1#@!#!123s

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Filename : workstation.nft
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#!/usr/sbin/nft -f

flush ruleset

table inet filter {
	chain input {
		type filter hook input priority 0;

		# accept any localhost traffic
		iif lo accept

		# accept traffic originated from us
		ct state established,related accept

		# activate the following line to accept common local services
		#tcp dport { 22, 80, 443 } ct state new accept

		# ICMPv6 packets which must not be dropped, see https://tools.ietf.org/html/rfc4890#section-4.4.1
		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
		ip6 saddr fe80::/10 icmpv6 type { 130, 131, 132, 143, 151, 152, 153 } accept

		# count and drop any other traffic
		counter drop
	}
}