| 2.5 Ensure firewall filters contain explicit deny and log term | CIS Juniper OS Benchmark v2.1.0 L2 | Juniper | SYSTEM AND COMMUNICATIONS PROTECTION |
| 2.6.5 Review Application Firewall Rules | CIS Apple macOS 10.12 L1 v1.2.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 2.8 Protocol Access Controls - 'interface.blocked.mgmt_data_traffic = on' | TNS NetApp Data ONTAP 7G | NetApp | SYSTEM AND COMMUNICATIONS PROTECTION |
| 2.8 Protocol Access Controls - 'interface.blocked.ndmp is not blank' | TNS NetApp Data ONTAP 7G | NetApp | SYSTEM AND COMMUNICATIONS PROTECTION |
| 2.8 Protocol Access Controls - 'interface.blocked.snapmirror has been configured' | TNS NetApp Data ONTAP 7G | NetApp | SYSTEM AND COMMUNICATIONS PROTECTION |
| 2.8 Protocol Access Controls - 'snmp.access has been configured' | TNS NetApp Data ONTAP 7G | NetApp | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.2.2 Ensure ICMP redirects are not accepted - 'net.ipv4.conf.all.accept_redirects = 0 /etc/sysctl.conf /etc/sysctl.d/*' | 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.all.secure_redirects = 0 /etc/sysctl.conf /etc/sysctl.d/*' | 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 /etc/sysctl.conf /etc/sysctl.d/*' | 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.all.rp_filter = 1 /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 sysctl' | CIS Amazon Linux v2.1.0 L1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.2.8 Ensure TCP SYN Cookies is enabled - /etc/sysctl.conf /etc/sysctl.d/* | CIS Amazon Linux v2.1.0 L1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.3.1 Ensure IPv6 router advertisements are not accepted - 'net.ipv6.conf.all.accept_ra = 0 /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 Aliyun Linux 2 L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.1 Ensure TCP Wrappers is installed | CIS Amazon Linux v2.1.0 L1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.4.4.1.2 Ensure nftables is not installed | CIS Ubuntu Linux 18.04 LXD Container L1 v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.5.1.2 Ensure loopback traffic is configured - output | 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 |
| 3.6.1 Ensure iptables is installed | CIS Amazon Linux v2.1.0 L1 | 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 INPUT | CIS Amazon Linux v2.1.0 L1 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.1 Ensure IPv4 default deny firewall policy - FORWARD | CIS CentOS 6 Server L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.1 Ensure IPv4 default deny firewall policy - OUTPUT | CIS CentOS 6 Workstation L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.1 Ensure ufw service is enabled - systemctl | CIS Ubuntu Linux 18.04 LXD Host L1 Workstation v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.2 Ensure default deny firewall policy | CIS Ubuntu Linux 18.04 LXD Host L1 Server v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.2.3 Ensure IPv4 outbound and established connections are configured | CIS CentOS 6 Workstation L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.1 Ensure IPv6 default deny firewall policy - OUTPUT | CIS CentOS 6 Workstation L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.2 Ensure IPv6 loopback traffic is configured - OUTPUT | CIS CentOS 6 Server L1 v3.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.3 Ensure base chains exist - forward | 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 |
| 3.6.3.4 Ensure loopback traffic is configured - v4 | 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 - v6 | CIS Ubuntu Linux 18.04 LXD Host L1 Server v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.5 Ensure outbound and established connections are configured | 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 - input | CIS Ubuntu Linux 18.04 LXD Host L1 Server v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.8 Ensure nftables rules are permanent | CIS Ubuntu Linux 18.04 LXD Host L1 Server v1.0.0 | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| 3.6.3.8 Ensure nftables rules are permanent | 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 Server 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 |
| 7.3.2 Ensure that the vSwitch MAC Address Change policy is set to reject | CIS VMware ESXi 5.1 v1.0.1 Level 1 | VMware | SYSTEM AND COMMUNICATIONS PROTECTION |
| 7.3.3 Ensure that the vSwitch Promiscuous Mode policy is set to reject | CIS VMware ESXi 5.1 v1.0.1 Level 1 | VMware | SYSTEM AND COMMUNICATIONS PROTECTION |
| Enable port locking by default on the VM guest network | TNS Citrix Hypervisor | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| Ensure default deny firewall policy - Chain OUTPUT | Tenable Cisco Firepower Management Center OS Best Practices Audit | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
| MSS: (DisableIPSourceRouting IPv6) IP source routing protection level (protects against packet spoofing) | MSCT Windows Server 2019 DC v1.0.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| MSS: (EnableICMPRedirect) Allow ICMP redirects to override OSPF generated routes | MSCT Windows Server v1909 MS v1.0.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| Windows Defender Firewall: Protect all network connections | MSCT Windows 10 1903 v1.19.9 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| Windows Defender Firewall: Protect all network connections | MSCT Windows 10 v21H2 v1.0.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| Windows Defender Firewall: Protect all network connections | MSCT Windows Server v2004 MS v1.0.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| Windows Firewall: Protect all network connections | MSCT Windows Server 2012 R2 MS v1.0.0 | Windows | SYSTEM AND COMMUNICATIONS PROTECTION |
| XenServer - Ensure IP forwarding is disabled | TNS Citrix XenServer | Unix | SYSTEM AND COMMUNICATIONS PROTECTION |
