#!/bin/bash

Me='kernel'
MyVersion='0.1'

SetProc () {
	if [ -e "$1" ]; then
		echo "#Setting $1 to $2"
		echo "sudo echo "`sudo cat "$1"`" >$1"
		sudo echo "$2" >"$1"
	else
		echo "#This kernel has no $1, skipping"
	fi
}

Action="$1"
case "$Action" in
start)
	echo "#Starting $Me"
	echo "#The output from this script can be saved to a file that can be"
	echo "#later run to restore the current settings."

	SetProc /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts 1
	SetProc /proc/sys/net/ipv4/tcp_syncookies 1

	for OneProc in \
	 /proc/sys/net/ipv4/conf/*/accept_redirects \
	 /proc/sys/net/ipv4/conf/*/accept_source_route \
	 ; do
		SetProc $OneProc 0
	done

#Not appropriate for asymmetric routing situations, enable everywhere else.
#	for OneProc in \
#	 /proc/sys/net/ipv4/conf/*/rp_filter \
#	 ; do
#		SetProc $OneProc 1
#	done



	;;
stop)
	echo "Stopping $Me"


	;;
esac