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#!/sbin/runscript
# Copyright 1999-2002 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License, v2 or
# later
# $Header: /var/cvsroot/gentoo-x86/sys-apps/iptables/files/iptables.init,v 1.5 2003/01/08 12:39:41 aliz Exp $
depend() {
need logger net
}
start() {
ebegin "Loading iptables state and starting firewall"
# This variable is set in /etc/conf.d/iptables
if [ ! -f ${IPTABLES_SAVE} ]
then
einfo "Not starting iptables. First create some rules then run"
einfo "iptables-save > ${IPTABLES_SAVE}"
else
einfo "Restoring iptables ruleset"
/sbin/iptables-restore ${SAVE_RESTORE_OPTIONS} < ${IPTABLES_SAVE}
if [ "${ENABLE_FORWARDING_IPv4}" = "yes" ] ; then
einfo "Enabling forwarding for ipv4"
echo "1" > /proc/sys/net/ipv4/conf/all/forwarding
fi
if [ "${ENABLE_FORWARDING_IPv6}" = "yes" ] ; then
einfo "Enabling forwarding for ipv6"
echo "1" > /proc/sys/net/ipv6/conf/all/forwarding
fi
fi
eend $?
}
stop() {
ebegin "Stopping firewall and saving iptables state"
# This way we don't forget to save changes
/sbin/iptables-save ${SAVE_RESTORE_OPTIONS} > ${IPTABLES_SAVE}
# set sane defaults that disable forwarding
if [ -f /proc/sys/net/ipv4/conf/all/forwarding ] ; then
echo "0" > /proc/sys/net/ipv4/conf/all/forwarding
fi
if [ -f /proc/sys/net/ipv6/conf/all/forwarding ] ; then
echo "0" > /proc/sys/net/ipv6/conf/all/forwarding
fi
for a in `cat /proc/net/ip_tables_names`; do
iptables -F -t $a
iptables -X -t $a
if [ $a == nat ]; then
iptables -t nat -P PREROUTING ACCEPT
iptables -t nat -P POSTROUTING ACCEPT
iptables -t nat -P OUTPUT ACCEPT
elif [ $a == mangle ]; then
iptables -t mangle -P PREROUTING ACCEPT
iptables -t mangle -P INPUT ACCEPT
iptables -t mangle -P FORWARD ACCEPT
iptables -t mangle -P OUTPUT ACCEPT
iptables -t mangle -P POSTROUTING ACCEPT
elif [ $a == filter ]; then
iptables -t filter -P INPUT ACCEPT
iptables -t filter -P FORWARD ACCEPT
iptables -t filter -P OUTPUT ACCEPT
fi
done
eend $?
}
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