| 3.1 Ignore Erroneous or Unwanted Queries - Multicast addresses | CIS BIND DNS v3.0.1 Authoritative Name Server | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.1 Ignore Erroneous or Unwanted Queries - RFC 1918 192.168/16; addresses | CIS BIND DNS v3.0.1 Authoritative Name Server | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.1 Ignore Erroneous or Unwanted Queries - RFC 1918 192.168/16; addresses | CIS BIND DNS v3.0.1 Caching Only Name Server | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.3.2 Ensure /etc/hosts.allow is configured | CIS Debian 9 Workstation L1 v1.0.1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.2 Ensure loopback traffic is configured - input | CIS Debian 9 Server L1 v1.0.1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.2 Ensure loopback traffic is configured - input | CIS Debian 9 Workstation L1 v1.0.1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.3 Ensure outbound and established connections are configured | CIS Debian 9 Workstation L1 v1.0.1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.4 Ensure firewalld service is enabled and running - enabled | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.5 Ensure default zone is set | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.1 Ensure IPv6 default deny firewall policy - Chain FORWARD | CIS Debian 9 Server L1 v1.0.1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.1 Ensure nftables is installed | CIS Fedora 19 Family Linux Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.4 Ensure iptables are flushed - ip6tables | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.4 Ensure IPv6 firewall rules exist for all open ports | CIS Debian 9 Workstation L1 v1.0.1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.6 Ensure base chains exist - hook forward | CIS Fedora 19 Family Linux Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.6 Ensure base chains exist - hook forward | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.6 Ensure base chains exist - hook input | 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 Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.7 Ensure loopback traffic is configured - 'iif 'lo' accept' | CIS Fedora 19 Family Linux Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.9 Ensure default deny firewall policy - hook input | 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 Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.1.2 Ensure nftables is not installed | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.1.3 Ensure firewalld is not installed or stopped and masked - status | CIS Fedora 19 Family Linux Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.2.3 Ensure outbound and established connections are configured | 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 - FORWARD | CIS Fedora 19 Family Linux Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.1 Ensure IPv6 default deny firewall policy - Chain FORWARD | 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 - INPUT | CIS Fedora 19 Family Linux Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.3 Ensure IPv6 outbound and established connections are configured | CIS Fedora 19 Family Linux Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.3 Ensure IPv6 outbound and established connections are configured | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.5 Ensure ip6tables rules are saved - FORWARD | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.5 Ensure ip6tables rules are saved - 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 - status | 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 - status | CIS Fedora 19 Family Linux Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.1.2 Ensure iptables-persistent is not installed | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.1.4 Ensure loopback traffic is configured - allow in v4 | 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 Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.1.4 Ensure loopback traffic is configured - deny in from 127.0.0.0/8 | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.1.4 Ensure loopback traffic is configured - deny in from 127.0.0.0/8 | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.2 Ensure IPv4 loopback traffic is configured - INPUT | CIS CentOS 6 Workstation L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.5 Ensure base chains exist - forward | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.6 Ensure loopback traffic is configured - v4 | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.6 Ensure loopback traffic is configured - v6 | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.8 Ensure default deny firewall policy - input | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.8 Ensure default deny firewall policy - output | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.10 Ensure nftables rules are permanent | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.2.1 Ensure default deny firewall policy - FORWARD | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.2.1 Ensure default deny firewall policy - INPUT | CIS Debian Family Server L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.2.1 Ensure default deny firewall policy - INPUT | CIS Debian Family Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 7.1.1 Disable IP Forwarding | CIS Debian Linux 7 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 7.1.2 Disable Send Packet Redirects - net.ipv4.conf.default.send_redirects | CIS Debian Linux 7 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 7.2.2 Disable ICMP Redirect Acceptance - net.ipv4.conf.all.accept_redirects | CIS Debian Linux 7 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
