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#!/bin/sh
set -e
# Setup alternatives
update-alternatives --install /lib/systemd/system/iptables.service iptables.service /lib/systemd/system/netfilter-persistent.service 40 \
--slave /lib/systemd/system/ip6tables.service ip6tables.service /lib/systemd/system/netfilter-persistent.service
# Source debconf library
. /usr/share/debconf/confmodule
case "$1" in
configure)
db_get iptables-persistent/autosave_done || true
if [ "x$RET" != "xtrue" ]; then
db_get iptables-persistent/autosave_v4 || true
if [ "x$RET" = "xtrue" ]; then
if which iptables > /dev/null ; then
if iptables -t filter -L -n > /dev/null; then
iptables-save > /etc/iptables/rules.v4
else
echo "IPv4: Unable to save (table filter isn't available or module not loadable)"
fi
else
echo "IPv4: Can't find iptables in $PATH, please check your system"
fi
fi
db_get iptables-persistent/autosave_v6 || true
if [ "x$RET" = "xtrue" ]; then
if which ip6tables > /dev/null ; then
if ip6tables -t filter -L -n > /dev/null; then
ip6tables-save > /etc/iptables/rules.v6
else
echo "IPv6: Unable to save (table filter isn't available or module not loadable)"
fi
else
echo "IPv6: Can't find ip6tables in $PATH, please check your system"
fi
fi
db_set iptables-persistent/autosave_done true || true
fi
update-rc.d iptables-persistent remove
;;
esac
#DEBHELPER#
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