| 3.4.1 Ensure DCCP is disabled - modprobe | CIS Debian 8 Workstation L1 v2.0.2 | 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 a single firewall configuration utility is in use | CIS Rocky Linux 8 Server L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.2 Ensure iptables-persistent is not installed with ufw | CIS Ubuntu Linux 20.04 LTS Workstation L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.3 Ensure ufw service is enabled | CIS Ubuntu Linux 20.04 LTS Server L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.5 Ensure ufw outbound connections are configured | CIS Ubuntu Linux 20.04 LTS Workstation L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.6 Ensure ufw 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 |
| 3.4.1.7 Ensure ufw default deny firewall policy | CIS Ubuntu Linux 20.04 LTS Workstation L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.7 Ensure ufw default deny firewall policy | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.2 Ensure host based firewall loopback traffic is configured | CIS Rocky Linux 8 Workstation L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.2 Ensure ufw is uninstalled or disabled with nftables | CIS Ubuntu Linux 20.04 LTS Server L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.2 Ensure ufw is uninstalled or disabled with nftables | CIS Ubuntu Linux 20.04 LTS Workstation L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.3 Ensure firewalld drops unnecessary services and ports | CIS Rocky Linux 8 Server L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.4 Ensure nftables established connections are configured | CIS Rocky Linux 8 Server L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.4 Ensure nftables established connections are configured | CIS Rocky Linux 8 Workstation L1 v2.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.5 Ensure nftables base chains exist | CIS Ubuntu Linux 20.04 LTS Server L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.5 Ensure nftables base chains exist | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Workstation | 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 Workstation L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.7 Ensure nftables 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 |
| 3.4.2.8 Ensure nftables default deny firewall policy | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Workstation | 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 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 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 20.04 LTS Workstation L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.3.1 Ensure ip6tables default deny firewall policy | 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 20.04 LTS Server L1 v2.0.1 | 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 |
| 3.4.3.3.4 Ensure ip6tables firewall rules exist for all open ports | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.2.3 Ensure iptables rules exist for all open ports | CIS CentOS Linux 7 v4.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.3.2 Ensure ip6tables outbound and established connections are configured | CIS Red Hat Enterprise Linux 7 v4.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.2 Ensure loopback traffic is configured - output | CIS Debian 8 Workstation L1 v2.0.2 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.5 Ensure network interfaces are assigned to appropriate zone | CIS SUSE Linux Enterprise 15 Server L1 v1.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.6 Ensure unnecessary services and ports are not accepted | CIS SUSE Linux Enterprise 15 Workstation L1 v1.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.1 Ensure IPv6 default deny firewall policy - Chain FORWARD | CIS Debian 8 Workstation L1 v2.0.2 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.1 Ensure IPv6 default deny firewall policy - Chain INPUT | CIS Debian 8 Server L1 v2.0.2 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.1 Ensure loopback traffic is configured | CIS SUSE Linux Enterprise 12 v3.1.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.3 Ensure iptables are flushed | CIS SUSE Linux Enterprise 15 Server L1 v1.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.4 Ensure a table exists | CIS SUSE Linux Enterprise 15 Workstation L1 v1.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.5 Ensure base chains exist | CIS SUSE Linux Enterprise 15 Server L1 v1.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.7 Ensure outbound and established connections are configured | CIS SUSE Linux Enterprise 15 Server L1 v1.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.8 Ensure default deny firewall policy | CIS SUSE Linux Enterprise 15 Workstation L1 v1.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.10 Ensure nftables rules are permanent | CIS SUSE Linux Enterprise 15 Workstation L1 v1.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.2.1 Ensure default deny firewall policy | CIS SUSE Linux Enterprise 15 Server L1 v1.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.2.2 Ensure loopback traffic is configured | CIS SUSE Linux Enterprise 15 Server L1 v1.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3 Ensure IPv6 firewall rules exist for all open ports | CIS SUSE Linux Enterprise 12 v3.1.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6 Ensure That SSH Access Is Restricted From the Internet | CIS Google Cloud Platform v3.0.0 L2 | GCP | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.5 Ensure firewall rules exist for all open ports | CIS SUSE Linux Enterprise Workstation 11 L1 v2.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.6 Ensure That IP Forwarding Is Not Enabled on Instances | CIS Google Cloud Platform v3.0.0 L1 | GCP | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 5.10 (L1) Host must restrict the use of Virtual Guest Tagging (VGT) on standard virtual switches | CIS VMware ESXi 8.0 v1.1.0 L1 | VMware | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 9.2.4 (L1) Ensure 'Windows Firewall: Private: Settings: Display a notification' is set to 'No' | CIS Microsoft Windows 8.1 v2.4.1 L1 Bitlocker | Windows | SECURITY ASSESSMENT AND AUTHORIZATION, CONFIGURATION MANAGEMENT |
| 9.3.4 (L1) Ensure 'Windows Firewall: Public: Settings: Display a notification' is set to 'No' | CIS Microsoft Windows 8.1 v2.4.1 L1 Bitlocker | Windows | SECURITY ASSESSMENT AND AUTHORIZATION, CONFIGURATION MANAGEMENT |
