509 lines
16 KiB
Plaintext
Executable File
509 lines
16 KiB
Plaintext
Executable File
#/bin/sh
|
|
# v0.9.4
|
|
# By Brielle Bruns <bruns@2mbit.com>
|
|
# URL: http://www.sosdg.org/freestuff/firewall
|
|
# License: GPLv3
|
|
#
|
|
# Copyright (C) 2009 - 2010 Brielle Bruns
|
|
# Copyright (C) 2009 - 2010 The Summit Open Source Development Group
|
|
#
|
|
# 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/>.
|
|
|
|
|
|
echo "=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
|
|
Firewall/SOSDG v0.9.4
|
|
Brielle Bruns <bruns@2mbit.com>
|
|
http://www.sosdg.org/freestuff/firewall
|
|
This program comes with ABSOLUTELY NO WARRANTY.
|
|
This is free software, and you are welcome to
|
|
redistribute it under certain conditions.
|
|
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="
|
|
|
|
BASEDIR=/etc/firewall-sosdg
|
|
TWEAKS=$BASEDIR/tweaks
|
|
#BASEDIR=`pwd`
|
|
. $BASEDIR/include/static
|
|
. $BASEDIR/options
|
|
. $BASEDIR/include/functions
|
|
|
|
|
|
$IPTABLES --flush &>/dev/null
|
|
$IPTABLES -F OUTPUT &>/dev/null
|
|
$IPTABLES -F PREROUTING &>/dev/null
|
|
$IPTABLES -F POSTROUTING &>/dev/null
|
|
$IPTABLES -F -t mangle &>/dev/null
|
|
if [ $NAT ]; then
|
|
$IPTABLES -F -t nat &>/dev/null
|
|
fi
|
|
$IPTABLES -F -t raw &>/dev/null
|
|
if [ -s "$BASEDIR/include/ipv4_custom_flush" ]; then
|
|
display_c YELLOW "Loading custom flush rules..."
|
|
. "$BASEDIR/include/ipv4_custom_flush"
|
|
fi
|
|
|
|
$BASEDIR/prerun
|
|
|
|
$IPTABLES -A INPUT -i lo -j ACCEPT
|
|
$IPTABLES -A OUTPUT -o lo -j ACCEPT
|
|
|
|
if [ -s "$BASEDIR/include/ipv4_custom_trust" ]; then
|
|
display_c YELLOW "Loading custom trust rules..."
|
|
. "$BASEDIR/include/ipv4_custom_trust"
|
|
fi
|
|
|
|
if [ "$TRUSTEDIP" ]; then
|
|
display_c YELLOW "Adding trusted IP: " N
|
|
for i in $TRUSTEDIP; do
|
|
echo -n "$i "
|
|
$IPTABLES -A INPUT -s $i -j ACCEPT
|
|
$IPTABLES -A OUTPUT -d $i -j ACCEPT
|
|
done
|
|
echo -ne "\n"
|
|
fi
|
|
|
|
if [ -s "$BASEDIR/include/ipv4_custom_blockip" ]; then
|
|
display_c YELLOW "Loading custom ip block rules..."
|
|
. "$BASEDIR/include/ipv6_custom_blockip"
|
|
fi
|
|
|
|
if [ $BLOCKEDIP ]; then
|
|
display_c YELLOW "Adding blocked IPs: " N
|
|
for i in `grep -v "\#" $BLOCKEDIP`; do
|
|
echo -n "$i "
|
|
$IPTABLES -A INPUT -s $i -j DROP
|
|
$IPTABLES -A OUTPUT -d $i -j DROP
|
|
done
|
|
echo -ne "\n"
|
|
fi
|
|
|
|
if [ "$STRIPECN" ]; then
|
|
display_c YELLOW "Stripping ECN off of TCP packets to " N
|
|
for i in $STRIPECN; do
|
|
echo -en "$i "
|
|
$IPTABLES -A PREROUTING -t mangle -p tcp -d $i -j ECN \
|
|
--ecn-tcp-remove
|
|
done
|
|
echo -ne "\n"
|
|
fi
|
|
|
|
if [ -s "$BASEDIR/include/ipv4_custom_mssclamp" ]; then
|
|
display_c YELLOW "Loading custom MSS Clamp rules..."
