| 3.4.1.1 Ensure iptables is installed | CIS Red Hat Enterprise Linux 7 v4.0.0 L1 Workstation | 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 CentOS Linux 7 v4.0.0 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 |
| 3.4.1.4 Ensure ufw loopback traffic is configured | CIS Ubuntu Linux 20.04 LTS Workstation L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1.6 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 |
| 3.4.2.1 Ensure nftables base chains exist | CIS AlmaLinux OS 8 Server L1 v3.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.1 Ensure nftables is installed | 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 CentOS Linux 7 v4.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.3 Ensure firewalld drops unnecessary services and ports | CIS AlmaLinux OS 8 Server L1 v3.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.3 Ensure iptables are flushed with nftables | CIS Ubuntu Linux 20.04 LTS Workstation L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.4 Ensure nftables established connections are configured | CIS AlmaLinux OS 8 Server L1 v3.0.0 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.8 Ensure nftables default deny firewall policy | CIS Ubuntu Linux 20.04 LTS Workstation L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.10 Ensure nftables rules are permanent | CIS Ubuntu Linux 18.04 LTS v2.2.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.1 Ensure nftables is installed | CIS Red Hat Enterprise Linux 7 v4.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.1.1 Ensure iptables packages are installed | CIS Ubuntu Linux 18.04 LTS v2.2.0 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 Ubuntu Linux 18.04 LTS v2.2.0 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 Workstation | 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 Workstation L1 v2.0.1 | 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 20.04 LTS Workstation L1 v2.0.1 | 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 Workstation | 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 20.04 LTS Workstation L1 v2.0.1 | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.6 Ensure nftables 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 |
| 3.4.3.8 Ensure nftables service is enabled and active | CIS Red Hat Enterprise 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 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.9 Ensure nftables rules are permanent | CIS Red Hat Enterprise Linux 7 v4.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.2.1 Ensure iptables loopback traffic is configured | CIS Red Hat Enterprise Linux 7 v4.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.2.2 Ensure iptables outbound and established connections are configured | CIS Red Hat Enterprise Linux 7 v4.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.2.2 Ensure iptables 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 |
| 3.4.4.2.6 Ensure iptables service is enabled and active | CIS Red Hat Enterprise 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 |
| 3.4.4.3.1 Ensure ip6tables loopback traffic is configured | CIS Red Hat Enterprise 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 |
| 3.4.4.3.4 Ensure ip6tables default deny firewall policy | 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 | CIS Amazon Linux 2 STIG v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.5 Ensure firewalld default zone is set | CIS Amazon Linux 2 STIG v2.0.0 STIG | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.4 Ensure iptables are flushed with nftables | CIS Amazon Linux 2 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 | CIS Amazon Linux 2 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 | CIS Amazon Linux 2 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 | CIS Amazon Linux 2 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 | CIS Amazon Linux 2 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 | CIS Amazon Linux 2 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 Amazon Linux 2 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 Amazon Linux 2 STIG v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.2.6 Ensure iptables is enabled and running | CIS Amazon Linux 2 STIG v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.2 Ensure ip6tables outbound and established connections are configured | CIS Amazon Linux 2 STIG v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.2.1 Ensure firewalld is installed | CIS SUSE Linux Enterprise 15 v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.2.3 Ensure firewalld loopback traffic is configured | CIS SUSE Linux Enterprise 15 v2.0.0 L1 Workstation | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
| 4.2.4 Ensure default zone is set | CIS SUSE Linux Enterprise 15 v2.0.0 L1 Server | Unix | SECURITY ASSESSMENT AND AUTHORIZATION, SYSTEM AND COMMUNICATIONS PROTECTION |
