Mine
public text v1 · immutable iptables -t nat -A prerouting_rule -i $WAN -p udp --dport 1194 -j ACCEPT
iptables -A input_rule -i $WAN -p udp --dport 1194 -j ACCEPT
iptables -A FORWARD -i $WAN -p udp --dport 1194 -o tun0 -j ACCEPT
I tried adding
iptables -A FORWARD -i tun0 -o vlan1 -j ACCEPT