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|
#!/bin/sh
#
# This is automatically generated file. DO NOT MODIFY !
#
# Firewall Builder fwb_ipt v5.0.2.3596
#
# Generated Sun Mar 18 21:16:25 2012 PDT by vadim
#
# files: * firewall2-3.fw /etc/fw/firewall2-3.fw
#
# Compiled for iptables ge_1.2.6
#
# copy of firewall2, version >= 1.2.6
# firewall2-3:NAT:20: warning: Adding of virtual address for address range is not implemented (object ext_range)
# firewall2-3:Policy:: warning: Log prefix has been truncated to 29 characters
# firewall2-3:Policy:: warning: Log prefix has been truncated to 29 characters
# firewall2-3:Policy:: warning: Log prefix has been truncated to 29 characters
# firewall2-3:Policy:10: warning: Rule action 'Reject' with TCP RST can be used only with TCP services.
# firewall2-3:Policy:: warning: Log prefix has been truncated to 29 characters
# firewall2-3:Policy:: warning: Log prefix has been truncated to 29 characters
FWBDEBUG=""
PATH="/sbin:/usr/sbin:/bin:/usr/bin:${PATH}"
export PATH
LSMOD="/sbin/lsmod"
MODPROBE="/sbin/modprobe"
IPTABLES="/sbin/iptables"
IP6TABLES="/sbin/ip6tables"
IPTABLES_RESTORE="/sbin/iptables-restore"
IP6TABLES_RESTORE="/sbin/ip6tables-restore"
IP="/sbin/ip"
IFCONFIG="/sbin/ifconfig"
VCONFIG="/sbin/vconfig"
BRCTL="/sbin/brctl"
IFENSLAVE="/sbin/ifenslave"
IPSET="/usr/sbin/ipset"
LOGGER="/usr/bin/logger"
log() {
echo "$1"
which "$LOGGER" >/dev/null 2>&1 && $LOGGER -p info "$1"
}
getInterfaceVarName() {
echo $1 | sed 's/\./_/'
}
getaddr_internal() {
dev=$1
name=$2
af=$3
L=$($IP $af addr show dev $dev | sed -n '/inet/{s!.*inet6* !!;s!/.*!!p}' | sed 's/peer.*//')
test -z "$L" && {
eval "$name=''"
return
}
eval "${name}_list=\"$L\""
}
getnet_internal() {
dev=$1
name=$2
af=$3
L=$($IP route list proto kernel | grep $dev | grep -v default | sed 's! .*$!!')
test -z "$L" && {
eval "$name=''"
return
}
eval "${name}_list=\"$L\""
}
getaddr() {
getaddr_internal $1 $2 "-4"
}
getaddr6() {
getaddr_internal $1 $2 "-6"
}
getnet() {
getnet_internal $1 $2 "-4"
}
getnet6() {
getnet_internal $1 $2 "-6"
}
# function getinterfaces is used to process wildcard interfaces
getinterfaces() {
NAME=$1
$IP link show | grep ": $NAME" | while read L; do
OIFS=$IFS
IFS=" :"
set $L
IFS=$OIFS
echo $2
done
}
diff_intf() {
func=$1
list1=$2
list2=$3
cmd=$4
for intf in $list1
do
echo $list2 | grep -q $intf || {
# $vlan is absent in list 2
$func $intf $cmd
}
done
}
find_program() {
PGM=$1
which $PGM >/dev/null 2>&1 || {
echo "\"$PGM\" not found"
exit 1
}
}
check_tools() {
find_program which
find_program $IPTABLES
find_program $IP
}
reset_iptables_v4() {
$IPTABLES -P OUTPUT DROP
$IPTABLES -P INPUT DROP
$IPTABLES -P FORWARD DROP
cat /proc/net/ip_tables_names | while read table; do
$IPTABLES -t $table -L -n | while read c chain rest; do
if test "X$c" = "XChain" ; then
$IPTABLES -t $table -F $chain
fi
done
$IPTABLES -t $table -X
done
}
reset_iptables_v6() {
$IP6TABLES -P OUTPUT DROP
$IP6TABLES -P INPUT DROP
$IP6TABLES -P FORWARD DROP
cat /proc/net/ip6_tables_names | while read table; do
$IP6TABLES -t $table -L -n | while read c chain rest; do
if test "X$c" = "XChain" ; then
$IP6TABLES -t $table -F $chain
fi
done
$IP6TABLES -t $table -X
done
}
P2P_INTERFACE_WARNING=""
missing_address() {
address=$1
cmd=$2
oldIFS=$IFS
IFS="@"
set $address
addr=$1
interface=$2
IFS=$oldIFS
$IP addr show dev $interface | grep -q POINTOPOINT && {
test -z "$P2P_INTERFACE_WARNING" && echo "Warning: Can not update address of interface $interface. fwbuilder can not manage addresses of point-to-point interfaces yet"
P2P_INTERFACE_WARNING="yes"
return
}
test "$cmd" = "add" && {
echo "# Adding ip address: $interface $addr"
echo $addr | grep -q ':' && {
$FWBDEBUG $IP addr $cmd $addr dev $interface
} || {
$FWBDEBUG $IP addr $cmd $addr broadcast + dev $interface
}
}
test "$cmd" = "del" && {
echo "# Removing ip address: $interface $addr"
$FWBDEBUG $IP addr $cmd $addr dev $interface || exit 1
}
$FWBDEBUG $IP link set $interface up
}
list_addresses_by_scope() {
interface=$1
scope=$2
ignore_list=$3
$IP addr ls dev $interface | \
awk -v IGNORED="$ignore_list" -v SCOPE="$scope" \
'BEGIN {
split(IGNORED,ignored_arr);
for (a in ignored_arr) {ignored_dict[ignored_arr[a]]=1;}
}
(/inet |inet6 / && $0 ~ SCOPE && !($2 in ignored_dict)) {print $2;}' | \
while read addr; do
echo "${addr}@$interface"
done | sort
}
update_addresses_of_interface() {
ignore_list=$2
set $1
interface=$1
shift
FWB_ADDRS=$(
for addr in $*; do
echo "${addr}@$interface"
done | sort
)
CURRENT_ADDRS_ALL_SCOPES=""
CURRENT_ADDRS_GLOBAL_SCOPE=""
$IP link show dev $interface >/dev/null 2>&1 && {
CURRENT_ADDRS_ALL_SCOPES=$(list_addresses_by_scope $interface 'scope .*' "$ignore_list")
CURRENT_ADDRS_GLOBAL_SCOPE=$(list_addresses_by_scope $interface 'scope global' "$ignore_list")
} || {
echo "# Interface $interface does not exist"
# Stop the script if we are not in test mode
test -z "$FWBDEBUG" && exit 1
}
diff_intf missing_address "$FWB_ADDRS" "$CURRENT_ADDRS_ALL_SCOPES" add
diff_intf missing_address "$CURRENT_ADDRS_GLOBAL_SCOPE" "$FWB_ADDRS" del
}
clear_addresses_except_known_interfaces() {
$IP link show | sed 's/://g' | awk -v IGNORED="$*" \
'BEGIN {
split(IGNORED,ignored_arr);
for (a in ignored_arr) {ignored_dict[ignored_arr[a]]=1;}
}
(/state/ && !($2 in ignored_dict)) {print $2;}' | \
while read intf; do
echo "# Removing addresses not configured in fwbuilder from interface $intf"
$FWBDEBUG $IP addr flush dev $intf scope global
$FWBDEBUG $IP link set $intf down
done
}
check_file() {
test -r "$2" || {
echo "Can not find file $2 referenced by address table object $1"
exit 1
}
}
check_run_time_address_table_files() {
:
}
load_modules() {
:
}
verify_interfaces() {
:
}
prolog_commands() {
echo "Running prolog script"
}
epilog_commands() {
echo "Running epilog script"
}
run_epilog_and_exit() {
epilog_commands
exit $1
}
configure_interfaces() {
:
# Configure interfaces
# See http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=429689
# this ensures that secondary ip address is "promoted" to primary
# when primary address is deleted, instead of deleting both
# primary and secondary addresses. It looks like this is only
# available starting from Linux 2.6.16
test -f /proc/sys/net/ipv4/conf/all/promote_secondaries && \
