| 2.2 (L1) Ensure the ESXi host firewall is configured to restrict access to services running on the host | CIS VMware ESXi 7.0 v1.5.0 L1 | VMware | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 2.2 Ensure the ESXi host firewall is configured to restrict access to services running on the host | CIS VMware ESXi 6.7 v1.3.0 Level 1 Bare Metal | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.1 Ensure nftables is installed | CIS AlmaLinux OS 8 Workstation L1 v3.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.1 Ensure nftables is installed | CIS Red Hat EL8 Workstation L1 v3.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.2 Ensure a single firewall configuration utility is in use | CIS Oracle Linux 8 Server L1 v3.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.2 Ensure a single firewall configuration utility is in use | CIS Oracle Linux 8 Workstation L1 v3.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.3 Ensure IPv4 outbound and established connections are configured | CIS Bottlerocket L2 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.1 Ensure nftables base chains exist | CIS AlmaLinux OS 8 Workstation L1 v3.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.1 Ensure nftables base chains exist | CIS Oracle Linux 8 Server L1 v3.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.1 Ensure nftables base chains exist | CIS Red Hat EL8 Workstation L1 v3.0.0 | 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 |
| 3.5.2.4 Ensure iptables are flushed with nftables - iptables | 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 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 input | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.6 Ensure nftables base chains exist - hook output | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | 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 |
| 3.5.2.8 Ensure nftables 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 |
| 3.5.2.9 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 |
| 3.5.2.9 Ensure nftables default deny firewall policy - 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 - output | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | 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 Workstation | 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 |
| 3.5.3.2.2 Ensure iptables 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 |
| 3.5.3.2.2 Ensure iptables outbound and established connections are configured - output | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.2.4 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 |
| 3.5.3.2.5 Ensure iptables rules are saved | 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 FORWARD | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.1 Ensure ip6tables loopback traffic is configured - Chain OUTPUT | CIS Red Hat Enterprise Linux 7 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.6 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 |
| 3.6.1 Ensure iptables is installed | CIS SUSE Linux Enterprise Server 11 L1 v2.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2 Ensure default deny firewall policy - INPUT | CIS SUSE Linux Enterprise Workstation 11 L1 v2.1.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2 Ensure default deny firewall policy - OUTPUT | CIS SUSE Linux Enterprise Workstation 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 |
| 3.6.4.1.4 Ensure firewall rules exist for all open ports | CIS Ubuntu Linux 18.04 LXD Host L1 Server v1.0.0 | Unix | CONFIGURATION MANAGEMENT, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.1.2 Ensure iptables-persistent is not installed with ufw | CIS Ubuntu Linux 22.04 LTS v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.1.2 Ensure iptables-persistent is not installed with ufw | CIS Debian Linux 11 v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.1.7 Ensure ufw default deny firewall policy | CIS Ubuntu Linux 22.04 LTS v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.2.2 Ensure firewalld loopback traffic is configured | CIS Red Hat Enterprise Linux 9 v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.2.5 Ensure nftables base chains exist | CIS Ubuntu Linux 22.04 LTS v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.2.6 Ensure nftables loopback traffic is configured | CIS Ubuntu Linux 22.04 LTS v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.3.1 Ensure nftables base chains exist | CIS Oracle Linux 9 v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.3.1 Ensure nftables base chains exist | CIS Red Hat Enterprise Linux 9 v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.3.2.1 Ensure iptables default deny firewall policy | CIS Ubuntu Linux 22.04 LTS v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.3.2.4 Ensure iptables firewall rules exist for all open ports | CIS Ubuntu Linux 22.04 LTS v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.3.3 Ensure nftables default deny firewall policy | CIS Red Hat Enterprise Linux 9 v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.3.3.1 Ensure ip6tables default deny firewall policy | CIS Ubuntu Linux 22.04 LTS v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.3.3.1 Ensure ip6tables default deny firewall policy | CIS Debian Linux 11 v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.3.3.2 Ensure ip6tables loopback traffic is configured | CIS Ubuntu Linux 22.04 LTS v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.3.4 Ensure nftables loopback traffic is configured | CIS Oracle Linux 9 v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.3.4 Ensure nftables loopback traffic is configured | CIS Oracle Linux 9 v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
