mirror of
https://github.com/fwbuilder/fwbuilder
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f366e2dc66
3178186 "Add ND/NS allow rules for the FORWARD chain". Rules that are added automatically to ipv6 Linux firewall to permit neighbor discovery packets should be also added to the FORWARD chain if the firewall is a bridge. see #2323
734 lines
19 KiB
Bash
Executable File
734 lines
19 KiB
Bash
Executable File
#!/bin/sh
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#
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# This is automatically generated file. DO NOT MODIFY !
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#
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# Firewall Builder fwb_ipt v4.2.0.3523
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#
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# Generated Sun Apr 10 17:51:51 2011 PDT by vadim
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#
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# files: * firewall20.fw /etc/fw/firewall20.fw
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#
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# Compiled for iptables (any version)
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#
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# testing firewall_is_part_of_any_and_networks
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# also testing SNAT and DNAT rules when external interface
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# has dynamic address
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# dynamic interface ppp0 has an address object attached to it
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# (interface used to be static and had an address, then got
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# converted to dynamic but address object is still there). Compiler
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# should ignore this address object and issue a warning.
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# firewall20::: error: Dynamic interface ppp* should not have an IP address object attached to it. This IP address object will be ignored.
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# firewall20::: warning: Can not add virtual address for object address
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# firewall20::: warning: Can not add virtual address for object address
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FWBDEBUG=""
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PATH="/sbin:/usr/sbin:/bin:/usr/bin:${PATH}"
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export PATH
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LSMOD="/sbin/lsmod"
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MODPROBE="/sbin/modprobe"
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IPTABLES="/sbin/iptables"
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IP6TABLES="/sbin/ip6tables"
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IPTABLES_RESTORE="/sbin/iptables-restore"
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IP6TABLES_RESTORE="/sbin/ip6tables-restore"
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IP="/sbin/ip"
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IFCONFIG="/sbin/ifconfig"
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VCONFIG="/sbin/vconfig"
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BRCTL="/sbin/brctl"
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IFENSLAVE="/sbin/ifenslave"
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IPSET="/usr/sbin/ipset"
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LOGGER="/usr/bin/logger"
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log() {
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echo "$1"
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command -v "$LOGGER" >/dev/null 2>&1 && $LOGGER -p info "$1"
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}
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getInterfaceVarName() {
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echo $1 | sed 's/\./_/'
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}
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getaddr_internal() {
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dev=$1
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name=$2
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af=$3
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L=$($IP $af addr show dev $dev | sed -n '/inet/{s!.*inet6* !!;s!/.*!!p}' | sed 's/peer.*//')
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test -z "$L" && {
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eval "$name=''"
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return
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}
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eval "${name}_list=\"$L\""
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}
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getaddr() {
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getaddr_internal $1 $2 "-4"
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}
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getaddr6() {
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getaddr_internal $1 $2 "-6"
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}
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# function getinterfaces is used to process wildcard interfaces
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getinterfaces() {
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NAME=$1
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$IP link show | grep ": $NAME" | while read L; do
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OIFS=$IFS
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IFS=" :"
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set $L
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IFS=$OIFS
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echo $2
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done
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}
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diff_intf() {
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func=$1
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list1=$2
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list2=$3
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cmd=$4
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for intf in $list1
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do
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echo $list2 | grep -q $intf || {
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# $vlan is absent in list 2
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$func $intf $cmd
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}
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done
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}
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find_program() {
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PGM=$1
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command -v $PGM >/dev/null 2>&1 || {
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echo "$PGM not found"
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exit 1
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}
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}
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check_tools() {
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find_program $IPTABLES
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find_program $IP
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}
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reset_iptables_v4() {
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$IPTABLES -P OUTPUT DROP
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$IPTABLES -P INPUT DROP
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$IPTABLES -P FORWARD DROP
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cat /proc/net/ip_tables_names | while read table; do