|
|
. "$BASEDIR/include/ipv4_custom_mssclamp"
|
|
fi
|
|
|
|
if [ "$CLAMPMSS" ]; then
|
|
display_c YELLOW "Clamping MSS to PMTU..."
|
|
for i in $CLAMPMSS; do
|
|
$IPTABLES -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS \
|
|
--clamp-mss-to-pmtu -o $i -m tcpmss --mss 1400:1536
|
|
$IPTABLES -A OUTPUT -p tcp --tcp-flags SYN,RST SYN -j TCPMSS \
|
|
--clamp-mss-to-pmtu -o $i -m tcpmss --mss 1400:1536
|
|
# This is necessary to make sure that PMTU works
|
|
$IPTABLES -A OUTPUT -p icmp --icmp-type time-exceeded \
|
|
-o $i -j ACCEPT
|
|
$IPTABLES -A INPUT -p icmp --icmp-type time-exceeded \
|
|
-i $i -j ACCEPT
|
|
$IPTABLES -A OUTPUT -p icmp --icmp-type fragmentation-needed \
|
|
-o $i -j ACCEPT
|
|
$IPTABLES -A INPUT -p icmp --icmp-type fragmentation-needed \
|
|
-i $i -j ACCEPT
|
|
done
|
|
echo -en "\n"
|
|
fi
|
|
|
|
$IPTABLES -A INPUT -j DROP -p udp --dport domain -m u32 --u32 \
|
|
"0>>22&0x3C@12>>16=1&&0>>22&0x3C@20>>24=0&&0>>22&0x3C@21=0x00020001"
|
|
|
|
if [ -s "$BASEDIR/include/ipv4_custom_conntrack" ]; then
|
|
display_c YELLOW "Loading custom conntrack rules..."
|
|
. "$BASEDIR/include/ipv4_custom_conntrack"
|
|
fi
|
|
|
|
if [ $CONNTRACK ]; then
|
|
$IPTABLES -A INPUT -m state --state NEW -j ACCEPT
|
|
$IPTABLES -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
|
|
$IPTABLES -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
|
|
$IPTABLES -A FORWARD -m state --state NEW -j ACCEPT
|
|
$IPTABLES -A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
|
|
$IPTABLES -A OUTPUT -m state --state NEW -j ACCEPT
|
|
$IPTABLES -A INPUT -m state --state INVALID -j DROP
|
|
$IPTABLES -A OUTPUT -m state --state INVALID -j DROP
|
|
$IPTABLES -A FORWARD -m state --state INVALID -j DROP
|
|
fi
|
|
|
|
if [ -s "$BASEDIR/include/ipv4_custom_blockoutports" ]; then
|
|
display_c YELLOW "Loading custom blocked outbound port rules..."
|
|
. "$BASEDIR/include/ipv4_custom_blockoutports"
|
|
fi
|
|
|
|
if [ "$BLOCKTCPPORTS" ] || [ "$BLOCKUDPPORTS" ]; then
|
|
display_c YELLOW "Blocking outbound port: " N
|
|
|
|
if [ "$BLOCKTCPPORTS" ]; then
|
|
for i in $BLOCKTCPPORTS; do
|
|
echo -en "${PURPLE}TCP${DEFAULT_COLOR}/${GREEN}$i "
|
|
$IPTABLES -A OUTPUT -p tcp --dport $i --syn -j DROP
|
|
if [ "$NATRANGE" ]; then
|
|
for src in $NATRANGE; do
|
|
$IPTABLES -A FORWARD -p tcp -s $src --dport $i --syn -j DROP
|
|
done
|
|
fi
|
|
done
|
|
fi
|
|
if [ "$BLOCKUDPPORTS" ]; then
|
|
for i in $BLOCKUDPPORTS; do
|
|
echo -en "${BLUE}UDP${DEFAULT_COLOR}/${GREEN}$i "
|
|
$IPTABLES -A OUTPUT -p udp --dport $i -j DROP
|
|
if [ "$NATRANGE" ]; then
|
|
for src in $NATRANGE; do
|
|
$IPTABLES -A FORWARD -p udp -s $src --dport $i -j DROP
|
|
done
|
|
fi
|
|
done
|
|
fi
|
|
reset_color
|
|
fi
|
|
|
|
if [ -s "$BASEDIR/include/ipv4_custom_allowedports" ]; then
|
|
display_c YELLOW "Loading custom allowed port rules..."
