| 3.1.1 Disable IPv6 | CIS Fedora 19 Family Linux Server L2 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.1.1 Disable IPv6 - grub.cfg | CIS Debian Family Workstation L2 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.1.1 Disable IPv6 - sysctl.conf default | CIS Debian Family Workstation L2 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.3.3 Ensure /etc/hosts.deny is configured | CIS Debian 9 Server L1 v1.0.1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.1 Ensure default deny firewall policy - Chain FORWARD | CIS Debian 9 Server L1 v1.0.1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.1 Ensure default deny firewall policy - Chain INPUT | CIS Debian 9 Server L1 v1.0.1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.1 Ensure default deny firewall policy - Chain INPUT | CIS Debian 9 Workstation L1 v1.0.1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.1 Ensure FirewallD is installed | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.3 Ensure nftables is not installed or stopped and masked | CIS Fedora 19 Family Linux Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.3.1 Ensure IPv6 default deny firewall policy - Chain FORWARD | CIS Amazon Linux 2 STIG v1.0.0 L1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.3.1 Ensure IPv6 default deny firewall policy - Chain INPUT | CIS Amazon Linux 2 STIG v1.0.0 L1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.4 Ensure firewalld service is enabled and running - running | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.7 Ensure unnecessary services and ports are not accepted | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.3 Ensure iptables-services package is not installed | CIS Fedora 19 Family Linux Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.6 Ensure base chains exist - hook output | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.7 Ensure loopback traffic is configured - 'ip sddr' | CIS Fedora 19 Family Linux Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.8 Ensure outbound and established connections are configured | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.9 Ensure default deny firewall policy - hook output | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.10 Ensure nftables service is enabled | CIS Fedora 19 Family Linux Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.1.1 Ensure iptables packages are installed | CIS Fedora 19 Family Linux Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.1.3 Ensure firewalld is not installed or stopped and masked - is-enabled | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.2.5 Ensure iptables rules are saved - INPUT | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.2.6 Ensure iptables is enabled and running - is-enabled | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.2 Ensure IPv6 loopback traffic is configured - OUTPUT | CIS Fedora 19 Family Linux Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.6 Ensure ip6tables is enabled and running - is-enabled | CIS Fedora 19 Family Linux Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.1.1 Ensure Uncomplicated Firewall is installed | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.1.1 Ensure Uncomplicated Firewall is installed | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.1.2 Ensure iptables-persistent is not installed | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.1.4 Ensure loopback traffic is configured - allow in v6 | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.1.4 Ensure loopback traffic is configured - allow out v4 | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.1.4 Ensure loopback traffic is configured - allow out v4 | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.1.6 Ensure firewall rules exist for all open ports | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.1.7 Ensure default deny firewall policy | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.1 Ensure IPv4 default deny firewall policy - FORWARD | CIS CentOS 6 Workstation L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.1 Ensure IPv4 default deny firewall policy - INPUT | CIS CentOS 6 Workstation L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.3 Ensure iptables are flushed - v6 | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.6 Ensure loopback traffic is configured - v4 | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.6 Ensure loopback traffic is configured - v6 | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.7 Ensure outbound and established connections are configured | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.8 Ensure default deny firewall policy - input | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.1.1 Ensure iptables packages are installed - iptables | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.1.3 Ensure Uncomplicated Firewall is not installed or disabled | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.2 Ensure IPv6 loopback traffic is configured - OUTPUT | CIS CentOS 6 Workstation L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.2.1 Ensure default deny firewall policy - OUTPUT | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.2.3 Ensure outbound and established connections are configured | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.3 Ensure IPv6 outbound and established connections are configured | CIS CentOS 6 Workstation L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.3.1 Ensure IPv6 default deny firewall policy - Chain FORWARD | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.3.2 Ensure IPv6 loopback traffic is configured - INPUT | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.3.2 Ensure IPv6 loopback traffic is configured - INPUT | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.3.2 Ensure IPv6 loopback traffic is configured - OUTPUT | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
