72 lines
1.5 KiB
Text
72 lines
1.5 KiB
Text
#!/usb/sbin/nft -f
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flush ruleset
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table inet filter {
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chain input {
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type filter hook input priority 0
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policy drop
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tcp flags syn tcp option maxseg size 1-500 drop
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ct state { established, related } accept
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ct state invalid drop
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iif lo accept
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icmp type timestamp-request drop
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icmp type timestamp-reply drop
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ip protocol icmp accept
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ip6 nexthdr ipv6-icmp accept
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% for ruleset, rules in sorted(node.metadata.get('nftables/rules/input', {}).items()):
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# ${ruleset}
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% for rule in rules:
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${rule}
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% endfor
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# / ${ruleset}
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% endfor
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}
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chain output {
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type filter hook output priority 0
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policy accept
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}
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chain forward {
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type filter hook forward priority 0
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policy drop
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icmp type timestamp-request drop
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icmp type timestamp-reply drop
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% for ruleset, rules in sorted(node.metadata.get('nftables/rules/forward', {}).items()):
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# ${ruleset}
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% for rule in rules:
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${rule}
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% endfor
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# / ${ruleset}
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% endfor
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}
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}
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table nat {
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chain prerouting {
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type nat hook prerouting priority -100
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% for rule in node.metadata.get('nftables/rules/nat_prerouting', []):
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${rule}
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% endfor
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}
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chain postrouting {
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type nat hook postrouting priority 100
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% for rule in node.metadata.get('nftables/rules/nat_postrouting', []):
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${rule}
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% endfor
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}
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}
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include "/etc/nftables-rules.d/*-*"
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