|
|
. "$BASEDIR/include/ipv4_custom_allowedports"
|
|
fi
|
|
|
|
if [ "$TCPPORTS" ] || [ "$UDPPORTS" ]; then
|
|
display_c YELLOW "Adding allowed port: " N
|
|
|
|
if [ "$TCPPORTS" ]; then
|
|
for i in $TCPPORTS; do
|
|
echo -en "${PURPLE}TCP${DEFAULT_COLOR}/${GREEN}$i "
|
|
$IPTABLES -A INPUT -p tcp --dport $i -j ACCEPT
|
|
done
|
|
fi
|
|
if [ "$UDPPORTS" ]; then
|
|
for i in $UDPPORTS; do
|
|
echo -en "${BLUE}UDP${DEFAULT_COLOR}/${GREEN}$i "
|
|
#$IPTABLES -A INPUT -p udp --dport $i -j ACCEPT
|
|
$IPTABLES -A OUTPUT -p udp --sport 1:65535 --dport $i -j ACCEPT
|
|
$IPTABLES -A INPUT -p udp --dport $i --sport 1:65535 -j ACCEPT
|
|
$IPTABLES -A INPUT -p udp --sport $i --dport 1:65535 -j ACCEPT
|
|
done
|
|
fi
|
|
reset_color
|
|
fi
|
|
|
|
|
|
|
|
if [ -s "$BASEDIR/include/ipv4_custom_proto" ]; then
|
|
display_c YELLOW "Loading custom protocol rules..."
|
|
. "$BASEDIR/include/ipv4_custom_proto"
|
|
fi
|
|
|
|
if [ "$ALLOWEDPROTO" ]; then
|
|
display_c YELLOW "Adding allowed protocols: " N
|
|
for i in $ALLOWEDPROTO; do
|
|
echo -n "$i "
|
|
$IPTABLES -A INPUT -p $i -j ACCEPT
|
|
$IPTABLES -A OUTPUT -p $i -j ACCEPT
|
|
done
|
|
reset_color
|
|
fi
|
|
|
|
|
|
if [ -s "$BASEDIR/include/ipv4_custom_notrack" ]; then
|
|
display_c YELLOW "Loading custom NOTRACK rules..."
|
|
. "$BASEDIR/include/ipv4_custom_notrack"
|
|
fi
|
|
|
|
if [ $CONNTRACK ]; then
|
|
for i in $DONTTRACK; do
|
|
$IPTABLES -t raw -I PREROUTING -s $i -j NOTRACK
|
|
$IPTABLES -t raw -I PREROUTING -d $i -j NOTRACK
|
|
$IPTABLES -t raw -I OUTPUT -s $i -j NOTRACK
|
|
$IPTABLES -t raw -I OUTPUT -d $i -j NOTRACK
|
|
done
|
|
fi
|
|
|
|
|
|
if [ -s "$BASEDIR/include/ipv4_custom_routing" ]; then
|
|
display_c YELLOW "Loading custom routing rules..."