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$IPTABLES -t $table -L -n | while read c chain rest; do
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if test "X$c" = "XChain" ; then
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$IPTABLES -t $table -F $chain
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fi
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done
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$IPTABLES -t $table -X
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done
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}
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reset_iptables_v6() {
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$IP6TABLES -P OUTPUT DROP
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$IP6TABLES -P INPUT DROP
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$IP6TABLES -P FORWARD DROP
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cat /proc/net/ip6_tables_names | while read table; do
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$IP6TABLES -t $table -L -n | while read c chain rest; do
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if test "X$c" = "XChain" ; then
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$IP6TABLES -t $table -F $chain
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fi
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done
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$IP6TABLES -t $table -X
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done
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}
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P2P_INTERFACE_WARNING=""
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missing_address() {
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address=$1
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cmd=$2
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oldIFS=$IFS
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IFS="@"
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set $address
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addr=$1
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interface=$2
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IFS=$oldIFS
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$IP addr show dev $interface | grep -q POINTOPOINT && {
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test -z "$P2P_INTERFACE_WARNING" && echo "Warning: Can not update address of interface $interface. fwbuilder can not manage addresses of point-to-point interfaces yet"
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P2P_INTERFACE_WARNING="yes"
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return
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}
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test "$cmd" = "add" && {
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echo "# Adding ip address: $interface $addr"
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echo $addr | grep -q ':' && {
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$FWBDEBUG $IP addr $cmd $addr dev $interface
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} || {
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$FWBDEBUG $IP addr $cmd $addr broadcast + dev $interface
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}
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}
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test "$cmd" = "del" && {
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echo "# Removing ip address: $interface $addr"
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$FWBDEBUG $IP addr $cmd $addr dev $interface || exit 1
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}
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$FWBDEBUG $IP link set $interface up
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}
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list_addresses_by_scope() {
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interface=$1
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scope=$2
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ignore_list=$3
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$IP addr ls dev $interface | \
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awk -v IGNORED="$ignore_list" -v SCOPE="$scope" \
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'BEGIN {
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split(IGNORED,ignored_arr);
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for (a in ignored_arr) {ignored_dict[ignored_arr[a]]=1;}
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}
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(/inet |inet6 / && $0 ~ SCOPE && !($2 in ignored_dict)) {print $2;}' | \
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while read addr; do
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echo "${addr}@$interface"
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done | sort
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}
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update_addresses_of_interface() {
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ignore_list=$2
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set $1
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interface=$1
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shift
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FWB_ADDRS=$(
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for addr in $*; do
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echo "${addr}@$interface"
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done | sort
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)
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CURRENT_ADDRS_ALL_SCOPES=""
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CURRENT_ADDRS_GLOBAL_SCOPE=""
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$IP link show dev $interface >/dev/null 2>&1 && {
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CURRENT_ADDRS_ALL_SCOPES=$(list_addresses_by_scope $interface 'scope .*' "$ignore_list")
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CURRENT_ADDRS_GLOBAL_SCOPE=$(list_addresses_by_scope $interface 'scope global' "$ignore_list")
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} || {
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echo "# Interface $interface does not exist"
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# Stop the script if we are not in test mode
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test -z "$FWBDEBUG" && exit 1
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}
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diff_intf missing_address "$FWB_ADDRS" "$CURRENT_ADDRS_ALL_SCOPES" add
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diff_intf missing_address "$CURRENT_ADDRS_GLOBAL_SCOPE" "$FWB_ADDRS" del
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}
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clear_addresses_except_known_interfaces() {
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$IP link show | sed 's/://g' | awk -v IGNORED="$*" \
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'BEGIN {
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split(IGNORED,ignored_arr);
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for (a in ignored_arr) {ignored_dict[ignored_arr[a]]=1;}
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}
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(/state/ && !($2 in ignored_dict)) {print $2;}' | \
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while read intf; do
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echo "# Removing addresses not configured in fwbuilder from interface $intf"
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$FWBDEBUG $IP addr flush dev $intf scope global
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$FWBDEBUG $IP link set $intf down
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done
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}
