#!/bin/sh # # This is automatically generated file. DO NOT MODIFY ! # # Firewall Builder fwb_ipt v4.3.0.3542 # # Generated Sat May 14 15:40:04 2011 PDT by vadim # # files: * firewall2-2.fw /etc/fw/firewall2-2.fw # # Compiled for iptables 1.4.0 # # another copy of firewall2 but new iptables version # firewall2-2:NAT:20: warning: Adding of virtual address for address range is not implemented (object ext_range) # firewall2-2:Policy:0: error: Rule '0 (eth1)' shadows rule '3 (eth1,eth3)' below it # firewall2-2:Policy:0: error: Rule '0 (eth1)' shadows rule '3 (eth1,eth3)' below it # firewall2-2:Policy:4: error: Rule '4 (eth1,eth3)' shadows rule '5 (eth1,eth3)' below it # firewall2-2:Policy:4: error: Rule '4 (eth1,eth3)' shadows rule '5 (eth1,eth3)' below it # firewall2-2:Policy:4: error: Rule '4 (eth1,eth3)' shadows rule '5 (eth1,eth3)' below it # firewall2-2:Policy:4: error: Rule '4 (eth1,eth3)' shadows rule '5 (eth1,eth3)' below it # firewall2-2:Policy:4: error: Rule '4 (eth1,eth3)' shadows rule '6 (eth1,eth3)' below it # firewall2-2:Policy:4: error: Rule '4 (eth1,eth3)' shadows rule '6 (eth1,eth3)' below it # firewall2-2:Policy:4: error: Rule '4 (eth1,eth3)' shadows rule '6 (eth1,eth3)' below it # firewall2-2:Policy:4: error: Rule '4 (eth1,eth3)' shadows rule '6 (eth1,eth3)' below it # firewall2-2:Policy:10: error: Rule '10 (global)' shadows rule '11 (global)' below it # firewall2-2:Policy:10: error: Rule '10 (global)' shadows rule '12 (global)' below it # firewall2-2:Policy:10: error: Rule '10 (global)' shadows rule '13 (global)' below it # firewall2-2:Policy:10: error: Rule '10 (global)' shadows rule '14 (global)' below it # firewall2-2:Policy:10: error: Rule '10 (global)' shadows rule '20 (global)' below it # firewall2-2:Policy:25: error: Rule '25 (global)' shadows rule '26 (global)' below it # firewall2-2:Policy:: warning: Log prefix has been truncated to 29 characters # firewall2-2:Policy:: warning: Log prefix has been truncated to 29 characters # firewall2-2:Policy:: warning: Log prefix has been truncated to 29 characters # firewall2-2:Policy:10: warning: Rule action 'Reject' with TCP RST can be used only with TCP services. # firewall2-2:Policy:: warning: Log prefix has been truncated to 29 characters # firewall2-2: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 "$1" command -v "$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 command -v $PGM >/dev/null 2>&1 || { echo "$PGM not found" exit 1 } } check_tools() { 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 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 # 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 'mangle', automatic rules $IPTABLES -t mangle -A FORWARD -p tcp -m tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu # ================ 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 Cid32503X1798.0 $IPTABLES -t nat -A POSTROUTING -d 192.168.2.10 -j Cid32503X1798.0 $IPTABLES -t