|
|
. "$BASEDIR/include/ipv4_custom_routing"
|
|
fi
|
|
|
|
if [ $ROUTING ]; then
|
|
display_c YELLOW "Adding route: " N
|
|
for i in `grep -v "\#" $ROUTING`; do
|
|
ROUTE=( ${i//:/ } )
|
|
FWINT1=${ROUTE[0]}
|
|
FWINT2=${ROUTE[2]}
|
|
FWIP1=${ROUTE[1]}
|
|
FWIP2=${ROUTE[3]}
|
|
|
|
if [ -e "/proc/sys/net/ipv4/conf/$FWINT1/forwarding" ]; then
|
|
echo 1 > /proc/sys/net/ipv4/conf/$FWINT1/forwarding
|
|
fi
|
|
if [ -e "/proc/sys/net/ipv4/conf/$FWINT2/forwarding" ]; then
|
|
echo 1 > /proc/sys/net/ipv4/conf/$FWINT2/forwarding
|
|
fi
|
|
$IPTABLES -A FORWARD -i $FWINT1 -o $FWINT2 \
|
|
-s $FWIP1 -d $FWIP2 -j ACCEPT
|
|
if [ ${ROUTE[4]} == "1" ]; then
|
|
#echo -en "\E[35m$FWINT1\E[37m:$FWIP1<->\E[34m$FWINT2\E[37m:$FWIP2 "
|
|
echo -en "${PURPLE}$FWINT1:$FWIP1${AQUA}<->${BLUE}$FWINT2:$FWIP2 "
|
|
$IPTABLES -A FORWARD -o $FWINT1 -i $FWINT2 \
|
|
-d $FWIP1 -s $FWIP2 -j ACCEPT
|
|
else
|
|
echo -en "${PURPLE}$FWINT1:$FWIP1${AQUA}->${BLUE}$FWINT2:$FWIP2 "
|
|
fi
|
|
done
|
|
echo -ne "\n"
|
|
fi
|
|
|
|
|
|
if [ -s "$BASEDIR/include/ipv4_custom_portforward" ]; then
|
|
display_c YELLOW "Loading custom port forwarding rules..."
|
|
. "$BASEDIR/include/ipv4_custom_portforward"
|
|
fi
|
|
|
|
if [ $PORTFW ] && [ $NAT ]; then
|
|
display_c YELLOW "Adding port forward for: " N
|
|
for i in `grep -v "\#" $PORTFW`; do
|
|
PORTADD=( ${i//:/ } )
|
|
$IPTABLES -A PREROUTING -t nat -i ${PORTADD[0]} -p ${PORTADD[2]} \
|
|
--dport ${PORTADD[1]} -j DNAT --to \
|
|
${PORTADD[3]}:${PORTADD[4]}
|
|
$IPTABLES -A INPUT -p ${PORTADD[2]} -m state --state NEW \
|
|
--dport ${PORTADD[1]} -i ${PORTADD[0]} -j ACCEPT
|
|
echo -en "${GREEN}${PORTADD[0]}:${PURPLE}${PORTADD[1]}:${PORTADD[2]}${AQUA}->${BLUE}${PORTADD[3]}:${PORTADD[4]} "
|
|
done
|
|
reset_color
|
|
fi
|
|
|
|
if [ $LANDHCPSERVER ]; then
|
|
#$IPTABLES -A INPUT -i $INTIF -s 0.0.0.0 -j ACCEPT
|
|
$IPTABLES -I INPUT -i $INTIF -p udp --dport 67:68 --sport \
|
|
67:68 -j ACCEPT
|
|
|
|
fi
|
|
|
|
|
|
if [ -s "$BASEDIR/include/ipv4_custom_nat" ]; then
|
|
display_c YELLOW "Loading custom nat rules..."