echo 1 > /proc/sys/net/ipv4/conf/all/promote_secondaries
update_addresses_of_interface "eth0 192.168.1.1/24 192.168.1.10/24 192.168.1.50/24" ""
update_addresses_of_interface "eth1 22.22.22.22/24 22.22.22.23/24 22.22.22.24/24 22.22.22.25/24 22.22.22.0/32 22.22.22.1/32 22.22.22.2/32 22.22.22.3/32 22.22.22.4/32 22.22.22.5/32 22.22.22.6/32 22.22.22.7/32 22.22.22.8/32 22.22.22.9/32 22.22.22.10/32 22.22.22.11/32 22.22.22.12/32 22.22.22.13/32 22.22.22.14/32 22.22.22.15/32 22.22.22.16/32 22.22.22.17/32 22.22.22.18/32 22.22.22.19/32 22.22.22.20/32 22.22.22.21/32 22.22.22.22/32 22.22.22.23/32 22.22.22.24/32 22.22.22.25/32 22.22.22.26/32 22.22.22.27/32 22.22.22.28/32 22.22.22.29/32 22.22.22.30/32 22.22.22.31/32 22.22.22.32/32 22.22.22.33/32 22.22.22.34/32 22.22.22.35/32 22.22.22.36/32 22.22.22.37/32 22.22.22.38/32 22.22.22.39/32 22.22.22.40/32 22.22.22.41/32 22.22.22.42/32 22.22.22.43/32 22.22.22.44/32 22.22.22.45/32 22.22.22.46/32 22.22.22.47/32 22.22.22.48/32 22.22.22.49/32 22.22.22.50/32 22.22.22.51/32 22.22.22.52/32 22.22.22.53/32 22.22.22.54/32 22.22.22.55/32 22.22.22.56/32 22.22.22.57/32 22.22.22.58/32 22.22.22.59/32 22.22.22.60/32 22.22.22.61/32 22.22.22.62/32 22.22.22.63/32 22.22.22.64/32 22.22.22.65/32 22.22.22.66/32 22.22.22.67/32 22.22.22.68/32 22.22.22.69/32 22.22.22.70/32 22.22.22.71/32 22.22.22.72/32 22.22.22.73/32 22.22.22.74/32 22.22.22.75/32 22.22.22.76/32 22.22.22.77/32 22.22.22.78/32 22.22.22.79/32 22.22.22.80/32 22.22.22.81/32 22.22.22.82/32 22.22.22.83/32 22.22.22.84/32 22.22.22.85/32 22.22.22.86/32 22.22.22.87/32 22.22.22.88/32 22.22.22.89/32 22.22.22.90/32 22.22.22.91/32 22.22.22.92/32 22.22.22.93/32 22.22.22.94/32 22.22.22.95/32 22.22.22.96/32 22.22.22.97/32 22.22.22.98/32 22.22.22.99/32 22.22.22.100/32 22.22.22.101/32 22.22.22.102/32 22.22.22.103/32 22.22.22.104/32 22.22.22.105/32 22.22.22.106/32 22.22.22.107/32 22.22.22.108/32 22.22.22.109/32 22.22.22.110/32 22.22.22.111/32 22.22.22.112/32 22.22.22.113/32 22.22.22.114/32 22.22.22.115/32 22.22.22.116/32 22.22.22.117/32 22.22.22.118/32 22.22.22.119/32 22.22.22.120/32 22.22.22.121/32 22.22.22.122/32 22.22.22.123/32 22.22.22.124/32 22.22.22.125/32 22.22.22.126/32 22.22.22.127/32 22.22.22.128/32 22.22.22.129/32 22.22.22.130/32 22.22.22.131/32 22.22.22.132/32 22.22.22.133/32 22.22.22.134/32 22.22.22.135/32 22.22.22.136/32 22.22.22.137/32 22.22.22.138/32 22.22.22.139/32 22.22.22.140/32 22.22.22.141/32 22.22.22.142/32 22.22.22.143/32 22.22.22.144/32 22.22.22.145/32 22.22.22.146/32 22.22.22.147/32 22.22.22.148/32 22.22.22.149/32 22.22.22.150/32 22.22.22.151/32 22.22.22.152/32 22.22.22.153/32 22.22.22.154/32 22.22.22.155/32 22.22.22.156/32 22.22.22.157/32 22.22.22.158/32 22.22.22.159/32 22.22.22.160/32 22.22.22.161/32 22.22.22.162/32 22.22.22.163/32 22.22.22.164/32 22.22.22.165/32 22.22.22.166/32 22.22.22.167/32 22.22.22.168/32 22.22.22.169/32 22.22.22.170/32 22.22.22.171/32 22.22.22.172/32 22.22.22.173/32 22.22.22.174/32 22.22.22.175/32 22.22.22.176/32 22.22.22.177/32 22.22.22.178/32 22.22.22.179/32 22.22.22.180/32 22.22.22.181/32 22.22.22.182/32 22.22.22.183/32 22.22.22.184/32 22.22.22.185/32 22.22.22.186/32 22.22.22.187/32 22.22.22.188/32 22.22.22.189/32 22.22.22.190/32 22.22.22.191/32 22.22.22.192/32 22.22.22.193/32 22.22.22.194/32 22.22.22.195/32 22.22.22.196/32 22.22.22.197/32 22.22.22.198/32 22.22.22.199/32 22.22.22.200/32 22.22.22.201/32 22.22.22.202/32 22.22.22.203/32 22.22.22.204/32 22.22.22.205/32 22.22.22.206/32 22.22.22.207/32 22.22.22.208/32 22.22.22.209/32 22.22.22.210/32 22.22.22.211/32 22.22.22.212/32 22.22.22.213/32 22.22.22.214/32 22.22.22.215/32 22.22.22.216/32 22.22.22.217/32 22.22.22.218/32 22.22.22.219/32 22.22.22.220/32 22.22.22.221/32 22.22.22.222/32 22.22.22.223/32 22.22.22.224/32 22.22.22.225/32 22.22.22.226/32 22.22.22.227/32 22.22.22.228/32 22.22.22.229/32 22.22.22.230/32 22.22.22.231/32 22.22.22.232/32 22.22.22.233/32 22.22.22.234/32 22.22.22.235/32 22.22.22.236/32 22.22.22.237/32 22.22.22.238/32 22.22.22.239/32 22.22.22.240/32 22.22.22.241/32 22.22.22.242/32 22.22.22.243/32 22.22.22.244/32 22.22.22.245/32 22.22.22.246/32 22.22.22.247/32 22.22.22.248/32 22.22.22.249/32 22.22.22.250/32 22.22.22.251/32 22.22.22.252/32 22.22.22.253/32 22.22.22.254/32" ""
update_addresses_of_interface "eth3 22.22.23.23/24 22.22.25.50/24 22.22.23.24/24" ""
update_addresses_of_interface "eth2 192.168.2.1/24 192.168.2.40/24" ""
update_addresses_of_interface "lo 127.0.0.1/8" ""
}
script_body() {
echo 1 > /proc/sys/net/ipv4/conf/all/rp_filter
echo 0 > /proc/sys/net/ipv4/conf/all/accept_source_route
echo 0 > /proc/sys/net/ipv4/conf/all/accept_redirects
echo 1 > /proc/sys/net/ipv4/conf/all/log_martians
echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_all
echo 1 > /proc/sys/net/ipv4/icmp_ignore_bogus_error_responses
echo 30 > /proc/sys/net/ipv4/tcp_fin_timeout
echo 1800 > /proc/sys/net/ipv4/tcp_keepalive_intvl
# ================ IPv4
# ================ Table 'filter', automatic rules
$IPTABLES -A FORWARD -p tcp -m tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
# accept established sessions
$IPTABLES -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
$IPTABLES -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
$IPTABLES -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
# drop TCP sessions opened prior firewall restart
$IPTABLES -A INPUT -p tcp -m tcp ! --tcp-flags SYN,RST,ACK SYN -m state --state NEW -j DROP
$IPTABLES -A OUTPUT -p tcp -m tcp ! --tcp-flags SYN,RST,ACK SYN -m state --state NEW -j DROP
$IPTABLES -A FORWARD -p tcp -m tcp ! --tcp-flags SYN,RST,ACK SYN -m state --state NEW -j DROP
# drop packets that do not match any valid state and log them
$IPTABLES -N drop_invalid
$IPTABLES -A OUTPUT -m state --state INVALID -j drop_invalid
$IPTABLES -A INPUT -m state --state INVALID -j drop_invalid
$IPTABLES -A FORWARD -m state --state INVALID -j drop_invalid
$IPTABLES -A drop_invalid -j ULOG --ulog-nlgroup 1 --ulog-qthreshold 1 --ulog-prefix "INVALID state -- DENY "
$IPTABLES -A drop_invalid -j DROP
# ================ Table 'nat', rule set NAT
#
# Rule 0 (NAT)
#
echo "Rule 0 (NAT)"
#
$IPTABLES -t nat -A POSTROUTING -o eth1 -s 192.168.1.0/24 -j SNAT --to-source 22.22.22.22