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check_file() {
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test -r "$2" || {
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echo "Can not find file $2 referenced by address table object $1"
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exit 1
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}
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}
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check_run_time_address_table_files() {
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:
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}
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load_modules() {
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:
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}
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verify_interfaces() {
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:
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echo "Verifying interfaces: eth0 eth2"
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for i in eth0 eth2 ; do
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$IP link show "$i" > /dev/null 2>&1 || {
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log "Interface $i does not exist"
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exit 1
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}
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done
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}
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prolog_commands() {
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echo "Running prolog script"
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}
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epilog_commands() {
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echo "Running epilog script"
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}
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run_epilog_and_exit() {
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epilog_commands
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exit $1
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}
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configure_interfaces() {
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:
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# Configure interfaces
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update_addresses_of_interface "eth0 192.168.1.1/24" ""
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update_addresses_of_interface "eth2 192.168.2.1/24" ""
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}
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script_body() {
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echo 30 > /proc/sys/net/ipv4/tcp_fin_timeout
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echo 1800 > /proc/sys/net/ipv4/tcp_keepalive_intvl
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# ================ IPv4
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# ================ Table 'nat', rule set NAT
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#
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# Rule 0 (NAT)
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#
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echo "Rule 0 (NAT)"
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#
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$IPTABLES -t nat -A POSTROUTING -o ppp+ -s 192.168.1.0/24 -j MASQUERADE
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$IPTABLES -t nat -A POSTROUTING -o eth2 -s 192.168.1.0/24 -j SNAT --to-source 192.168.2.1
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#
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# Rule 1 (NAT)
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#
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echo "Rule 1 (NAT)"
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#
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$IPTABLES -t nat -A POSTROUTING -o eth+ -s 192.168.1.0/24 -j SNAT --to-source 22.22.22.23
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$IPTABLES -t nat -A POSTROUTING -o ppp+ -s 192.168.1.0/24 -j SNAT --to-source 22.22.22.23
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#
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# Rule 2 (NAT)
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#
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echo "Rule 2 (NAT)"
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#
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$IPTABLES -t nat -A POSTROUTING -o ppp+ -s 192.168.1.0/24 -j MASQUERADE
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#
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# Rule 3 (NAT)
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#
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echo "Rule 3 (NAT)"
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#
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$IPTABLES -t nat -A POSTROUTING -o ppp+ -s 192.168.1.0/24 -j MASQUERADE --random
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#
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# Rule 4 (NAT)
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#
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echo "Rule 4 (NAT)"
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#
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getinterfaces ppp | while read I; do
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ivar=$(getInterfaceVarName $I)
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getaddr $I $ivar
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cmd="$"${ivar}_list
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eval "addr_list=$cmd"
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for addr in $addr_list
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do
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test -n "$addr" && $IPTABLES -t nat -A POSTROUTING -o ppp+ -s 192.168.1.0/24 -j SNAT --to-source $addr
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done
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done
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#
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# Rule 5 (NAT)
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#
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echo "Rule 5 (NAT)"
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#
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getinterfaces ppp | while read I; do
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ivar=$(getInterfaceVarName $I)
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getaddr $I $ivar
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cmd="$"${ivar}_list
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eval "addr_list=$cmd"
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for addr in $addr_list
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do
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test -n "$addr" && $IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d $addr --dport 22 -j DNAT --to-destination 192.168.1.10:22
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done
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done
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$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 192.168.1.1 --dport 22 -j DNAT --to-destination 192.168.1.10:22
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$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 192.168.2.1 --dport 22 -j DNAT --to-destination 192.168.1.10:22
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#
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# Rule 6 (NAT)
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#
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echo "Rule 6 (NAT)"
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#
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$IPTABLES -t nat -A PREROUTING -s 192.168.1.0/24 -d ! 200.200.200.200 -j DNAT --to-destination 192.168.2.10