|
|
. "$BASEDIR/include/ipv4_custom_nat"
|
|
fi
|
|
|
|
if [ $NAT ]; then
|
|
if [ "$NAT_RANGE" ]; then
|
|
display_c YELLOW "Adding NAT rule: " N
|
|
for i in $NAT_RANGE; do
|
|
NAT_RULE=( ${i//:/ } )
|
|
case ${NAT_RULE[0]} in
|
|
SNAT)
|
|
$IPTABLES -A POSTROUTING -t nat -s ${NAT_RULE[2]} -j SNAT \
|
|
-o ${NAT_RULE[3]} --to-source ${NAT_RULE[4]}
|
|
echo -en "${GREEN}SNAT:${PURPLE}${NAT_RULE[1]}:${NAT_RULE[2]}${AQUA}->${BLUE}${NAT_RULE[3]}:${NAT_RULE[4]} "
|
|
$IPTABLES -A OUTPUT -p icmp --icmp-type time-exceeded -o ${NAT_RULE[3]} -j ACCEPT
|
|
$IPTABLES -A OUTPUT -p icmp --icmp-type fragmentation-needed -o ${NAT_RULE[3]} -j ACCEPT
|
|
;;
|
|
MASQ)
|
|
$IPTABLES -A POSTROUTING -t nat -s ${NAT_RULE[2]} -j MASQUERADE -o ${NAT_RULE[3]}
|
|
echo -en "${GREEN}MASQ:${PURPLE}${NAT_RULE[2]}${AQUA}->${BLUE}${NAT_RULE[3]} "
|
|
$IPTABLES -A OUTPUT -p icmp --icmp-type time-exceeded -o ${NAT_RULE[3]} -j ACCEPT
|
|
$IPTABLES -A OUTPUT -p icmp --icmp-type fragmentation-needed -o ${NAT_RULE[3]} -j ACCEPT
|
|
;;
|
|
*) display_c RED "Invalid NAT rule in NAT_RANGE" ;;
|
|
esac
|
|
done
|
|
reset_color
|
|
fi
|
|
#=================
|
|
# This section is going away in 1.0
|
|
if [ "$NATRANGE" ]; then
|
|
for i in $NATRANGE; do
|
|
$IPTABLES -A POSTROUTING -t nat -s $i -o $NATEXTIF -j SNAT --to-source $NATEXTIP
|
|
done
|
|
#This is necessary to make sure that PMTU works
|
|
$IPTABLES -A OUTPUT -p icmp --icmp-type time-exceeded -o $NATEXTIF \
|
|
-j ACCEPT
|
|
$IPTABLES -A OUTPUT -p icmp --icmp-type fragmentation-needed \
|
|
-o $NATEXTIF -j ACCEPT
|
|
#=================
|
|
fi
|
|
fi
|
|
|
|
$IPTABLES --policy INPUT ACCEPT
|
|
$IPTABLES --policy OUTPUT ACCEPT
|
|
$IPTABLES --policy FORWARD DROP
|
|
|
|
|
|
if [ -s "$BASEDIR/include/ipv4_custom_blockincoming" ]; then
|
|
display_c YELLOW "Loading custom incoming blocked rules..."
|
|
. "$BASEDIR/include/ipv4_custom_blockincoming"
|
|
fi
|
|
|
|
if [ $BLOCKINCOMING ]; then
|
|
$IPTABLES -A INPUT -p tcp --syn -j DROP
|
|
$IPTABLES -A INPUT -p udp -j DROP
|
|
fi
|
|
|
|
|
|
#================[IPv6]================
|
|
if [ $IPV6 ]; then
|
|
$IP6TABLES --flush &>/dev/null
|
|
$IP6TABLES -F OUTPUT &>/dev/null
|
|
$IP6TABLES -F PREROUTING &>/dev/null
|
|
$IP6TABLES -F POSTROUTING &>/dev/null
|
|
if [ -s "$BASEDIR/include/ipv6_custom_flush" ]; then
|
|
display_c YELLOW "Loading custom IPv6 flush rules..."
|
|
. "$BASEDIR/include/ipv6_custom_flush"
|
|
fi
|
|
|
|
display_c YELLOW "Adding trusted IPv6: " N
|
|
|
|
$IP6TABLES -A INPUT -i lo -j ACCEPT
|
|
$IP6TABLES -A OUTPUT -o lo -j ACCEPT
|
|
|
|
if [ -s "$BASEDIR/include/ipv6_custom_trust" ]; then
|
|
display_c YELLOW "Loading custom IPv6 trust rules..."