$IPTABLES -t nat -A POSTROUTING -o eth3 -s 192.168.1.0/24 -j SNAT --to-source 22.22.23.23
$IPTABLES -t nat -A POSTROUTING -o eth3 -s 192.168.1.0/24 -j SNAT --to-source 22.22.25.50
$IPTABLES -t nat -A POSTROUTING -o eth2 -s 192.168.1.0/24 -j SNAT --to-source 192.168.2.1
$IPTABLES -t nat -A POSTROUTING -o eth2 -s 192.168.1.0/24 -j SNAT --to-source 192.168.2.40
#
# Rule 1 (NAT)
#
echo "Rule 1 (NAT)"
#
$IPTABLES -t nat -A POSTROUTING -o eth1 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 3 -j SNAT --to-source 22.22.22.22
$IPTABLES -t nat -A POSTROUTING -o eth3 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 3 -j SNAT --to-source 22.22.23.23
$IPTABLES -t nat -A POSTROUTING -o eth3 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 3 -j SNAT --to-source 22.22.25.50
$IPTABLES -t nat -A POSTROUTING -o eth2 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 3 -j SNAT --to-source 192.168.2.1
$IPTABLES -t nat -A POSTROUTING -o eth2 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 3 -j SNAT --to-source 192.168.2.40
$IPTABLES -t nat -A POSTROUTING -o eth1 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 0/0 -j SNAT --to-source 22.22.22.22
$IPTABLES -t nat -A POSTROUTING -o eth3 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 0/0 -j SNAT --to-source 22.22.23.23
$IPTABLES -t nat -A POSTROUTING -o eth3 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 0/0 -j SNAT --to-source 22.22.25.50
$IPTABLES -t nat -A POSTROUTING -o eth2 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 0/0 -j SNAT --to-source 192.168.2.1
$IPTABLES -t nat -A POSTROUTING -o eth2 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 0/0 -j SNAT --to-source 192.168.2.40
$IPTABLES -t nat -A POSTROUTING -o eth1 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/0 -j SNAT --to-source 22.22.22.22
$IPTABLES -t nat -A POSTROUTING -o eth3 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/0 -j SNAT --to-source 22.22.23.23
$IPTABLES -t nat -A POSTROUTING -o eth3 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/0 -j SNAT --to-source 22.22.25.50
$IPTABLES -t nat -A POSTROUTING -o eth2 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/0 -j SNAT --to-source 192.168.2.1
$IPTABLES -t nat -A POSTROUTING -o eth2 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/0 -j SNAT --to-source 192.168.2.40
$IPTABLES -t nat -A POSTROUTING -o eth1 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/1 -j SNAT --to-source 22.22.22.22
$IPTABLES -t nat -A POSTROUTING -o eth3 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/1 -j SNAT --to-source 22.22.23.23
$IPTABLES -t nat -A POSTROUTING -o eth3 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/1 -j SNAT --to-source 22.22.25.50
$IPTABLES -t nat -A POSTROUTING -o eth2 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/1 -j SNAT --to-source 192.168.2.1
$IPTABLES -t nat -A POSTROUTING -o eth2 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/1 -j SNAT --to-source 192.168.2.40
$IPTABLES -t nat -A POSTROUTING -o eth1 -p tcp -m tcp -s 192.168.1.0/24 --dport 80 -j SNAT --to-source 22.22.22.22
$IPTABLES -t nat -A POSTROUTING -o eth3 -p tcp -m tcp -s 192.168.1.0/24 --dport 80 -j SNAT --to-source 22.22.23.23
$IPTABLES -t nat -A POSTROUTING -o eth3 -p tcp -m tcp -s 192.168.1.0/24 --dport 80 -j SNAT --to-source 22.22.25.50
$IPTABLES -t nat -A POSTROUTING -o eth2 -p tcp -m tcp -s 192.168.1.0/24 --dport 80 -j SNAT --to-source 192.168.2.1
$IPTABLES -t nat -A POSTROUTING -o eth2 -p tcp -m tcp -s 192.168.1.0/24 --dport 80 -j SNAT --to-source 192.168.2.40
#
# Rule 2 (NAT)
#
echo "Rule 2 (NAT)"
#
$IPTABLES -t nat -A POSTROUTING -o eth1 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 3 -j SNAT --to-source 22.22.22.22
$IPTABLES -t nat -A POSTROUTING -o eth3 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 3 -j SNAT --to-source 22.22.23.23
$IPTABLES -t nat -A POSTROUTING -o eth3 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 3 -j SNAT --to-source 22.22.25.50
$IPTABLES -t nat -A POSTROUTING -o eth2 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 3 -j SNAT --to-source 192.168.2.1
$IPTABLES -t nat -A POSTROUTING -o eth2 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 3 -j SNAT --to-source 192.168.2.40
$IPTABLES -t nat -A POSTROUTING -o eth1 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 0/0 -j SNAT --to-source 22.22.22.22
$IPTABLES -t nat -A POSTROUTING -o eth3 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 0/0 -j SNAT --to-source 22.22.23.23
$IPTABLES -t nat -A POSTROUTING -o eth3 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 0/0 -j SNAT --to-source 22.22.25.50
$IPTABLES -t nat -A POSTROUTING -o eth2 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 0/0 -j SNAT --to-source 192.168.2.1
$IPTABLES -t nat -A POSTROUTING -o eth2 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 0/0 -j SNAT --to-source 192.168.2.40
$IPTABLES -t nat -A POSTROUTING -o eth1 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/0 -j SNAT --to-source 22.22.22.22
$IPTABLES -t nat -A POSTROUTING -o eth3 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/0 -j SNAT --to-source 22.22.23.23
$IPTABLES -t nat -A POSTROUTING -o eth3 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/0 -j SNAT --to-source 22.22.25.50
$IPTABLES -t nat -A POSTROUTING -o eth2 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/0 -j SNAT --to-source 192.168.2.1
$IPTABLES -t nat -A POSTROUTING -o eth2 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/0 -j SNAT --to-source 192.168.2.40
$IPTABLES -t nat -A POSTROUTING -o eth1 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/1 -j SNAT --to-source 22.22.22.22
$IPTABLES -t nat -A POSTROUTING -o eth3 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/1 -j SNAT --to-source 22.22.23.23
$IPTABLES -t nat -A POSTROUTING -o eth3 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/1 -j SNAT --to-source 22.22.25.50
$IPTABLES -t nat -A POSTROUTING -o eth2 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/1 -j SNAT --to-source 192.168.2.1
$IPTABLES -t nat -A POSTROUTING -o eth2 -p icmp -m icmp -s 192.168.1.0/24 --icmp-type 11/1 -j SNAT --to-source 192.168.2.40
$IPTABLES -t nat -A POSTROUTING -o eth1 -p tcp -m tcp -s 192.168.1.0/24 --dport 80 -j SNAT --to-source 22.22.22.22
