tf_EXT-DMZ.mod

# ----------------------------------------------------------------------------
# TuxFrw 2.61
# Copyright (C) 2001-2005 Marcelo Gondim (http://tuxfrw.sourceforge.net)
# ----------------------------------------------------------------------------
#
# tf_EXT-DMZ.mod - TuxFrw EXT->DMZ rules module
#
# ----------------------------------------------------------------------------
#
# This file is part of TuxFrw
#
# TuxFrw 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
# ----------------------------------------------------------------------------
#
# EXT->DMZ directional chain
#
# Drop windows or worm packets :)
$IPTABLES -A EXT2DMZ -p udp -m multiport --dports 135,445 -j DROP
$IPTABLES -A EXT2DMZ -p udp -m udp --dport 137:139 -j DROP
$IPTABLES -A EXT2DMZ -p udp -m udp --sport 137 --dport 1024:65535 -j DROP
$IPTABLES -A EXT2DMZ -p tcp -m multiport --dports 135,139,445 -j DROP
$IPTABLES -A EXT2DMZ -p udp -m udp --dport 1900 -j DROP

$IPTABLES -A EXT2DMZ -p tcp -d $IP_WWW1 -m multiport --dports 80,443 -j $TARGET
$IPTABLES -A EXT2DMZ -p tcp -d $IP_SMTP -m multiport --dports 25,110 -j $TARGET
$IPTABLES -A EXT2DMZ -p udp -d $IP_DNS1 --dport 53 -j $TARGET
$IPTABLES -A EXT2DMZ -p tcp -d $IP_DNS1 --dport 53 -j $TARGET
$IPTABLES -A EXT2DMZ -p udp -d $IP_DNS2 --dport 53 -j $TARGET
$IPTABLES -A EXT2DMZ -p tcp -d $IP_DNS2 --dport 53 -j $TARGET

# log and reject all the unmatched packets
$IPTABLES -A EXT2DMZ -m limit --limit 1/m --limit-burst 5 -j LOG --log-prefix "tuxfrw: EXT->DMZ! "