#!/usr/local/bin/bash

# restart ipfw without dropping the stateful rules

knob="net.inet.ip.fw.dyn_keep_states"
orig=`sysctl $knob | cut -f 2 -w`

echo grab dyn_keep_states value and then set it to 1
sysctl net.inet.ip.fw.dyn_keep_states=1

# script used to load the ipfw rules
echo run ipfw.start
nohup /etc/ipfw/ipfw.start > /etc/ipfw/start.out 2>&1

echo return dyn_keep_states to its original value
sysctl $knob=$orig