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bpfire/config/forwardfw/firewall-policy
2013-08-13 13:47:27 +02:00

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#!/bin/sh
###############################################################################
# #
# IPFire.org - A linux based firewall #
# Copyright (C) 2013 Alexander Marx <amarx@ipfire.org> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <http://www.gnu.org/licenses/>. #
# #
###############################################################################
eval $(/usr/local/bin/readhash /var/ipfire/forward/settings)
eval $(/usr/local/bin/readhash /var/ipfire/optionsfw/settings)
eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
iptables -F POLICYFWD
iptables -F POLICYOUT
iptables -F POLICYIN
if [ -f "/var/ipfire/red/iface" ]; then
IFACE=`cat /var/ipfire/red/iface`
fi
#FORWARDFW
if [ "$POLICY" == "MODE1" ]; then
if [ "$FWPOLICY" == "REJECT" ]; then
if [ "$DROPFORWARD" == "on" ]; then
/sbin/iptables -A POLICYFWD -m limit --limit 10/minute -j LOG --log-prefix "REJECT_FORWARD"
fi
/sbin/iptables -A POLICYFWD -j REJECT --reject-with icmp-host-unreachable -m comment --comment "DROP_FORWARD"
fi
if [ "$FWPOLICY" == "DROP" ]; then
if [ "$DROPFORWARD" == "on" ]; then
/sbin/iptables -A POLICYFWD -m limit --limit 10/minute -j LOG --log-prefix "DROP_FORWARD"
fi
/sbin/iptables -A POLICYFWD -j DROP -m comment --comment "DROP_FORWARD"
fi
else
if [ "$BLUE_DEV" ] && [ "$IFACE" ]; then
/sbin/iptables -A POLICYFWD -i blue0 ! -o $IFACE -j DROP
fi
/sbin/iptables -A POLICYFWD -i orange0 ! -o $IFACE -j DROP
/sbin/iptables -A POLICYFWD -j ACCEPT
/sbin/iptables -A POLICYFWD -m comment --comment "DROP_FORWARD" -j DROP
fi
#OUTGOINGFW
if [ "$POLICY1" == "MODE1" ]; then
if [ "$FWPOLICY1" == "REJECT" ]; then
if [ "$DROPOUTGOING" == "on" ]; then
/sbin/iptables -A POLICYOUT -m limit --limit 10/minute -j LOG --log-prefix "REJECT_OUTPUT"
fi
/sbin/iptables -A POLICYOUT -j REJECT --reject-with icmp-host-unreachable -m comment --comment "DROP_OUTPUT"
fi
if [ "$FWPOLICY1" == "DROP" ]; then
if [ "$DROPOUTGOING" == "on" ]; then
/sbin/iptables -A POLICYOUT -m limit --limit 10/minute -j LOG --log-prefix "DROP_OUTPUT"
fi
/sbin/iptables -A POLICYOUT -j DROP -m comment --comment "DROP_OUTPUT"
fi
else
/sbin/iptables -A POLICYOUT -j ACCEPT
/sbin/iptables -A POLICYOUT -m comment --comment "DROP_OUTPUT" -j DROP
fi
#INPUT
if [ "$FWPOLICY2" == "REJECT" ]; then
if [ "$DROPINPUT" == "on" ]; then
/sbin/iptables -A POLICYIN -m limit --limit 10/minute -j LOG --log-prefix "REJECT_INPUT"
fi
/sbin/iptables -A POLICYIN -j REJECT --reject-with icmp-host-unreachable -m comment --comment "DROP_INPUT"
fi
if [ "$FWPOLICY2" == "DROP" ]; then
if [ "$DROPINPUT" == "on" ]; then
/sbin/iptables -A POLICYIN -m limit --limit 10/minute -j LOG --log-prefix "DROP_INPUT"
fi
/sbin/iptables -A POLICYIN -j DROP -m comment --comment "DROP_INPUT"
fi
exit 0