|
|
. "$BASEDIR/include/ipv6_custom_trust"
|
|
fi
|
|
for i in $IPV6TRUSTED; do
|
|
echo -n "$i "
|
|
$IP6TABLES -A INPUT -s $i -j ACCEPT
|
|
$IP6TABLES -A OUTPUT -d $i -j ACCEPT
|
|
done
|
|
reset_color
|
|
|
|
if [ -s "$BASEDIR/include/ipv6_custom_mssclamp" ]; then
|
|
display_c YELLOW "Loading custom IPv6 MSS Clamp rules..."
|
|
. "$BASEDIR/include/ipv6_custom_mssclamp"
|
|
fi
|
|
|
|
if [ "$CLAMPMSSIPV6" ]; then
|
|
display_c YELLOW "Clamping IPV6 MSS to PMTU..."
|
|
for i in $CLAMPMSSIPV6; do
|
|
$IP6TABLES -A FORWARD -p tcp --tcp-flags SYN,RST SYN \
|
|
-j TCPMSS --clamp-mss-to-pmtu -o $i -m tcpmss \
|
|
--mss 1280:1536
|
|
$IP6TABLES -A OUTPUT -p tcp --tcp-flags SYN,RST SYN \
|
|
-j TCPMSS --clamp-mss-to-pmtu -o $i -m tcpmss \
|
|
--mss 1280:1536
|
|
# This is necessary to make sure that PMTU works
|
|
$IP6TABLES -A OUTPUT -p icmpv6 --icmpv6-type time-exceeded \
|
|
-o $i -j ACCEPT
|
|
$IP6TABLES -A INPUT -p icmpv6 --icmpv6-type time-exceeded \
|
|
-i $i -j ACCEPT
|
|
$IP6TABLES -A OUTPUT -p icmpv6 --icmpv6-type packet-too-big \
|
|
-o $i -j ACCEPT
|
|
$IP6TABLES -A INPUT -p icmpv6 --icmpv6-type packet-too-big \
|
|
-i $i -j ACCEPT
|
|
done
|
|
fi
|
|
|
|
if [ -s "$BASEDIR/include/ipv6_custom_blockoutports" ]; then
|
|
display_c YELLOW "Loading custom IPv6 blocked outbound port rules..."
|
|
. "$BASEDIR/include/ipv6_custom_blockoutports"
|
|
fi
|
|
if [ "$BLOCKIPV6TCPPORTS" ] || [ "$BLOCKIPV6UDPPORTS" ]; then
|
|
display_c YELLOW "Blocking outbound port: " N
|
|
if [ "$BLOCKIPV6TCPPORTS" ]; then
|
|
for i in $BLOCKIPV6TCPPORTS; do
|
|
echo -en "\E[35mTCP\E[37m/\E[32m$i "
|
|
$IP6TABLES -A OUTPUT -p tcp --dport $i --syn -j DROP
|
|
done
|
|
fi
|
|
if [ "$BLOCKIPV6UDPPORTS" ]; then
|
|
for i in $BLOCKIPV6UDPPORTS; do
|
|
echo -en "\E[34mUDP\E[37m/\E[32m$i "
|
|
$IP6TABLES -A OUTPUT -p udp --dport $i -j DROP
|
|
done
|
|
fi
|
|
reset_color
|
|
fi
|
|
|
|
if [ -s "$BASEDIR/include/ipv6_custom_allowedports" ]; then
|
|
display_c YELLOW "Loading custom IPv6 allowed port rules..."