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$IPTABLES -t nat -A POSTROUTING -o eth2 -s 192.168.1.0/24 -d 192.168.2.10 -j SNAT --to-source 192.168.2.1
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#
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# Rule 7 (NAT)
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#
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echo "Rule 7 (NAT)"
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#
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$IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d 192.168.2.1 --dport 22 -j DNAT --to-destination 192.168.1.10
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getinterfaces ppp | while read I; do
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ivar=$(getInterfaceVarName $I)
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getaddr $I $ivar
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cmd="$"${ivar}_list
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eval "addr_list=$cmd"
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for addr in $addr_list
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do
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test -n "$addr" && $IPTABLES -t nat -A PREROUTING -p tcp -m tcp -d $addr --dport 22 -j DNAT --to-destination 192.168.1.10
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done
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done
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# ================ Table 'filter', rule set Policy
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#
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# Rule 0 (ppp*)
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#
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echo "Rule 0 (ppp*)"
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#
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# ppp clients get addresses on 10.1.1.0
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$IPTABLES -N In_RULE_0
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$IPTABLES -A INPUT -i ppp+ -s ! 10.1.1.0/24 -j In_RULE_0
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$IPTABLES -A FORWARD -i ppp+ -s ! 10.1.1.0/24 -j In_RULE_0
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$IPTABLES -A In_RULE_0 -j LOG
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$IPTABLES -A In_RULE_0 -j DROP
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#
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# Rule 1 (ppp*)
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#
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echo "Rule 1 (ppp*)"
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#
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# ppp clients can not connect to the firewall
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$IPTABLES -N In_RULE_1
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getinterfaces ppp | while read I; do
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ivar=$(getInterfaceVarName $I)
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getaddr $I $ivar
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cmd="$"${ivar}_list
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eval "addr_list=$cmd"
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for addr in $addr_list
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do
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test -n "$addr" && $IPTABLES -A INPUT -i ppp+ -d $addr -j In_RULE_1
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done
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done
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$IPTABLES -A In_RULE_1 -j LOG
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$IPTABLES -A In_RULE_1 -j DROP
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#
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# Rule 2 (ppp*)
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#
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echo "Rule 2 (ppp*)"
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#
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$IPTABLES -N In_RULE_2
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$IPTABLES -A INPUT -i ppp+ -j In_RULE_2
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$IPTABLES -A In_RULE_2 -j LOG
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$IPTABLES -A In_RULE_2 -j DROP
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#
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# Rule 3 (ppp*)
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#
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echo "Rule 3 (ppp*)"
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#
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# ppp clients can only connect to the mail
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# server and web proxy on DMZ
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$IPTABLES -A FORWARD -i ppp+ -p tcp -m tcp -m multiport -d 192.168.2.10 --dports 25,3128 -m state --state NEW -j ACCEPT
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#
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# Rule 4 (ppp*)
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#
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echo "Rule 4 (ppp*)"
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#
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# ppp clients can not connect to
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# anything else on DMZ and
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# internal net
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$IPTABLES -N In_RULE_4
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$IPTABLES -A INPUT -i ppp+ -d 192.168.1.0/24 -j In_RULE_4
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$IPTABLES -A INPUT -i ppp+ -d 192.168.2.0/24 -j In_RULE_4
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$IPTABLES -A FORWARD -i ppp+ -d 192.168.1.0/24 -j In_RULE_4
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$IPTABLES -A FORWARD -i ppp+ -d 192.168.2.0/24 -j In_RULE_4
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$IPTABLES -A In_RULE_4 -j LOG
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$IPTABLES -A In_RULE_4 -j DROP
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#
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# Rule 5 (ppp*)
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#
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echo "Rule 5 (ppp*)"
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#
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$IPTABLES -A INPUT -i ppp+ -s ! 33.33.33.0/24 -m state --state NEW -j ACCEPT
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$IPTABLES -A FORWARD -i ppp+ -s ! 33.33.33.0/24 -m state --state NEW -j ACCEPT
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#
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# Rule 6 (eth2)
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#
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echo "Rule 6 (eth2)"
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#
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$IPTABLES -N In_RULE_6
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$IPTABLES -A INPUT -i eth2 -s ! 192.168.2.0/24 -j In_RULE_6
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$IPTABLES -A FORWARD -i eth2 -s ! 192.168.2.0/24 -j In_RULE_6
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$IPTABLES -A In_RULE_6 -j LOG
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$IPTABLES -A In_RULE_6 -j DROP
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#
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# Rule 7 (global)
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#
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echo "Rule 7 (global)"
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#
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# hostF has the same IP address as firewal.
