$IP6T -I input_rule -i $IFACE -p 4 -j ACCEPT
done
else
+ $IP4T -t nat -I postrouting_rule -o tnl_+ -j MASQUERADE
for IPT in $IP4T $IP6T; do
$IPT -I forwarding_rule -o tnl_+ -j ACCEPT
- $IPT -t nat -I postrouting_rule -o tnl_+ -j MASQUERADE
if [ "$nowan"="0" ]; then
for IFACE in $wanifnames; do
$IPT -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT