| 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 |
| 3.1.9 Disable Response to Multicast Echo Request - Check ip6_respond_to_echo_multicast value. Expected value: 0. | CIS Solaris 10 L1 v5.2 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.1.12 Set Strict Multihoming - Check ip_strict_dst_multihoming value. Expected value: 1. | CIS Solaris 10 L1 v5.2 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.1.13 Disable ICMPv4 Redirect Messages - Check ip_send_redirects value. Expected value: 0. | CIS Solaris 10 L1 v5.2 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.2.2 Ensure ICMP redirects are not accepted - 'net.ipv4.conf.all.accept_redirects = 0 sysctl' | CIS Amazon Linux v2.1.0 L1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.2.3 Ensure secure ICMP redirects are not accepted - 'net.ipv4.conf.default.secure_redirects = 0 sysctl' | CIS Amazon Linux v2.1.0 L1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.2.6 Ensure bogus ICMP responses are ignored - /etc/sysctl.conf /etc/sysctl.d/* | CIS Amazon Linux v2.1.0 L1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.2.7 Ensure Reverse Path Filtering is enabled - 'net.ipv4.conf.default.rp_filter = 1 /etc/sysctl.conf /etc/sysctl.d/*' | CIS Amazon Linux v2.1.0 L1 | 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 Disable Directed Broadcast Packet Forwarding - persistent ip = 0 | CIS Solaris 11.1 L1 v1.0.0 | 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 default deny firewall policy - Chain INPUT | CIS Aliyun Linux 2 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.3 Ensure outbound and established connections are configured | CIS Aliyun Linux 2 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 |
| 3.5.2.1 Ensure IPv6 default deny firewall policy - Chain FORWARD | CIS Aliyun Linux 2 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.2.4 Ensure IPv6 firewall rules exist for all open ports | CIS Aliyun Linux 2 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.1 Ensure iptables is installed | CIS Amazon Linux v2.1.0 L1 | 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 |
| 3.6.1.4 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 Workstation L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2 Ensure default deny firewall policy - Chain FORWARD | CIS Amazon Linux v2.1.0 L1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2 Ensure default deny firewall policy - Chain OUTPUT | CIS Amazon Linux v2.1.0 L1 | 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 |
| 3.6.2.7 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 |
| 3.6.3.2.1 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 |
| 3.6.3.3.1 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 |
| 3.7 Disable Response to ICMP Broadcast Timestamp Requests - persistent ip = 0 | CIS Solaris 11.1 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.8 Disable Response to ICMP Broadcast Netmask Requests - current ip = 0 | CIS Solaris 11.1 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.9 Disable Response to Broadcast ICMPv4 Echo Request - current ip = 0 | CIS Solaris 11.1 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.11 Ignore ICMP Redirect Messages - current ipv6 = 1 | CIS Solaris 11.1 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.11 Ignore ICMP Redirect Messages - persistent ipv6 = 1 | CIS Solaris 11.1 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.12 Set Strict Multihoming - persistent ipv4 = 1 | CIS Solaris 11.2 L1 v1.1.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.13 Disable ICMP Redirect Messages - persistent ipv4 = 0 | CIS Solaris 11.1 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.17 Disable Network Routing - ipv6-forwarding current = disabled | CIS Solaris 11.1 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.17 Disable Network Routing - ipv6-forwarding persistent = disabled | CIS Solaris 11.1 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 7.1.2 Disable Send Packet Redirects - net.ipv4.conf.all.send_redirects | CIS Debian Linux 7 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 7.2.3 Disable Secure ICMP Redirect Acceptance - net.ipv4.conf.all.secure_redirects | CIS Debian Linux 7 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 7.3.2 Disable IPv6 Redirect Acceptance - net.ipv6.conf.all.accept_redirects | CIS Debian Linux 7 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