|
|
. "$BASEDIR/include/ipv6_custom_allowedports"
|
|
fi
|
|
if [ "$IPV6TCP" ] || [ "$IPV6UDP" ]; then
|
|
display_c YELLOW "Adding allowed IPv6 port: " N
|
|
|
|
if [ "$IPV6TCP" ]; then
|
|
for i in $IPV6TCP; do
|
|
echo -en "\E[35mTCP\E[37m/\E[32m$i "
|
|
$IP6TABLES -A INPUT -p tcp --dport $i -j ACCEPT
|
|
done
|
|
fi
|
|
|
|
if [ "$IPV6UDP" ]; then
|
|
for i in $IPV6UDP; do
|
|
echo -en "\E[34mUDP\E[37m/\E[32m$i "
|
|
$IP6TABLES -A OUTPUT -p udp --sport 1:65535 --dport $i -j ACCEPT
|
|
$IP6TABLES -A INPUT -p udp --dport $i --sport 1:65535 -j ACCEPT
|
|
$IP6TABLES -A INPUT -p udp --sport $i --dport 1:65535 -j ACCEPT
|
|
done
|
|
fi
|
|
reset_color
|
|
fi
|
|
fi
|
|
|
|
if [ -s "$BASEDIR/include/ipv6_custom_conntrack" ]; then
|
|
display_c YELLOW "Loading custom IPv6 conntrack rules..."
|
|
. "$BASEDIR/include/ipv6_custom_conntrack"
|
|
fi
|
|
|
|
if [ $IPV6ROUTEDCLIENTBLOCK ]; then
|
|
$IP6TABLES -A INPUT -m state --state NEW -j ACCEPT
|
|
$IP6TABLES -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
|
|
$IP6TABLES -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
|
|
$IP6TABLES -A FORWARD -m state --state NEW -j ACCEPT
|
|
$IP6TABLES -A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
|
|
$IP6TABLES -A OUTPUT -m state --state NEW -j ACCEPT
|
|
$IP6TABLES -A INPUT -m state --state INVALID -j DROP
|
|
$IP6TABLES -A OUTPUT -m state --state INVALID -j DROP
|
|
$IP6TABLES -A FORWARD -m state --state INVALID -j DROP
|
|
$IP6TABLES -A FORWARD -i $IPV6INT -o $IPV6LAN -p tcp --syn -j DROP
|
|
$IP6TABLES -A INPUT -i $IPV6INT -p tcp --syn -j DROP
|
|
$IP6TABLES -A INPUT -i $IPV6INT -p udp ! --dport 32768:65535 -j DROP
|
|
$IP6TABLES -A FORWARD -i $IPV6INT -o $IPV6LAN -p udp ! --dport 32768:65535 -j DROP
|
|
fi
|
|
|
|
|
|
|
|
if [ -s "$BASEDIR/include/ipv6_custom_routing" ]; then
|
|
display_c YELLOW "Loading custom IPv6 routing rules..."
|
|
. "$BASEDIR/include/ipv6_custom_routing"
|
|
fi
|
|
if [ "$IPV6FORWARDRANGE" ]; then
|
|
for i in $IPV6FORWARDRANGE; do
|
|
$IP6TABLES -A FORWARD -s $i -j ACCEPT
|
|
$IP6TABLES -A FORWARD -d $i -j ACCEPT
|
|
done
|
|
fi
|
|
|
|
if [ -s "$BASEDIR/include/ipv6_custom_blockincoming" ]; then
|
|
display_c YELLOW "Loading custom IPv6 incoming blocked port rules..."
|
|
. "$BASEDIR/include/ipv6_custom_blockincoming"
|
|
fi
|
|
if [ $IPV6BLOCKINCOMING ]; then
|
|
$IP6TABLES -A INPUT -p tcp --syn -j DROP
|
|
$IP6TABLES -A INPUT -p udp -j DROP
|
|
fi
|
|
|
|
if [ $TWEAKS ]; then
|
|
for i in `grep -v "\#" $TWEAKS`; do
|
|
PROCOPT=( ${i//=/ } )
|
|
echo ${PROCOPT[1]} > /proc/sys/net/${PROCOPT[0]} &>/dev/null
|
|
done
|
|
fi
|
|
|
|
$BASEDIR/postrun
|