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$IPTABLES -N RULE_7
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$IPTABLES -A OUTPUT -p icmp -m icmp -d 192.168.1.1 --icmp-type 8/0 -m state --state NEW -j RULE_7
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$IPTABLES -A INPUT -p icmp -m icmp -d 192.168.1.1 --icmp-type 8/0 -m state --state NEW -j RULE_7
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$IPTABLES -A RULE_7 -j LOG
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$IPTABLES -A RULE_7 -j ACCEPT
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#
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# Rule 8 (global)
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#
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echo "Rule 8 (global)"
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#
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$IPTABLES -N Cid3EFBC67F.0
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$IPTABLES -A OUTPUT -p tcp -m tcp --dport 22 -m state --state NEW -j Cid3EFBC67F.0
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getinterfaces ppp | while read I; do
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ivar=$(getInterfaceVarName $I)
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getaddr $I $ivar
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cmd="$"${ivar}_list
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eval "addr_list=$cmd"
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for addr in $addr_list
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do
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test -n "$addr" && $IPTABLES -A Cid3EFBC67F.0 -d $addr -j ACCEPT
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done
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done
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$IPTABLES -A Cid3EFBC67F.0 -d 192.168.1.1 -j ACCEPT
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$IPTABLES -A Cid3EFBC67F.0 -d 192.168.2.1 -j ACCEPT
|
|
$IPTABLES -A INPUT -p tcp -m tcp --dport 22 -m state --state NEW -j ACCEPT
|
|
#
|
|
# Rule 9 (global)
|
|
#
|
|
echo "Rule 9 (global)"
|
|
#
|
|
getinterfaces ppp | while read I; do
|
|
ivar=$(getInterfaceVarName $I)
|
|
getaddr $I $ivar
|
|
cmd="$"${ivar}_list
|
|
eval "addr_list=$cmd"
|
|
for addr in $addr_list
|
|
do
|
|
test -n "$addr" && $IPTABLES -A OUTPUT -p tcp -m tcp -d $addr --dport 22 -m state --state NEW -j ACCEPT
|
|
done
|
|
done
|
|
getinterfaces ppp | while read I; do
|
|
ivar=$(getInterfaceVarName $I)
|
|
getaddr $I $ivar
|
|
cmd="$"${ivar}_list
|
|
eval "addr_list=$cmd"
|
|
for addr in $addr_list
|
|
do
|
|
test -n "$addr" && $IPTABLES -A INPUT -p tcp -m tcp -d $addr --dport 22 -m state --state NEW -j ACCEPT
|
|
done
|
|
done
|
|
#
|
|
# Rule 10 (global)
|
|
#
|
|
echo "Rule 10 (global)"
|
|
#
|
|
$IPTABLES -A OUTPUT -p tcp -m tcp -d 192.168.1.1 --dport 22 -m state --state NEW -j ACCEPT
|
|
$IPTABLES -A INPUT -p tcp -m tcp -d 192.168.1.1 --dport 22 -m state --state NEW -j ACCEPT
|
|
#
|
|
# Rule 11 (global)
|
|
#
|
|
echo "Rule 11 (global)"
|
|
#
|
|
$IPTABLES -A OUTPUT -p tcp -m tcp -m multiport -d 192.168.1.1 --dports 22,23 -m state --state NEW -j ACCEPT
|
|
$IPTABLES -A INPUT -p tcp -m tcp -m multiport -d 192.168.1.1 --dports 22,23 -m state --state NEW -j ACCEPT
|
|
#
|
|
# Rule 12 (global)
|
|
#
|
|
echo "Rule 12 (global)"