nat -A POSTROUTING -d 192.168.2.11 -j Cid32503X1798.0 $IPTABLES -t nat -A Cid32503X1798.0 -s 22.22.22.22 -j ACCEPT $IPTABLES -t nat -A Cid32503X1798.0 -s 22.22.23.23 -j ACCEPT $IPTABLES -t nat -A Cid32503X1798.0 -s 22.22.25.50 -j ACCEPT $IPTABLES -t nat -A Cid32503X1798.0 -s 192.168.1.1 -j ACCEPT $IPTABLES -t nat -A Cid32503X1798.0 -s 192.168.2.1 -j ACCEPT $IPTABLES -t nat -A Cid32503X1798.0 -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 Cid32503X1798.1 $IPTABLES -t nat -A POSTROUTING -d 192.168.2.10 -j Cid32503X1798.1 $IPTABLES -t nat -A POSTROUTING -d 192.168.2.11 -j Cid32503X1798.1 $IPTABLES -t nat -A Cid32503X1798.1 -s 192.168.1.10 -j ACCEPT $IPTABLES -t nat -A Cid32503X1798.1 -s 192.168.1.20 -j ACCEPT $IPTABLES -t nat -N Cid32503X1798.2 $IPTABLES -t nat -A PREROUTING -d 192.168.2.10 -j Cid32503X1798.2 $IPTABLES -t nat -A PREROUTING -d 192.168.2.11 -j Cid32503X1798.2 $IPTABLES -t nat -A Cid32503X1798.2 -s 192.168.1.10 -j ACCEPT $IPTABLES -t nat -A Cid32503X1798.2 -s 192.168.1.20 -j ACCEPT # # Rule 10 (NAT) # echo "Rule 10 (NAT)" # $IPTABLES -t nat -N Cid32521X1798.0 $IPTABLES -t nat -A POSTROUTING -s 192.168.1.10 -j Cid32521X1798.0 $IPTABLES -t nat -A POSTROUTING -s 192.168.1.20 -j Cid32521X1798.0 $IPTABLES -t nat -A PREROUTING -s 192.168.1.10 -j Cid32521X1798.0 $IPTABLES -t nat -A PREROUTING -s 192.168.1.20 -j Cid32521X1798.0 $IPTABLES -t nat -A Cid32521X1798.0 -d 192.168.2.10 -j RETURN $IPTABLES -t nat -A Cid32521X1798.0 -d 192.168.2.11 -j RETURN $IPTABLES -t nat -A Cid32521X1798.0 -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)" # # firewall2-2: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 Cid32891X1798.0 $IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d ! 192.168.1.50 --dport 80 -j Cid32891X1798.0 $IPTABLES -t nat -A OUTPUT -p tcp -m tcp -d ! 192.168.1.50 --dport 80 -j Cid32891X1798.0 $IPTABLES -t nat -A Cid32891X1798.0 -s 192.168.1.10 -j RETURN $IPTABLES -t nat -A Cid32891X1798.0 -s 192.168.1.20 -j RETURN $IPTABLES -t nat -A Cid32891X1798.0 -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 Cid32905X1798.1 $IPTABLES -t nat -A POSTROUTING -o eth0 -j Cid32905X1798.1 $IPTABLES -t nat -A Cid32905X1798.1 -s 192.168.1.10 -j RETURN $IPTABLES -t nat -A Cid32905X1798.1 -s 192.168.1.20 -j RETURN $IPTABLES -t nat -N Cid32905X1798.0 $IPTABLES -t nat -A Cid32905X1798.1 -j Cid32905X1798.0 $IPTABLES -t nat -A Cid32905X1798.0 -p tcp -m tcp --dport 80 -j RETURN $IPTABLES -t nat -A Cid32905X1798.0 -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 Cid32975X1798.0 $IPTABLES -t nat -A PREROUTING -p tcp -m tcp --dport 80 -j Cid32975X1798.0 $IPTABLES -t nat -A OUTPUT -p tcp -m tcp --dport 80 -j Cid32975X1798.0 $IPTABLES -t nat -A Cid32975X1798.0 -s 192.168.1.10 -j RETURN $IPTABLES -t nat -A Cid32975X1798.0 -s 192.168.1.20 -j RETURN $IPTABLES -t nat -A Cid32975X1798.0 -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 Cid32989X1798.0 $IPTABLES -t nat -A PREROUTING -p tcp -m tcp --dport 80 -j Cid32989X1798.0 $IPTABLES -t nat -A OUTPUT -p tcp -m tcp --dport 80 -j Cid32989X1798.0 $IPTABLES -t nat -A Cid32989X1798.0 -s 192.168.1.10 -j RETURN $IPTABLES -t nat -A Cid32989X1798.0 -s 192.168.1.20 -j RETURN $IPTABLES -t nat -A Cid32989X1798.0 -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 Cid33003X1798.0 $IPTABLES -t nat -A PREROUTING -p tcp -m tcp --dport 80 -j Cid33003X1798.0 $IPTABLES -t nat -A Cid33003X1798.0 -s 192.168.1.10 -j RETURN $IPTABLES -t nat -A Cid33003X1798.0 -s 192.168.1.20 -j RETURN $IPTABLES -t nat -A Cid33003X1798.0 -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 Cid33031X1798.0 $IPTABLES -t nat -A PREROUTING -p tcp -m tcp --dport 80 -j Cid33031X1798.0 $IPTABLES -t nat -A OUTPUT -p tcp -m tcp --dport 80 -j Cid33031X1798.0 $IPTABLES -t nat -A Cid33031X1798.0 -s 192.168.1.10 -j RETURN $IPTABLES -t nat -A Cid33031X1798.0 -s 192.168.1.20 -j RETURN $IPTABLES -t nat -A Cid33031X1798.0 -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 # firewall2-2:Policy:0: error: Rule '0 (eth1)' shadows rule '3 (eth1,eth3)' below it $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 Cid32134X1798.0 $IPTABLES -A OUTPUT -o eth1 -j Cid32134X1798.0 $IPTABLES -A Cid32134X1798.0 -s 22.22.22.22 -j RETURN $IPTABLES -A Cid32134X1798.0 -s 22.22.23.23 -j RETURN $IPTABLES -A Cid32134X1798.0 -s 22.22.25.50 -j RETURN $IPTABLES -A Cid32134X1798.0 -s 192.168.1.1 -j RETURN $IPTABLES -A Cid32134X1798.0 -s 192.168.2.1 -j RETURN $IPTABLES -A Cid32134X1798.0 -s 192.168.2.40 -j RETURN $IPTABLES -N Out_RULE_1_3 $IPTABLES -A Cid32134X1798.0 -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 Cid32134X1798.1 $IPTABLES -A FORWARD -o eth1 -j Cid32134X1798.1 $IPTABLES -A Cid32134X1798.1 -s 192.168.1.0/24 -j RETURN $IPTABLES -A Cid32134X1798.1 -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 # firewall2-2:Policy:4: error: Rule '4 (eth1,eth3)' shadows rule '5 (eth1,eth3)' below it # firewall2-2:Policy:4: error: Rule '4 (eth1,eth3)' shadows rule '6 (eth1,eth3)' below it $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 Cid32211X1798.0 $IPTABLES -A OUTPUT -j Cid32211X1798.0 $IPTABLES -A INPUT -j Cid32211X1798.0 $IPTABLES -A FORWARD -j Cid32211X1798.0 $IPTABLES -A Cid32211X1798.0 -p tcp -m tcp --tcp-flags SYN,RST,ACK SYN -j RETURN $IPTABLES -N RULE_7_3 $IPTABLES -A Cid32211X1798.0 -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)" # # firewall2-2:Policy:10: error: Rule '10 (global)' shadows rule '11 (global)' below it # firewall2-2:Policy:10: error: Rule '10 (global)' shadows rule '12 (global)' below it # firewall2-2:Policy:10: error: Rule '10 (global)' shadows rule '13 (global)' below it # firewall2-2:Policy:10: error: Rule '10 (global)' shadows rule '14 (global)' below it # firewall2-2:Policy:10: error: Rule '10 (global)' shadows rule '20 (global)' below it # firewall2-2: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)" # # using