$IPTABLES -t nat -A POSTROUTING -o eth3 -p tcp -m tcp -s 192.168.1.0/24 --dport 80 -j SNAT --to-source 22.22.23.23
$IPTABLES -t nat -A POSTROUTING -o eth3 -p tcp -m tcp -s 192.168.1.0/24 --dport 80 -j SNAT --to-source 22.22.25.50
$IPTABLES -t nat -A POSTROUTING -o eth2 -p tcp -m tcp -s 192.168.1.0/24 --dport 80 -j SNAT --to-source 192.168.2.1
$IPTABLES -t nat -A POSTROUTING -o eth2 -p tcp -m tcp -s 192.168.1.0/24 --dport 80 -j SNAT --to-source 192.168.2.40
$IPTABLES -t nat -A POSTROUTING -o eth1 -p 50 -s 192.168.1.0/24 -j SNAT --to-source 22.22.22.22
$IPTABLES -t nat -A POSTROUTING -o eth3 -p 50 -s 192.168.1.0/24 -j SNAT --to-source 22.22.23.23
$IPTABLES -t nat -A POSTROUTING -o eth3 -p 50 -s 192.168.1.0/24 -j SNAT --to-source 22.22.25.50
$IPTABLES -t nat -A POSTROUTING -o eth2 -p 50 -s 192.168.1.0/24 -j SNAT --to-source 192.168.2.1
$IPTABLES -t nat -A POSTROUTING -o eth2 -p 50 -s 192.168.1.0/24 -j SNAT --to-source 192.168.2.40
$IPTABLES -t nat -A POSTROUTING -o eth1 -p 88 -s 192.168.1.0/24 -j SNAT --to-source 22.22.22.22
$IPTABLES -t nat -A POSTROUTING -o eth3 -p 88 -s 192.168.1.0/24 -j SNAT --to-source 22.22.23.23
$IPTABLES -t nat -A POSTROUTING -o eth3 -p 88 -s 192.168.1.0/24 -j SNAT --to-source 22.22.25.50
$IPTABLES -t nat -A POSTROUTING -o eth2 -p 88 -s 192.168.1.0/24 -j SNAT --to-source 192.168.2.1
$IPTABLES -t nat -A POSTROUTING -o eth2 -p 88 -s 192.168.1.0/24 -j SNAT --to-source 192.168.2.40
#
# Rule 3 (NAT)
#
echo "Rule 3 (NAT)"
#
$IPTABLES -t nat -A POSTROUTING -o eth3 -s 192.168.1.0/24 -j SNAT --to-source 22.22.23.23
$IPTABLES -t nat -A POSTROUTING -o eth3 -s 192.168.1.0/24 -j SNAT --to-source 22.22.25.50
#
# Rule 4 (NAT)
#
echo "Rule 4 (NAT)"
#
$IPTABLES -t nat -A POSTROUTING -o eth3 -s 192.168.1.0/24 -j SNAT --to-source 22.22.25.50
#
# Rule 5 (NAT)
#
echo "Rule 5 (NAT)"
#
$IPTABLES -t nat -A POSTROUTING -o eth+ -s 192.168.1.0/24 -j SNAT --to-source 22.22.25.50
#
# Rule 6 (NAT)
#
echo "Rule 6 (NAT)"
#
$IPTABLES -t nat -A POSTROUTING -o eth+ -s 192.168.1.10 -j SNAT --to-source 22.22.22.23
#
# Rule 7 (NAT)
#
echo "Rule 7 (NAT)"
#
$IPTABLES -t nat -A POSTROUTING -o eth+ -s 192.168.1.10 -j SNAT --to-source 22.22.22.23
$IPTABLES -t nat -A POSTROUTING -o eth+ -s 192.168.1.10 -j SNAT --to-source 22.22.22.24
$IPTABLES -t nat -A POSTROUTING -o eth+ -s 192.168.1.10 -j SNAT --to-source 22.22.22.25
#
# Rule 8 (NAT)
#
echo "Rule 8 (NAT)"
#
$IPTABLES -t nat -A POSTROUTING -o eth+ -s 192.168.1.0/24 -d 192.168.1.10 -j SNAT --to-source 192.168.1.1
#
# Rule 9 (NAT)
#
echo "Rule 9 (NAT)"
#
$IPTABLES -t nat -N Cid35496X1833.0
$IPTABLES -t nat -A POSTROUTING -d 192.168.2.10 -j Cid35496X1833.0
$IPTABLES -t nat -A POSTROUTING -d 192.168.2.11 -j Cid35496X1833.0
$IPTABLES -t nat -A Cid35496X1833.0 -s 22.22.22.22 -j ACCEPT
$IPTABLES -t nat -A Cid35496X1833.0 -s 22.22.23.23 -j ACCEPT
$IPTABLES -t nat -A Cid35496X1833.0 -s 22.22.25.50 -j ACCEPT
$IPTABLES -t nat -A Cid35496X1833.0 -s 192.168.1.1 -j ACCEPT
$IPTABLES -t nat -A Cid35496X1833.0 -s 192.168.2.1 -j ACCEPT
$IPTABLES -t nat -A Cid35496X1833.0 -s 192.168.2.40 -j ACCEPT
$IPTABLES -t nat -A OUTPUT -d 192.168.2.10 -j ACCEPT
$IPTABLES -t nat -A OUTPUT -d 192.168.2.11 -j ACCEPT
$IPTABLES -t nat -N Cid35496X1833.1
$IPTABLES -t nat -A POSTROUTING -d 192.168.2.10 -j Cid35496X1833.1
$IPTABLES -t nat -A POSTROUTING -d 192.168.2.11 -j Cid35496X1833.1
$IPTABLES -t nat -A Cid35496X1833.1 -s 192.168.1.10 -j ACCEPT
$IPTABLES -t nat -A Cid35496X1833.1 -s 192.168.1.20 -j ACCEPT
$IPTABLES -t nat -N Cid35496X1833.2
$IPTABLES -t nat -A PREROUTING -d 192.168.2.10 -j Cid35496X1833.2
$IPTABLES -t nat -A PREROUTING -d 192.168.2.11 -j Cid35496X1833.2
$IPTABLES -t nat -A Cid35496X1833.2 -s 192.168.1.10 -j ACCEPT
$IPTABLES -t nat -A Cid35496X1833.2 -s 192.168.1.20 -j ACCEPT
#
# Rule 10 (NAT)
#
echo "Rule 10 (NAT)"
#
$IPTABLES -t nat -N Cid35514X1833.0
$IPTABLES -t nat -A POSTROUTING -s 192.168.1.10 -j Cid35514X1833.0
$IPTABLES -t nat -A POSTROUTING -s 192.168.1.20 -j Cid35514X1833.0
$IPTABLES -t nat -A PREROUTING -s 192.168.1.10 -j Cid35514X1833.0
$IPTABLES -t nat -A PREROUTING -s 192.168.1.20 -j Cid35514X1833.0
$IPTABLES -t nat -A Cid35514X1833.0 -d 192.168.2.10 -j RETURN
$IPTABLES -t nat -A Cid35514X1833.0 -d 192.168.2.11 -j RETURN
$IPTABLES -t nat -A Cid35514X1833.0 -j ACCEPT
#
# Rule 11 (NAT)
#
echo "Rule 11 (NAT)"
#
$IPTABLES -t nat -A PREROUTING -p icmp -m icmp -d 22.22.22.23 --icmp-type 3 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A PREROUTING -p icmp -m icmp -d 22.22.22.23 --icmp-type 0/0 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A PREROUTING -p icmp -m icmp -d 22.22.22.23 --icmp-type 11/0 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A PREROUTING -p icmp -m icmp -d 22.22.22.23 --icmp-type 11/1 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -m multiport -d 22.22.22.23 --dports 80,119 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A PREROUTING -p 50 -d 22.22.22.23 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A PREROUTING -p 88 -d 22.22.22.23 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p icmp -m icmp -d 22.22.22.23 --icmp-type 3 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p icmp -m icmp -d 22.22.22.23 --icmp-type 0/0 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p icmp -m icmp -d 22.22.22.23 --icmp-type 11/0 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p icmp -m icmp -d 22.22.22.23 --icmp-type 11/1 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -m multiport -d 22.22.22.23 --dports 80,119 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p 50 -d 22.22.22.23 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p 88 -d 22.22.22.23 -j DNAT --to-destination 192.168.1.10
#
# Rule 12 (NAT)
#
echo "Rule 12 (NAT)"
#
$IPTABLES -t nat -A OUTPUT -p icmp -m icmp -d 22.22.22.23 --icmp-type 3 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p icmp -m icmp -d 22.22.22.23 --icmp-type 0/0 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p icmp -m icmp -d 22.22.22.23 --icmp-type 11/0 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p icmp -m icmp -d 22.22.22.23 --icmp-type 11/1 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -m multiport -d 22.22.22.23 --dports 80,119 -j DNAT --to-destination 192.168.1.10
