Level 1 Workstation Server Network Configuration Firewall Configuration Configure nftables Automated 4.4 Implement and Manage a Firewall on Servers 4.5 Implement and Manage a Firewall on End-User Devices IG1 IG2 IG3 T1562 T1562.004 TA0011 M1031 M1037 3.5.2.1 Ensure nftables is installed Audit# Run the following command to verify that nftables is installed: # dpkg-query -s nftables | grep 'Status: install ok installed' Status: install ok installed Remediation# Run the following command to install nftables: # apt install nftables