|
|
#
|
|
$IPTABLES -N Cid3EFBC6A8.0
|
|
$IPTABLES -A OUTPUT -p tcp -m tcp -m multiport --dports 22,23 -m state --state NEW -j Cid3EFBC6A8.0
|
|
$IPTABLES -A Cid3EFBC6A8.0 -d 192.168.1.1 -j ACCEPT
|
|
$IPTABLES -A Cid3EFBC6A8.0 -d 192.168.2.1 -j ACCEPT
|
|
$IPTABLES -N Cid3EFBC6A8.1
|
|
$IPTABLES -A INPUT -p tcp -m tcp -m multiport --dports 22,23 -m state --state NEW -j Cid3EFBC6A8.1
|
|
$IPTABLES -A Cid3EFBC6A8.1 -d 192.168.1.1 -j ACCEPT
|
|
$IPTABLES -A Cid3EFBC6A8.1 -d 192.168.2.1 -j ACCEPT
|
|
#
|
|
# Rule 13 (global)
|
|
#
|
|
echo "Rule 13 (global)"
|
|
#
|
|
$IPTABLES -N Cid3EFBC6B3.0
|
|
$IPTABLES -A OUTPUT -p tcp -m tcp -m multiport --dports 22,23 -m state --state NEW -j Cid3EFBC6B3.0
|
|
$IPTABLES -N RULE_13
|
|
$IPTABLES -A Cid3EFBC6B3.0 -d 192.168.1.1 -j RULE_13
|
|
$IPTABLES -A Cid3EFBC6B3.0 -d 192.168.2.1 -j RULE_13
|
|
$IPTABLES -N Cid3EFBC6B3.1
|
|
$IPTABLES -A INPUT -p tcp -m tcp -m multiport --dports 22,23 -m state --state NEW -j Cid3EFBC6B3.1
|
|
$IPTABLES -A Cid3EFBC6B3.1 -d 192.168.1.1 -j RULE_13
|
|
$IPTABLES -A Cid3EFBC6B3.1 -d 192.168.2.1 -j RULE_13
|
|
$IPTABLES -A RULE_13 -j LOG
|
|
$IPTABLES -A RULE_13 -j ACCEPT
|
|
#
|
|
# Rule 14 (global)
|
|
#
|
|
echo "Rule 14 (global)"
|
|
#
|
|
# firewall is part of Any, so compiler should
|
|
# generate code in both FORWARD and
|
|
# OUTPUT chains
|
|
$IPTABLES -A OUTPUT -d 200.200.200.200 -m state --state NEW -j ACCEPT
|
|
$IPTABLES -A FORWARD -d 200.200.200.200 -m state --state NEW -j ACCEPT
|
|
#
|
|
# Rule 15 (global)
|
|
#
|
|
echo "Rule 15 (global)"
|
|
#
|
|
# firewall is part of Any, compiler should
|
|
# generate code for both FORWARD and
|
|
# INPUT chains
|
|
$IPTABLES -A INPUT -s 200.200.200.200 -m state --state NEW -j ACCEPT
|
|
$IPTABLES -A FORWARD -s 200.200.200.200 -m state --state NEW -j ACCEPT
|
|
#
|
|
# Rule 16 (global)
|
|
#
|
|
echo "Rule 16 (global)"
|
|
#
|
|
# because firewall has interface on network
|
|
# internal_net, compiler should generate code
|
|
# for both FORWARD and INPUT chains
|
|
$IPTABLES -A INPUT -s 192.168.1.10 -d 192.168.1.0/24 -m state --state NEW -j ACCEPT
|
|
$IPTABLES -A FORWARD -s 192.168.1.10 -d 192.168.1.0/24 -m state --state NEW -j ACCEPT
|
|
#
|
|
# Rule 17 (global)
|
|
#
|
|
echo "Rule 17 (global)"
|
|
#
|
|
$IPTABLES -N Cid3EFBC6DC.0
|
|
$IPTABLES -A OUTPUT -d 200.200.200.200 -m state --state NEW -j Cid3EFBC6DC.0
|
|
$IPTABLES -A Cid3EFBC6DC.0 -s 192.168.1.0/24 -j ACCEPT
|
|
$IPTABLES -A Cid3EFBC6DC.0 -s 192.168.2.0/24 -j ACCEPT
|
|
$IPTABLES -N Cid3EFBC6DC.1
|
|
$IPTABLES -A FORWARD -d 200.200.200.200 -m state --state NEW -j Cid3EFBC6DC.1
|
|
$IPTABLES -A Cid3EFBC6DC.1 -s 192.168.1.0/24 -j ACCEPT
|
|
$IPTABLES -A Cid3EFBC6DC.1 -s 192.168.2.0/24 -j ACCEPT
|
|
#
|
|
# Rule 19 (global)
|
|
#
|
|
echo "Rule 19 (global)"
|
|
#
|
|
# Automatically generated '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 -j LOG
|
|
$IPTABLES -A RULE_19 -j DROP
|
|
}
|
|
|
|
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 "$cmd" in
|
|
start)
|
|
log "Activating firewall script generated Sun Apr 10 17:51:51 2011 by vadim"
|
|
check_tools
|
|
prolog_commands
|
|
check_run_time_address_table_files
|
|
|
|
load_modules "nat "
|
|
configure_interfaces
|
|
verify_interfaces
|
|
|
|
reset_all
|
|
|
|
script_body
|
|
ip_forward
|
|
epilog_commands
|
|
RETVAL=$?
|
|
;;
|
|
|
|
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 |