#
# Rule 13 (NAT)
#
echo "Rule 13 (NAT)"
#
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -m multiport -s 22.22.23.23 -d 22.22.22.23 --dports 80,119 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -m multiport -s 22.22.25.50 -d 22.22.22.23 --dports 80,119 -j DNAT --to-destination 192.168.1.10
#
# Rule 14 (NAT)
#
echo "Rule 14 (NAT)"
#
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -m multiport -d 22.22.22.23 --dports 80,119 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -m multiport -s 200.200.200.200 -d 22.22.22.23 --dports 80,119 -j DNAT --to-destination 192.168.1.10
#
# Rule 16 (NAT)
#
echo "Rule 16 (NAT)"
#
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -m multiport -d 22.22.22.23 --dports 80,119 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -m multiport -d 22.22.22.24 --dports 80,119 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -m multiport -d 22.22.22.25 --dports 80,119 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -m multiport -d 22.22.22.23 --dports 80,119 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -m multiport -d 22.22.22.24 --dports 80,119 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -m multiport -d 22.22.22.25 --dports 80,119 -j DNAT --to-destination 192.168.1.10
#
# Rule 17 (NAT)
#
echo "Rule 17 (NAT)"
#
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.22.22 --dport 119 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -d 22.22.22.22 --dport 119 -j DNAT --to-destination 192.168.1.10
#
# Rule 18 (NAT)
#
echo "Rule 18 (NAT)"
#
$IPTABLES -t nat -A POSTROUTING -o eth+ -s 192.168.1.20 -j SNAT --to-source 22.22.23.24
#
# Rule 19 (NAT)
#
echo "Rule 19 (NAT)"
#
$IPTABLES -t nat -A PREROUTING -d 22.22.23.24 -j DNAT --to-destination 192.168.1.20
$IPTABLES -t nat -A OUTPUT -d 22.22.23.24 -j DNAT --to-destination 192.168.1.20
#
# Rule 20 (NAT)
#
echo "Rule 20 (NAT)"
#
# firewall2-3:NAT:20: warning: Adding of virtual address for address range is not implemented (object ext_range)
$IPTABLES -t nat -A POSTROUTING -o eth+ -s 192.168.1.0/24 -j SNAT --to-source 22.22.22.100-22.22.22.110
#
# Rule 21 (NAT)
#
echo "Rule 21 (NAT)"
#
# NETMAP
$IPTABLES -t nat -A POSTROUTING -s 192.168.1.0/24 -j NETMAP --to 22.22.22.0/24
#
# Rule 22 (NAT)
#
echo "Rule 22 (NAT)"
#
# NETMAP
$IPTABLES -t nat -A PREROUTING -d 22.22.22.0/24 -j NETMAP --to 192.168.1.0/24
#
# Rule 23 (NAT)
#
echo "Rule 23 (NAT)"
#
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.22.22 --dport 10000:11000 -j DNAT --to-destination 192.168.1.10:10000-11000
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.23.23 --dport 10000:11000 -j DNAT --to-destination 192.168.1.10:10000-11000
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.25.50 --dport 10000:11000 -j DNAT --to-destination 192.168.1.10:10000-11000
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 192.168.1.1 --dport 10000:11000 -j DNAT --to-destination 192.168.1.10:10000-11000
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 192.168.2.1 --dport 10000:11000 -j DNAT --to-destination 192.168.1.10:10000-11000
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 192.168.2.40 --dport 10000:11000 -j DNAT --to-destination 192.168.1.10:10000-11000
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -d 22.22.22.22 --dport 10000:11000 -j DNAT --to-destination 192.168.1.10:10000-11000
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -d 22.22.23.23 --dport 10000:11000 -j DNAT --to-destination 192.168.1.10:10000-11000
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -d 22.22.25.50 --dport 10000:11000 -j DNAT --to-destination 192.168.1.10:10000-11000
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -d 192.168.1.1 --dport 10000:11000 -j DNAT --to-destination 192.168.1.10:10000-11000
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -d 192.168.2.1 --dport 10000:11000 -j DNAT --to-destination 192.168.1.10:10000-11000
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -d 192.168.2.40 --dport 10000:11000 -j DNAT --to-destination 192.168.1.10:10000-11000
#
# Rule 24 (NAT)
#
echo "Rule 24 (NAT)"
#
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.22.22 --dport 80 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -d 22.22.22.22 --dport 80 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.23.23 --dport 80 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.25.50 --dport 80 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -d 22.22.23.23 --dport 80 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -d 22.22.25.50 --dport 80 -j DNAT --to-destination 192.168.1.10
$IPTABLES -t nat -A POSTROUTING -o eth0 -p tcp -m tcp -d 192.168.1.10 --dport 80 -j SNAT --to-source 192.168.1.1
#
# Rule 25 (NAT)
#
echo "Rule 25 (NAT)"
#
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.22.23 --dport 80 -j DNAT --to-destination 192.168.1.10:25
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -d 22.22.22.23 --dport 80 -j DNAT --to-destination 192.168.1.10:25
#
# Rule 26 (NAT)
#
echo "Rule 26 (NAT)"
#
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.22.22 --dport 80 -j REDIRECT --to-ports 3128
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.23.23 --dport 80 -j REDIRECT --to-ports 3128
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.25.50 --dport 80 -j REDIRECT --to-ports 3128
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 192.168.1.1 --dport 80 -j REDIRECT --to-ports 3128
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 192.168.2.1 --dport 80 -j REDIRECT --to-ports 3128
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 192.168.2.40 --dport 80 -j REDIRECT --to-ports 3128
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.22.22 --dport 443 -j REDIRECT --to-ports 3128
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.23.23 --dport 443 -j REDIRECT --to-ports 3128
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.25.50 --dport 443 -j REDIRECT --to-ports 3128
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 192.168.1.1 --dport 443 -j REDIRECT --to-ports 3128
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 192.168.2.1 --dport 443 -j REDIRECT --to-ports 3128
