nft list tables nft list table firewalld nft add chain firewalld output { type filter hook output priority 0 \; } nft add rule firewalld output ip daddr 8.8.8.8 counter nft add rule firewalld output tcp dport 80 counter nft list chain firewalld output nft list chain firewalld output -n -a nft add chain firewalld input { type filter hook input priority 0 \; } nft add rule firewalld input tcp dport 80 counter nft add rule firewalld input tcp dport 443 counter