1iptables-translate -A INPUT -p udp -i eth0 --sport 53 -j ACCEPT 2nft add rule ip filter INPUT iifname "eth0" udp sport 53 counter accept 3 4iptables-translate -A OUTPUT -p udp -o eth0 --dport 53:66 -j DROP 5nft add rule ip filter OUTPUT oifname "eth0" udp dport 53-66 counter drop 6 7iptables-translate -I OUTPUT -p udp -d 8.8.8.8 -j ACCEPT 8nft insert rule ip filter OUTPUT ip protocol udp ip daddr 8.8.8.8 counter accept 9 10iptables-translate -I OUTPUT -p udp --dport 1020:1023 --sport 53 -j ACCEPT 11nft insert rule ip filter OUTPUT udp sport 53 udp dport 1020-1023 counter accept 12