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 192.168.2.40 --dport 443 -j REDIRECT --to-ports 3128
#
# Rule 27 (NAT)
#
echo "Rule 27 (NAT)"
#
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.22.22 --dport 8080 -j DNAT --to-destination 192.168.1.10-192.168.1.100
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -d 22.22.22.22 --dport 8080 -j DNAT --to-destination 192.168.1.10-192.168.1.100
#
# Rule 28 (NAT)
#
echo "Rule 28 (NAT)"
#
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 22.22.22.22 --dport 8080 -j DNAT --to-destination 192.168.1.11-192.168.1.15
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -d 22.22.22.22 --dport 8080 -j DNAT --to-destination 192.168.1.11-192.168.1.15
#
# Rule 29 (NAT)
#
echo "Rule 29 (NAT)"
#
# transparent proxy rule
$IPTABLES -t nat -A PREROUTING -s 192.168.1.0/24 -d ! 22.22.22.23 -j DNAT --to-destination 192.168.2.10
#
# Rule 31 (NAT)
#
echo "Rule 31 (NAT)"
#
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp --dport 80 -j DNAT --to-destination :8080
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp --dport 80 -j DNAT --to-destination :8080
#
# Rule 32 (NAT)
#
echo "Rule 32 (NAT)"
#
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 192.168.1.10 --dport 80 -j DNAT --to-destination 192.168.1.10:8080
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -d 192.168.1.10 --dport 80 -j DNAT --to-destination 192.168.1.10:8080
#
# Rule 33 (NAT)
#
echo "Rule 33 (NAT)"
#
$IPTABLES -t nat -A POSTROUTING -o eth1 -p tcp -m tcp -s 192.168.1.10 --dport 80 -j SNAT --to-source 22.22.22.22
#
# Rule 34 (NAT)
#
echo "Rule 34 (NAT)"
#
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -s ! 192.168.1.10 --dport 80 -j DNAT --to-destination 192.168.1.10:3128
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp --dport 80 -j DNAT --to-destination 192.168.1.10:3128
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -s ! 192.168.1.10 --dport 80 -j DNAT --to-destination 192.168.1.10:3128
$IPTABLES -t nat -A POSTROUTING -o eth0 -p tcp -m tcp -s ! 192.168.1.10 -d 192.168.1.10 --dport 3128 -j SNAT --to-source 192.168.1.1
#
# Rule 35 (NAT)
#
echo "Rule 35 (NAT)"
#
$IPTABLES -t nat -N Cid35884X1833.0
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d ! 192.168.1.50 --dport 80 -j Cid35884X1833.0
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp -d ! 192.168.1.50 --dport 80 -j Cid35884X1833.0
$IPTABLES -t nat -A Cid35884X1833.0 -s 192.168.1.10 -j RETURN
$IPTABLES -t nat -A Cid35884X1833.0 -s 192.168.1.20 -j RETURN
$IPTABLES -t nat -A Cid35884X1833.0 -p tcp -m tcp --dport 80 -j DNAT --to-destination 192.168.1.50:3128
#
# Rule 36 (NAT)
#
echo "Rule 36 (NAT)"
#
$IPTABLES -t nat -N Cid35898X1833.1
$IPTABLES -t nat -A POSTROUTING -o eth0 -j Cid35898X1833.1
$IPTABLES -t nat -A Cid35898X1833.1 -s 192.168.1.10 -j RETURN
$IPTABLES -t nat -A Cid35898X1833.1 -s 192.168.1.20 -j RETURN
$IPTABLES -t nat -N Cid35898X1833.0
$IPTABLES -t nat -A Cid35898X1833.1 -j Cid35898X1833.0
$IPTABLES -t nat -A Cid35898X1833.0 -p tcp -m tcp --dport 80 -j RETURN
$IPTABLES -t nat -A Cid35898X1833.0 -j SNAT --to-source 192.168.1.1
#
# Rule 37 (NAT)
#
echo "Rule 37 (NAT)"
#
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -s 192.168.1.0/24 --dport 80 -j DNAT --to-destination 192.168.1.10:3128
$IPTABLES -t nat -A POSTROUTING -o eth0 -p tcp -m tcp -s 192.168.1.0/24 -d 192.168.1.10 --dport 3128 -j SNAT --to-source 192.168.1.1
#
# Rule 38 (NAT)
#
echo "Rule 38 (NAT)"
#
# this is the "exception" rule
# used in support req. originally
$IPTABLES -t nat -A POSTROUTING -o eth1 -p tcp -m tcp -s 192.168.1.10 --dport 80 -j SNAT --to-source 22.22.22.22
$IPTABLES -t nat -A POSTROUTING -o eth1 -p tcp -m tcp -s 192.168.1.20 --dport 80 -j SNAT --to-source 22.22.22.22
#
# Rule 39 (NAT)
#
echo "Rule 39 (NAT)"
#
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -s 192.168.1.0/24 --dport 80 -j DNAT --to-destination 192.168.1.1:3128
#
# Rule 40 (NAT)
#
echo "Rule 40 (NAT)"
#
# "exception" rule in the pair
# from a support req.
$IPTABLES -t nat -A POSTROUTING -o eth1 -p tcp -m tcp -s 192.168.1.10 --dport 80 -j SNAT --to-source 22.22.22.22
$IPTABLES -t nat -A POSTROUTING -o eth1 -p tcp -m tcp -s 192.168.1.20 --dport 80 -j SNAT --to-source 22.22.22.22
#
# Rule 41 (NAT)
#
echo "Rule 41 (NAT)"
#
# testing transparent proxy
# roules for a support req.
$IPTABLES -t nat -N Cid35968X1833.0
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp --dport 80 -j Cid35968X1833.0
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp --dport 80 -j Cid35968X1833.0
$IPTABLES -t nat -A Cid35968X1833.0 -s 192.168.1.10 -j RETURN
$IPTABLES -t nat -A Cid35968X1833.0 -s 192.168.1.20 -j RETURN
$IPTABLES -t nat -A Cid35968X1833.0 -p tcp -m tcp --dport 80 -j DNAT --to-destination 192.168.1.1:3128
#
# Rule 42 (NAT)
#
echo "Rule 42 (NAT)"
#
# testing transparent proxy
# roules for a support req.
$IPTABLES -t nat -N Cid35982X1833.0
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp --dport 80 -j Cid35982X1833.0
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp --dport 80 -j Cid35982X1833.0
$IPTABLES -t nat -A Cid35982X1833.0 -s 192.168.1.10 -j RETURN
$IPTABLES -t nat -A Cid35982X1833.0 -s 192.168.1.20 -j RETURN
$IPTABLES -t nat -A Cid35982X1833.0 -p tcp -m tcp --dport 80 -j DNAT --to-destination 192.168.1.1:3128
#
# Rule 43 (NAT)
#
echo "Rule 43 (NAT)"
#
# testing transparent proxy
# roules for a support req.
$IPTABLES -t nat -N Cid35996X1833.0
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp --dport 80 -j Cid35996X1833.0
$IPTABLES -t nat -A Cid35996X1833.0 -s 192.168.1.10 -j RETURN
$IPTABLES -t nat -A Cid35996X1833.0 -s 192.168.1.20 -j RETURN
$IPTABLES -t nat -A Cid35996X1833.0 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 3128
#
# Rule 44 (NAT)
#
echo "Rule 44 (NAT)"
#
# "exception" rule in the pair
# from a support req.
$IPTABLES -t nat -A POSTROUTING -o eth1 -p tcp -m tcp -s 192.168.1.10 --dport 80 -j SNAT --to-source 22.22.22.22
$IPTABLES -t nat -A POSTROUTING -o eth1 -p tcp -m tcp -s 192.168.1.20 --dport 80 -j SNAT --to-source 22.22.22.22
#
# Rule 45 (NAT)
#
echo "Rule 45 (NAT)"
#
# testing transparent proxy
# roules for a support req.
$IPTABLES -t nat -N Cid36024X1833.0
$IPTABLES -t nat -A PREROUTING -p tcp -m tcp --dport 80 -j Cid36024X1833.0
