3 [ "$ACTION" = ifup
-o "$ACTION" = ifupdate
] ||
exit 0
4 [ "$ACTION" = ifupdate
-a -z "$IFUPDATE_ADDRESSES" -a -z "$IFUPDATE_DATA" ] && exit 0
6 /etc
/init.d
/firewall enabled ||
exit 0
8 fw3
-q network
"$INTERFACE" >/dev
/null ||
exit 0
10 logger
-t firewall
"Reloading firewall due to $ACTION of $INTERFACE ($DEVICE)"