| 3.1.1 Ensure IP forwarding is disabled (sysctl exec) | CIS Ubuntu Linux 14.04 LTS Workstation L1 v2.1.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.1.1 Ensure IP forwarding is disabled (sysctl.conf/sysctl.d) | CIS Ubuntu Linux 14.04 LTS Workstation L1 v2.1.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.1.2 Ensure packet redirect sending is disabled - 'sysctl net.ipv4.conf.all.send_redirects' | CIS Ubuntu Linux 14.04 LTS Workstation L1 v2.1.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.1.2 Ensure packet redirect sending is disabled - 'sysctl net.ipv4.conf.default.send_redirects' | CIS Ubuntu Linux 14.04 LTS Workstation L1 v2.1.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.2.2 Ensure ICMP redirects are not accepted - 'sysctl net.ipv4.conf.all.accept_redirects' | CIS Ubuntu Linux 14.04 LTS Workstation L1 v2.1.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.2.5 Ensure broadcast ICMP requests are ignored (sysctl.conf/sysctl.d) | CIS Ubuntu Linux 14.04 LTS Workstation L1 v2.1.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.2.6 Ensure bogus ICMP responses are ignored (sysctl exec) | CIS Ubuntu Linux 14.04 LTS Workstation L1 v2.1.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.2.7 Ensure Reverse Path Filtering is enabled - 'net.ipv4.conf.all.rp_filter' (sysctl.conf/sysctl.d) | CIS Ubuntu Linux 14.04 LTS Workstation L1 v2.1.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.2.7 Ensure Reverse Path Filtering is enabled - 'net.ipv4.conf.default.rp_filter' (sysctl.conf/sysctl.d) | CIS Ubuntu Linux 14.04 LTS Workstation L1 v2.1.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.3.1 Ensure IPv6 router advertisements are not accepted - 'net.ipv6.conf.all.accept_ra' (sysctl.conf/sysctl.d) | CIS Ubuntu Linux 14.04 LTS Workstation L1 v2.1.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.3.2 Ensure IPv6 redirects are not accepted - 'sysctl net.ipv6.conf.default.accept_redirects' | CIS Ubuntu Linux 14.04 LTS Workstation L1 v2.1.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.1 Ensure ufw service is enabled - ufw | CIS Ubuntu Linux 18.04 LXD Container L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.3 Ensure loopback traffic is configured - v4 | CIS Ubuntu Linux 18.04 LXD Container L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.3 Ensure loopback traffic is configured - v6 | CIS Ubuntu Linux 18.04 LXD Container L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.2.4 Ensure outbound connections are configured | CIS Ubuntu Linux 18.04 LXD Container L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.3 Ensure base chains exist - forward | CIS Ubuntu Linux 18.04 LXD Container L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.4 Ensure loopback traffic is configured - lo | CIS Ubuntu Linux 18.04 LXD Container L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.4 Ensure loopback traffic is configured - v4 | CIS Ubuntu Linux 18.04 LXD Container L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.3.6 Ensure default deny firewall policy - input | CIS Ubuntu Linux 18.04 LXD Container L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.1.3 Ensure Uncomplicated Firewall (UFW) is not installed or stopped and masked | CIS Ubuntu Linux 18.04 LXD Container L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.3.1 Ensure IPv6 default deny firewall policy - 'Chain INPUT' | CIS Ubuntu Linux 18.04 LXD Container L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.3.2 Ensure IPv6 loopback traffic is configured | CIS Ubuntu Linux 18.04 LXD Container L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.3 Ensure ufw service is enabled - ufw | CIS Ubuntu Linux 16.04 LTS Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.4 Ensure ufw loopback traffic is configured - v6 | CIS Ubuntu Linux 16.04 LTS Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.2 Ensure ufw is uninstalled or disabled with nftables | CIS Ubuntu Linux 16.04 LTS Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.4 Ensure a nftables table exists | CIS Ubuntu Linux 16.04 LTS Server L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.5 Ensure nftables base chains exist - forward | CIS Ubuntu Linux 16.04 LTS Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.5 Ensure nftables base chains exist - output | CIS Ubuntu Linux 16.04 LTS Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.8 Ensure nftables default deny firewall policy - forward | CIS Ubuntu Linux 16.04 LTS Server L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.8 Ensure nftables default deny firewall policy - output | CIS Ubuntu Linux 16.04 LTS Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.10 Ensure nftables rules are permanent | CIS Ubuntu Linux 16.04 LTS Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.1.1 Ensure iptables packages are installed - iptables-persistent | CIS Ubuntu Linux 16.04 LTS Server L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.2.1 Ensure iptables default deny firewall policy - 'Chain FORWARD' | CIS Ubuntu Linux 16.04 LTS Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.2 Ensure ip6tables loopback traffic is configured | CIS Ubuntu Linux 16.04 LTS Workstation L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.3.3.4 Ensure ip6tables firewall rules exist for all open ports | CIS Ubuntu Linux 16.04 LTS Server L1 v2.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2 Ensure default deny firewall policy - 'Chain FORWARD' | CIS Ubuntu Linux 14.04 LTS Workstation L1 v2.1.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2 Ensure default deny firewall policy - 'Chain OUTPUT' | CIS Ubuntu Linux 14.04 LTS Workstation L1 v2.1.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.1 Ensure ufw service is enabled - systemctl | CIS Ubuntu Linux 18.04 LXD Host L1 Server v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.3 Ensure loopback traffic is configured - v6 | CIS Ubuntu Linux 18.04 LXD Host L1 Server v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.3 Ensure base chains exist - output | CIS Ubuntu Linux 18.04 LXD Host L1 Server v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.4 Ensure loopback traffic is configured - lo | CIS Ubuntu Linux 18.04 LXD Host L1 Workstation v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.4 Ensure loopback traffic is configured - lo | CIS Ubuntu Linux 18.04 LXD Host L1 Server v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.6 Ensure default deny firewall policy - forward | CIS Ubuntu Linux 18.04 LXD Host L1 Workstation v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.6 Ensure default deny firewall policy - output | CIS Ubuntu Linux 18.04 LXD Host L1 Workstation v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.4.2.1 Ensure IPv6 default deny firewall policy - 'Chain OUTPUT' | CIS Ubuntu Linux 18.04 LXD Host L1 Workstation v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.4.2.2 Ensure IPv6 loopback traffic is configured | CIS Ubuntu Linux 18.04 LXD Host L1 Workstation v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| Apply local connection security rules | MSCT Windows 10 v1507 v1.0.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| Firewall State - Public Profile | MSCT Windows Server 1903 MS v1.19.9 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| IBM i : Automatic Configuration of Virtual Devices (QAUTOVRT) - '0' | IBM System i Security Reference for V7R2 | AS/400 | SYSTEM AND COMMUNICATIONS PROTECTION |
| IBM i : Automatic Configuration of Virtual Devices (QAUTOVRT) - '0' | IBM System i Security Reference for V7R3 | AS/400 | SYSTEM AND COMMUNICATIONS PROTECTION |