$IPTABLES -t nat -A OUTPUT -p tcp -m tcp --dport 80 -j Cid36024X1833.0
$IPTABLES -t nat -A Cid36024X1833.0 -s 192.168.1.10 -j RETURN
$IPTABLES -t nat -A Cid36024X1833.0 -s 192.168.1.20 -j RETURN
$IPTABLES -t nat -A Cid36024X1833.0 -p tcp -m tcp --dport 80 -j DNAT --to-destination 192.168.1.50:3128
# ================ Table 'filter', rule set Policy
#
# Rule 0 (eth1)
#
echo "Rule 0 (eth1)"
#
# Anti-spoofing rule
$IPTABLES -N In_RULE_0
$IPTABLES -A INPUT -i eth1 -s 22.22.22.22 -j In_RULE_0
$IPTABLES -A INPUT -i eth1 -s 22.22.23.23 -j In_RULE_0
$IPTABLES -A INPUT -i eth1 -s 22.22.25.50 -j In_RULE_0
$IPTABLES -A INPUT -i eth1 -s 192.168.1.1 -j In_RULE_0
$IPTABLES -A INPUT -i eth1 -s 192.168.2.1 -j In_RULE_0
$IPTABLES -A INPUT -i eth1 -s 192.168.2.40 -j In_RULE_0
$IPTABLES -A INPUT -i eth1 -s 192.168.1.0/24 -j In_RULE_0
$IPTABLES -A FORWARD -i eth1 -s 22.22.22.22 -j In_RULE_0
$IPTABLES -A FORWARD -i eth1 -s 22.22.23.23 -j In_RULE_0
$IPTABLES -A FORWARD -i eth1 -s 22.22.25.50 -j In_RULE_0
$IPTABLES -A FORWARD -i eth1 -s 192.168.1.1 -j In_RULE_0
$IPTABLES -A FORWARD -i eth1 -s 192.168.2.1 -j In_RULE_0
$IPTABLES -A FORWARD -i eth1 -s 192.168.2.40 -j In_RULE_0
$IPTABLES -A FORWARD -i eth1 -s 192.168.1.0/24 -j In_RULE_0
$IPTABLES -A In_RULE_0 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "Iface: global RULE 0 -- DENY " --ulog-qthreshold 1
$IPTABLES -A In_RULE_0 -j DROP
#
# Rule 1 (eth1)
#
echo "Rule 1 (eth1)"
#
# Anti-spoofing rule
$IPTABLES -N Cid35127X1833.0
$IPTABLES -A OUTPUT -o eth1 -j Cid35127X1833.0
$IPTABLES -A Cid35127X1833.0 -s 22.22.22.22 -j RETURN
$IPTABLES -A Cid35127X1833.0 -s 22.22.23.23 -j RETURN
$IPTABLES -A Cid35127X1833.0 -s 22.22.25.50 -j RETURN
$IPTABLES -A Cid35127X1833.0 -s 192.168.1.1 -j RETURN
$IPTABLES -A Cid35127X1833.0 -s 192.168.2.1 -j RETURN
$IPTABLES -A Cid35127X1833.0 -s 192.168.2.40 -j RETURN
$IPTABLES -N Out_RULE_1_3
$IPTABLES -A Cid35127X1833.0 -j Out_RULE_1_3
$IPTABLES -A Out_RULE_1_3 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "Iface: global RULE 1 -- DENY " --ulog-qthreshold 1
$IPTABLES -A Out_RULE_1_3 -j DROP
$IPTABLES -N Cid35127X1833.1
$IPTABLES -A FORWARD -o eth1 -j Cid35127X1833.1
$IPTABLES -A Cid35127X1833.1 -s 192.168.1.0/24 -j RETURN
$IPTABLES -A Cid35127X1833.1 -j Out_RULE_1_3
#
# Rule 2 (fw2i1,3)
#
echo "Rule 2 (fw2i1,3)"
#
# testing group in "interface"
# this rule should be identical to rule 3
$IPTABLES -N In_RULE_2
$IPTABLES -A INPUT -i eth1 -p udp -m udp -m multiport -s 192.168.1.0/24 --dports 68,67 -j In_RULE_2
$IPTABLES -A INPUT -i eth3 -p udp -m udp -m multiport -s 192.168.1.0/24 --dports 68,67 -j In_RULE_2
$IPTABLES -A FORWARD -i eth1 -p udp -m udp -m multiport -s 192.168.1.0/24 --dports 68,67 -j In_RULE_2
$IPTABLES -A FORWARD -i eth3 -p udp -m udp -m multiport -s 192.168.1.0/24 --dports 68,67 -j In_RULE_2
$IPTABLES -A In_RULE_2 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "RULE 2 - DENY **" --ulog-qthreshold 1
$IPTABLES -A In_RULE_2 -j DROP
#
# Rule 3 (eth1,eth3)
#
echo "Rule 3 (eth1,eth3)"
#
$IPTABLES -N In_RULE_3
$IPTABLES -A INPUT -i eth1 -p udp -m udp -m multiport -s 192.168.1.0/24 --dports 68,67 -j In_RULE_3
$IPTABLES -A INPUT -i eth3 -p udp -m udp -m multiport -s 192.168.1.0/24 --dports 68,67 -j In_RULE_3
$IPTABLES -A FORWARD -i eth1 -p udp -m udp -m multiport -s 192.168.1.0/24 --dports 68,67 -j In_RULE_3
$IPTABLES -A FORWARD -i eth3 -p udp -m udp -m multiport -s 192.168.1.0/24 --dports 68,67 -j In_RULE_3
$IPTABLES -A In_RULE_3 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "RULE 3 - DENY **" --ulog-qthreshold 1
$IPTABLES -A In_RULE_3 -j DROP
#
# Rule 4 (eth1,eth3)
#
echo "Rule 4 (eth1,eth3)"
#
# testing choice of chains in case when several
# interfaces are used and rule matches 'any' or
# broadcast
$IPTABLES -A INPUT -i eth1 -p udp -m udp -m multiport -d 255.255.255.255 --dports 68,67 -m state --state NEW -j ACCEPT
$IPTABLES -A INPUT -i eth3 -p udp -m udp -m multiport -d 255.255.255.255 --dports 68,67 -m state --state NEW -j ACCEPT
$IPTABLES -A OUTPUT -o eth1 -p udp -m udp -m multiport -d 255.255.255.255 --dports 68,67 -m state --state NEW -j ACCEPT
$IPTABLES -A OUTPUT -o eth3 -p udp -m udp -m multiport -d 255.255.255.255 --dports 68,67 -m state --state NEW -j ACCEPT
#
# Rule 5 (eth1,eth3)
#
echo "Rule 5 (eth1,eth3)"
#
$IPTABLES -A INPUT -i eth1 -p udp -m udp -m multiport -s 0.0.0.0 -d 255.255.255.255 --dports 68,67 -m state --state NEW -j ACCEPT
$IPTABLES -A INPUT -i eth3 -p udp -m udp -m multiport -s 0.0.0.0 -d 255.255.255.255 --dports 68,67 -m state --state NEW -j ACCEPT
#
# Rule 6 (eth1,eth3)
#
echo "Rule 6 (eth1,eth3)"
#
$IPTABLES -A OUTPUT -o eth1 -p udp -m udp -m multiport -s 192.168.1.0/24 -d 255.255.255.255 --dports 68,67 -m state --state NEW -j ACCEPT
$IPTABLES -A OUTPUT -o eth3 -p udp -m udp -m multiport -s 192.168.1.0/24 -d 255.255.255.255 --dports 68,67 -m state --state NEW -j ACCEPT
#
# Rule 7 (global)
#
echo "Rule 7 (global)"
#
$IPTABLES -N Cid35204X1833.0
$IPTABLES -A OUTPUT -j Cid35204X1833.0
$IPTABLES -A INPUT -j Cid35204X1833.0
$IPTABLES -A FORWARD -j Cid35204X1833.0
$IPTABLES -A Cid35204X1833.0 -p tcp -m tcp --tcp-flags SYN,RST,ACK SYN -j RETURN
$IPTABLES -N RULE_7_3
$IPTABLES -A Cid35204X1833.0 -j RULE_7_3
$IPTABLES -A RULE_7_3 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "RULE 7 - DENY **" --ulog-qthreshold 1
$IPTABLES -A RULE_7_3 -j DROP
#
# Rule 8 (global)
#
echo "Rule 8 (global)"
#
# block fragments
$IPTABLES -N RULE_8
$IPTABLES -A OUTPUT -p all -f -j RULE_8
$IPTABLES -A INPUT -p all -f -j RULE_8
$IPTABLES -A FORWARD -p all -f -j RULE_8
$IPTABLES -A RULE_8 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "RULE 8 - DENY **" --ulog-qthreshold 1
$IPTABLES -A RULE_8 -j DROP
#
# Rule 9 (global)
#
echo "Rule 9 (global)"
#
# sends TCP RST and makes custom record
# in the log
$IPTABLES -N RULE_9
$IPTABLES -A OUTPUT -p tcp -m tcp --dport 113 -j RULE_9
$IPTABLES -A INPUT -p tcp -m tcp --dport 113 -j RULE_9
$IPTABLES -A FORWARD -p tcp -m tcp --dport 113 -j RULE_9
$IPTABLES -A RULE_9 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "IDENT" --ulog-qthreshold 1
$IPTABLES -A RULE_9 -p tcp -m tcp -j REJECT --reject-with tcp-reset
#
# Rule 10 (global)
#
echo "Rule 10 (global)"
