28 lines
846 B
Plaintext
28 lines
846 B
Plaintext
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#!/usr/bin/nft -f
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# vim:set ts=2 sw=2 et:
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# IPv4/IPv6 Simple & Safe firewall ruleset.
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# More examples in /usr/share/nftables/ and /usr/share/doc/nftables/examples/.
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table inet filter
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delete table inet filter
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table inet filter {
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chain input {
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type filter hook input priority filter
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policy drop
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ct state invalid drop comment "early drop of invalid connections"
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ct state {established, related} accept comment "allow tracked connections"
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iifname lo accept comment "allow from loopback"
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ip protocol icmp accept comment "allow icmp"
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meta l4proto ipv6-icmp accept comment "allow icmp v6"
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tcp dport ssh accept comment "allow sshd"
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pkttype host limit rate 5/second counter reject with icmpx type admin-prohibited
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counter
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}
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chain forward {
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type filter hook forward priority filter
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policy drop
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}
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}
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