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12 lines
573 B
12 lines
573 B
iptables-translate -A INPUT -p udp -i eth0 --sport 53 -j ACCEPT
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nft add rule ip filter INPUT iifname "eth0" udp sport 53 counter accept
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iptables-translate -A OUTPUT -p udp -o eth0 --dport 53:66 -j DROP
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nft add rule ip filter OUTPUT oifname "eth0" udp dport 53-66 counter drop
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iptables-translate -I OUTPUT -p udp -d 8.8.8.8 -j ACCEPT
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nft insert rule ip filter OUTPUT ip protocol udp ip daddr 8.8.8.8 counter accept
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iptables-translate -I OUTPUT -p udp --dport 1020:1023 --sport 53 -j ACCEPT
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nft insert rule ip filter OUTPUT udp sport 53 udp dport 1020-1023 counter accept
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