#
# firewall2-3:Policy:10: warning: Rule action 'Reject' with TCP RST can be used only with TCP services.
$IPTABLES -N RULE_10
$IPTABLES -A OUTPUT -p udp -m udp --dport 161 -j RULE_10
$IPTABLES -A INPUT -p udp -m udp --dport 161 -j RULE_10
$IPTABLES -A FORWARD -p udp -m udp --dport 161 -j RULE_10
$IPTABLES -A RULE_10 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "RULE 10 - REJECT **" --ulog-qthreshold 1
$IPTABLES -A RULE_10 -j REJECT --reject-with icmp-net-unreachable
#
# Rule 11 (global)
#
echo "Rule 11 (global)"
#
$IPTABLES -N Cid35252X1833.0
$IPTABLES -A INPUT -p icmp -s 192.168.2.0/24 -m state --state NEW -j Cid35252X1833.0
$IPTABLES -N RULE_11
$IPTABLES -A Cid35252X1833.0 -d 192.168.2.1 -j RULE_11
$IPTABLES -A Cid35252X1833.0 -d 192.168.2.40 -j RULE_11
$IPTABLES -A RULE_11 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "RULE 11 - ACCEPT **" --ulog-qthreshold 1
$IPTABLES -A RULE_11 -j ACCEPT
#
# Rule 12 (global)
#
echo "Rule 12 (global)"
#
$IPTABLES -N Cid35264X1833.0
$IPTABLES -A FORWARD -d 211.11.11.11 -m state --state NEW -j Cid35264X1833.0
$IPTABLES -A Cid35264X1833.0 -s 192.168.1.10 -j ACCEPT
$IPTABLES -A Cid35264X1833.0 -s 192.168.1.20 -j ACCEPT
#
# Rule 13 (global)
#
echo "Rule 13 (global)"
#
$IPTABLES -N Cid35277X1833.0
$IPTABLES -A FORWARD -s 211.11.11.11 -m state --state NEW -j Cid35277X1833.0
$IPTABLES -A Cid35277X1833.0 -d 192.168.1.10 -j ACCEPT
$IPTABLES -A Cid35277X1833.0 -d 192.168.1.20 -j ACCEPT
#
# Rule 14 (global)
#
echo "Rule 14 (global)"
#
$IPTABLES -N Cid35290X1833.0
$IPTABLES -A OUTPUT -p tcp -m tcp -j Cid35290X1833.0
$IPTABLES -A INPUT -p tcp -m tcp -j Cid35290X1833.0
$IPTABLES -A FORWARD -p tcp -m tcp -j Cid35290X1833.0
$IPTABLES -A Cid35290X1833.0 -s 192.168.1.0/24 -j RETURN
$IPTABLES -A Cid35290X1833.0 -s 192.168.2.0/24 -j RETURN
$IPTABLES -A Cid35290X1833.0 -p tcp -m tcp -j REJECT --reject-with tcp-reset
$IPTABLES -N Cid35290X1833.1
$IPTABLES -A OUTPUT -j Cid35290X1833.1
$IPTABLES -A INPUT -j Cid35290X1833.1
$IPTABLES -A FORWARD -j Cid35290X1833.1
$IPTABLES -A Cid35290X1833.1 -s 192.168.1.0/24 -j RETURN
$IPTABLES -A Cid35290X1833.1 -s 192.168.2.0/24 -j RETURN
$IPTABLES -A Cid35290X1833.1 -j REJECT --reject-with icmp-net-unreachable
#
# Rule 15 (global)
#
echo "Rule 15 (global)"
#
$IPTABLES -A INPUT -s 192.168.1.0/24 -m state --state NEW -j ACCEPT
$IPTABLES -A INPUT -s 192.168.2.0/24 -m state --state NEW -j ACCEPT
$IPTABLES -A OUTPUT -s 192.168.1.0/24 -m state --state NEW -j ACCEPT
$IPTABLES -A OUTPUT -s 192.168.2.0/24 -m state --state NEW -j ACCEPT
$IPTABLES -A FORWARD -s 192.168.1.0/24 -m state --state NEW -j ACCEPT
$IPTABLES -A FORWARD -s 192.168.2.0/24 -m state --state NEW -j ACCEPT
#
# Rule 16 (global)
#
echo "Rule 16 (global)"
#
$IPTABLES -N RULE_16
$IPTABLES -A INPUT -s 192.168.1.0/24 -j RULE_16
$IPTABLES -A OUTPUT -s 192.168.1.0/24 -j RULE_16
$IPTABLES -A FORWARD -s 192.168.1.0/24 -j RULE_16
$IPTABLES -A RULE_16 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "RULE 16 - DENY **" --ulog-qthreshold 1
$IPTABLES -A RULE_16 -j DROP
#
# Rule 17 (global)
#
echo "Rule 17 (global)"
#
# host-fw2 has the same address as
# one of the firewall's interfaces
$IPTABLES -N RULE_17
$IPTABLES -A OUTPUT -p tcp -m tcp -d 22.22.22.22 --dport 21 -m state --state NEW -m limit --limit 5/minute --limit-burst 10 -j RULE_17
$IPTABLES -A INPUT -p tcp -m tcp -d 22.22.22.22 --dport 21 -m state --state NEW -m limit --limit 5/minute --limit-burst 10 -j RULE_17
$IPTABLES -A RULE_17 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "RULE 17 - ACCEPT **" --ulog-qthreshold 1
$IPTABLES -A RULE_17 -j ACCEPT
#
# Rule 18 (global)
#
echo "Rule 18 (global)"
#
$IPTABLES -N Cid35340X1833.0
$IPTABLES -A OUTPUT -p tcp -m tcp --dport 21 -m state --state NEW -j Cid35340X1833.0
$IPTABLES -N RULE_18
$IPTABLES -A Cid35340X1833.0 -d 22.22.22.22 -j RULE_18
$IPTABLES -A Cid35340X1833.0 -d 22.22.23.23 -j RULE_18
$IPTABLES -A Cid35340X1833.0 -d 22.22.25.50 -j RULE_18
$IPTABLES -A Cid35340X1833.0 -d 192.168.1.1 -j RULE_18
$IPTABLES -A Cid35340X1833.0 -d 192.168.2.1 -j RULE_18
$IPTABLES -A Cid35340X1833.0 -d 192.168.2.40 -j RULE_18
$IPTABLES -N Cid35340X1833.1
$IPTABLES -A INPUT -p tcp -m tcp --dport 21 -m state --state NEW -j Cid35340X1833.1
$IPTABLES -A Cid35340X1833.1 -d 22.22.22.22 -j RULE_18
$IPTABLES -A Cid35340X1833.1 -d 22.22.23.23 -j RULE_18
$IPTABLES -A Cid35340X1833.1 -d 22.22.25.50 -j RULE_18
$IPTABLES -A Cid35340X1833.1 -d 192.168.1.1 -j RULE_18
$IPTABLES -A Cid35340X1833.1 -d 192.168.2.1 -j RULE_18
$IPTABLES -A Cid35340X1833.1 -d 192.168.2.40 -j RULE_18
$IPTABLES -A RULE_18 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "RULE 18 - ACCEPT **" --ulog-qthreshold 1
$IPTABLES -A RULE_18 -j ACCEPT
#
# Rule 19 (global)
#
echo "Rule 19 (global)"
#
# 'catch all' rule
$IPTABLES -N RULE_19
$IPTABLES -A OUTPUT -j RULE_19
$IPTABLES -A INPUT -j RULE_19
$IPTABLES -A FORWARD -j RULE_19
$IPTABLES -A RULE_19 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "RULE 19 - DENY **" --ulog-qthreshold 1
$IPTABLES -A RULE_19 -j DROP
}
ip_forward() {
:
echo 1 > /proc/sys/net/ipv4/ip_forward
}
reset_all() {
:
reset_iptables_v4
}
block_action() {
reset_all
}
stop_action() {
reset_all
$IPTABLES -P OUTPUT ACCEPT
$IPTABLES -P INPUT ACCEPT
$IPTABLES -P FORWARD ACCEPT
}
check_iptables() {
IP_TABLES="$1"
[ ! -e $IP_TABLES ] && return 151
NF_TABLES=$(cat $IP_TABLES 2>/dev/null)
[ -z "$NF_TABLES" ] && return 152
return 0
}
status_action() {
check_iptables "/proc/net/ip_tables_names"
ret_ipv4=$?
check_iptables "/proc/net/ip6_tables_names"
ret_ipv6=$?
[ $ret_ipv4 -eq 0 -o $ret_ipv6 -eq 0 ] && return 0
[ $ret_ipv4 -eq 151 -o $ret_ipv6 -eq 151 ] && {
echo "iptables modules are not loaded"
}
[ $ret_ipv4 -eq 152 -o $ret_ipv6 -eq 152 ] && {
echo "Firewall is not configured"
}
exit 3
}
# See how we were called.
# For backwards compatibility missing argument is equivalent to 'start'
cmd=$1
test -z "$cmd" && {
cmd="start"
}
case "$cmd" in
start)
log "Activating firewall script generated Sun Mar 18 21:16:25 2012 by vadim"
check_tools
check_run_time_address_table_files
load_modules "nat "
configure_interfaces
verify_interfaces
reset_all
prolog_commands
script_body
ip_forward
epilog_commands
RETVAL=$?
;;
stop)
stop_action
RETVAL=$?
;;
status)
status_action
RETVAL=$?
;;
block)
block_action
RETVAL=$?
;;
reload)
$0 stop
$0 start
RETVAL=$?
;;
interfaces)
configure_interfaces
RETVAL=$?
;;
test_interfaces)
FWBDEBUG="echo"
configure_interfaces
RETVAL=$?
;;
*)
echo "Usage $0 [start|stop|status|block|reload|interfaces|test_interfaces]"
;;
esac
exit $RETVAL
|
