windows Firewall: Public: Inbound connections' is set to 'Block (default)' | CIS Windows Server 2012 MS L1 v2.1.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.3.2 Ensure 'Windows Firewall: Public: Inbound connections' is set to 'Block (default)' | CIS Windows Server 2012 DC L1 v2.1.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.3.2 Ensure 'Windows Firewall: Public: Inbound connections' is set to 'Block (default)' | CIS Windows Server 2012 R2 DC L1 v2.5.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.3.3 Ensure 'Windows Firewall: Public: Outbound connections' is set to 'Allow (default)' | CIS Windows Server 2012 R2 MS L1 v2.5.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.3.3 Ensure 'Windows Firewall: Public: Outbound connections' is set to 'Allow (default)' | CIS Windows Server 2012 R2 DC L1 v2.5.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.3.3 Ensure 'Windows Firewall: Public: Outbound connections' is set to 'Allow (default)' | CIS Windows Server 2012 MS L1 v2.1.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.3.3 Ensure 'Windows Firewall: Public: Outbound connections' is set to 'Allow (default)' | CIS Windows Server 2012 DC L1 v2.1.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
