aredn/files/etc/local/mesh-firewall/04-wireguard

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#!/bin/sh
vtunduciport=$(uci get vtun.@options[0].port 2>/dev/null)
vtundport=${vtunduciport:-5525}
issupernode=$(uci get aredn.@supernode[0].enable 2>/dev/null)
if [ "$issupernode" = "1" ]; then
vtundport=$(($vtundport+1000))
fi
vtundportend=$(($vtundport+128))
nft insert rule ip fw4 input_wan udp dport $vtundport-$vtundportend accept comment \"Wireguard\"
nft insert rule ip fw4 output_wifi udp dport $vtundport-$vtundportend reject comment \"Wireguard\"
nft insert rule ip fw4 output_dtdlink udp dport $vtundport-$vtundportend reject comment \"Wireguard\"