26 lines
833 B
Plaintext
26 lines
833 B
Plaintext
#!/usr/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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# accept any localhost traffic
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iif lo accept
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# accept traffic originated from us
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ct state established,related accept
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# activate the following line to accept common local services
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tcp dport { 22 } ct state new accept
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# ICMPv6 packets which must not be dropped, see https://tools.ietf.org/html/rfc4890#section-4.4.1
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meta nfproto ipv6 icmpv6 type { destination-unreachable, packet-too-big, time-exceeded, parameter-problem, echo-reply, echo-request, nd-router-solicit, nd-router-advert, nd-neighbor-solicit, nd-neighbor-advert, 148, 149 } accept
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ip6 saddr fe80::/10 icmpv6 type { 130, 131, 132, 143, 151, 152, 153 } accept
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# count and drop any other traffic
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counter drop
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}
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}
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