module iprange if # iptables version is >= 1.2.11 $IPTABLES -A OUTPUT -p udp -m udp -m iprange --dst-range 192.168.1.10-192.168.1.100 --dport 161 -m state --state NEW -j ACCEPT $IPTABLES -A FORWARD -p udp -m udp -m iprange --dst-range 192.168.1.10-192.168.1.100 --dport 161 -m state --state NEW -j ACCEPT # # Rule 12 (global) # echo "Rule 12 (global)" # # using module iprange if # iptables version is >= 1.2.11 $IPTABLES -A INPUT -p udp -m udp -m iprange --src-range 192.168.1.10-192.168.1.100 --dport 161 -m state --state NEW -j ACCEPT $IPTABLES -A FORWARD -p udp -m udp -m iprange --src-range 192.168.1.10-192.168.1.100 --dport 161 -m state --state NEW -j ACCEPT # # Rule 13 (global) # echo "Rule 13 (global)" # # using module iprange if # iptables version is >= 1.2.11 $IPTABLES -A FORWARD -p udp -m udp -m iprange --src-range 222.222.222.10-222.222.222.100 --dst-range 192.168.1.10-192.168.1.100 --dport 161 -m state --state NEW -j ACCEPT # # Rule 14 (global) # echo "Rule 14 (global)" # # using module iprange if # iptables version is >= 1.2.11 $IPTABLES -A FORWARD -p udp -m udp -m iprange --src-range 192.168.1.10-192.168.1.100 --dst-range 222.222.222.10-222.222.222.100 --dport 161 -m state --state NEW -j ACCEPT # # Rule 15 (global) # echo "Rule 15 (global)" # # using module iprange if # iptables version is >= 1.2.11 $IPTABLES -N Cid94453X70161.0 $IPTABLES -A OUTPUT -p udp -m udp --dport 161 -m state --state NEW -j Cid94453X70161.0 $IPTABLES -A INPUT -p udp -m udp --dport 161 -m state --state NEW -j Cid94453X70161.0 $IPTABLES -A FORWARD -p udp -m udp --dport 161 -m state --state NEW -j Cid94453X70161.0 $IPTABLES -A Cid94453X70161.0 -m iprange --dst-range 192.168.1.10-192.168.1.100 -j RETURN $IPTABLES -A Cid94453X70161.0 -j ACCEPT # # Rule 16 (global) # echo "Rule 16 (global)" # # using module iprange if # iptables version is >= 1.2.11 $IPTABLES -N Cid94436X70161.0 $IPTABLES -A OUTPUT -p udp -m udp --dport 161 -m state --state NEW -j Cid94436X70161.0 $IPTABLES -A INPUT -p udp -m udp --dport 161 -m state --state NEW -j Cid94436X70161.0 $IPTABLES -A FORWARD -p udp -m udp --dport 161 -m state --state NEW -j Cid94436X70161.0 $IPTABLES -A Cid94436X70161.0 -m iprange --src-range 192.168.1.10-192.168.1.100 -j RETURN $IPTABLES -A Cid94436X70161.0 -j ACCEPT # # Rule 17 (global) # echo "Rule 17 (global)" # # using module iprange if # iptables version is >= 1.2.11 $IPTABLES -N Cid94418X70161.0 $IPTABLES -A INPUT -p udp -m udp --dport 161 -m state --state NEW -j Cid94418X70161.0 $IPTABLES -A Cid94418X70161.0 -d 192.168.1.0 -j RETURN $IPTABLES -A Cid94418X70161.0 -j ACCEPT $IPTABLES -N Cid94418X70161.1 $IPTABLES -A OUTPUT -p udp -m udp --dport 161 -m state --state NEW -j Cid94418X70161.1 $IPTABLES -A FORWARD -p udp -m udp --dport 161 -m state --state NEW -j Cid94418X70161.1 $IPTABLES -A Cid94418X70161.1 -m iprange --dst-range 192.168.1.10-192.168.1.100 -j RETURN $IPTABLES -A Cid94418X70161.1 -j ACCEPT # # Rule 18 (global) # echo "Rule 18 (global)" # # using module iprange if # iptables version is >= 1.2.11 $IPTABLES -N Cid94400X70161.0 $IPTABLES -A OUTPUT -p udp -m udp --dport 161 -m state --state NEW -j Cid94400X70161.0 $IPTABLES -A Cid94400X70161.0 -s 192.168.1.0 -j RETURN $IPTABLES -A Cid94400X70161.0 -j ACCEPT $IPTABLES -N Cid94400X70161.1 $IPTABLES -A INPUT -p udp -m udp --dport 161 -m state --state NEW -j Cid94400X70161.1 $IPTABLES -A FORWARD -p udp -m udp --dport 161 -m state --state NEW -j Cid94400X70161.1 $IPTABLES -A Cid94400X70161.1 -m iprange --src-range 192.168.1.10-192.168.1.100 -j RETURN $IPTABLES -A Cid94400X70161.1 -j ACCEPT # # Rule 19 (global) # echo "Rule 19 (global)" # # using module iprange if # iptables version is >= 1.2.11 # also test for bug #2526173 $IPTABLES -N RULE_19 $IPTABLES -A INPUT -s 0.0.0.0 -j RULE_19 $IPTABLES -A FORWARD -s 0.0.0.0 -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 # # Rule 20 (global) # echo "Rule 20 (global)" # # using module iprange if # iptables version is >= 1.2.11 $IPTABLES -A INPUT -p udp -m udp -m iprange --src-range 192.168.1.1-192.168.1.100 --dport 161 -m state --state NEW -j ACCEPT $IPTABLES -A OUTPUT -p udp -m udp -m iprange --src-range 192.168.1.1-192.168.1.100 --dport 161 -m state --state NEW -j ACCEPT # # Rule 21 (global) # echo "Rule 21 (global)" # $IPTABLES -N Cid32259X1798.0 $IPTABLES -A INPUT -p icmp -m icmp -s 192.168.2.0/24 --icmp-type any -m state --state NEW -j Cid32259X1798.0 $IPTABLES -N RULE_21 $IPTABLES -A Cid32259X1798.0 -d 192.168.2.1 -j RULE_21 $IPTABLES -A Cid32259X1798.0 -d 192.168.2.40 -j RULE_21 $IPTABLES -A RULE_21 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "RULE 21 - ACCEPT **" --ulog-qthreshold 1 $IPTABLES -A RULE_21 -j ACCEPT # # Rule 22 (global) # echo "Rule 22 (global)" # $IPTABLES -N Cid32271X1798.0 $IPTABLES -A FORWARD -d 211.11.11.11 -m state --state NEW -j Cid32271X1798.0 $IPTABLES -A Cid32271X1798.0 -s 192.168.1.10 -j ACCEPT $IPTABLES -A Cid32271X1798.0 -s 192.168.1.20 -j ACCEPT # # Rule 23 (global) # echo "Rule 23 (global)" # $IPTABLES -N Cid32284X1798.0 $IPTABLES -A FORWARD -s 211.11.11.11 -m state --state NEW -j Cid32284X1798.0 $IPTABLES -A Cid32284X1798.0 -d 192.168.1.10 -j ACCEPT $IPTABLES -A Cid32284X1798.0 -d 192.168.1.20 -j ACCEPT # # Rule 24 (global) # echo "Rule 24 (global)" # $IPTABLES -N Cid32297X1798.0 $IPTABLES -A OUTPUT -p tcp -m tcp -j Cid32297X1798.0 $IPTABLES -A INPUT -p tcp -m tcp -j Cid32297X1798.0 $IPTABLES -A FORWARD -p tcp -m tcp -j Cid32297X1798.0 $IPTABLES -A Cid32297X1798.0 -s 192.168.1.0/24 -j RETURN $IPTABLES -A Cid32297X1798.0 -s 192.168.2.0/24 -j RETURN $IPTABLES -A Cid32297X1798.0 -p tcp -m tcp -j REJECT --reject-with tcp-reset $IPTABLES -N Cid32297X1798.1 $IPTABLES -A OUTPUT -j Cid32297X1798.1 $IPTABLES -A INPUT -j Cid32297X1798.1 $IPTABLES -A FORWARD -j Cid32297X1798.1 $IPTABLES -A Cid32297X1798.1 -s 192.168.1.0/24 -j RETURN $IPTABLES -A Cid32297X1798.1 -s 192.168.2.0/24 -j RETURN $IPTABLES -A Cid32297X1798.1 -j REJECT --reject-with icmp-net-unreachable # # Rule 25 (global) # echo "Rule 25 (global)" # # firewall2-2:Policy:25: error: Rule '25 (global)' shadows rule '26 (global)' below it $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 26 (global) # echo "Rule 26 (global)" # $IPTABLES -N RULE_26 $IPTABLES -A INPUT -s 192.168.1.0/24 -j RULE_26 $IPTABLES -A OUTPUT -s 192.168.1.0/24 -j RULE_26 $IPTABLES -A FORWARD -s 192.168.1.0/24 -j RULE_26 $IPTABLES -A RULE_26 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "RULE 26 - DENY **" --ulog-qthreshold 1 $IPTABLES -A RULE_26 -j DROP # # Rule 27 (global) # echo "Rule 27 (global)" # # host-fw2 has the same address as # one of the firewall's interfaces $IPTABLES -N RULE_27 $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_27 $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_27 $IPTABLES -A RULE_27 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "RULE 27 - ACCEPT **" --ulog-qthreshold 1 $IPTABLES -A RULE_27 -j ACCEPT # # Rule 28 (global) # echo "Rule 28 (global)" # $IPTABLES -N Cid32347X1798.0 $IPTABLES -A OUTPUT -p tcp -m tcp --dport 21 -m state --state NEW -j Cid32347X1798.0 $IPTABLES -N RULE_28 $IPTABLES -A Cid32347X1798.0 -d 22.22.22.22 -j RULE_28 $IPTABLES -A Cid32347X1798.0 -d 22.22.23.23 -j RULE_28 $IPTABLES -A Cid32347X1798.0 -d 22.22.25.50 -j RULE_28 $IPTABLES -A Cid32347X1798.0 -d 192.168.1.1 -j RULE_28 $IPTABLES -A Cid32347X1798.0 -d 192.168.2.1 -j RULE_28 $IPTABLES -A Cid32347X1798.0 -d 192.168.2.40 -j RULE_28 $IPTABLES -N Cid32347X1798.1 $IPTABLES -A INPUT -p tcp -m tcp --dport 21 -m state --state NEW -j Cid32347X1798.1 $IPTABLES -A Cid32347X1798.1 -d 22.22.22.22 -j RULE_28 $IPTABLES -A Cid32347X1798.1 -d 22.22.23.23 -j RULE_28 $IPTABLES -A Cid32347X1798.1 -d 22.22.25.50 -j RULE_28 $IPTABLES -A Cid32347X1798.1 -d 192.168.1.1 -j RULE_28 $IPTABLES -A Cid32347X1798.1 -d 192.168.2.1 -j RULE_28 $IPTABLES -A Cid32347X1798.1 -d 192.168.2.40 -j RULE_28 $IPTABLES -A RULE_28 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "RULE 28 - ACCEPT **" --ulog-qthreshold 1 $IPTABLES -A RULE_28 -j ACCEPT # # Rule 29 (global) # echo "Rule 29 (global)" # # 'catch all' rule $IPTABLES -N RULE_29 $IPTABLES -A OUTPUT -j RULE_29 $IPTABLES -A INPUT -j RULE_29 $IPTABLES -A FORWARD -j RULE_29 $IPTABLES -A RULE_29 -m limit --limit 5/second -j ULOG --ulog-nlgroup 1 --ulog-prefix "RULE 29 - DENY **" --ulog-qthreshold 1 $IPTABLES -A RULE_29 -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 "$cmd" in start) log "Activating firewall script generated Sat May 14 15:40:04 2011 by vadim" check_tools check_run_time_address_table_files load_modules "nat " configure_interfaces verify_interfaces reset_all prolog_commands script_body ip_forward epilog_commands RETVAL=$? ;; 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