iptables -t filter -N MINIUPNPD 2>/dev/null
iptables -t nat -N MINIUPNPD 2>/dev/null
+iptables -t nat -N MINIUPNPD-POSTROUTING 2>/dev/null
[ -x $IP6TABLES ] && $IP6TABLES -t filter -N MINIUPNPD 2>/dev/null
# IPv4 - due to NAT, need to add both to nat and filter table
iptables -t filter -I zone_${ext_zone}_forward -j MINIUPNPD
iptables -t nat -I zone_${ext_zone}_prerouting -j MINIUPNPD
+ iptables -t nat -I zone_${ext_zone}_postrouting -j MINIUPNPD-POSTROUTING
# IPv6 if available - filter only
[ -x $IP6TABLES ] && {