diff --git a/init.d/openwrt/functions b/init.d/openwrt/functions
index d3f46e2..e20ad69 100644
--- a/init.d/openwrt/functions
+++ b/init.d/openwrt/functions
@@ -1,130 +1,60 @@
-# init script functions library for desktop linux systems
+. /lib/functions/network.sh
 
 [ -n "$ZAPRET_BASE" ] || ZAPRET_BASE=/opt/zapret
-# SHOULD EDIT config
 . "$ZAPRET_BASE/config"
 
-exists()
-{
-	which "$1" >/dev/null 2>/dev/null
-}
-existf()
-{
-	type "$1" >/dev/null 2>/dev/null
-}
-is_linked_to_busybox()
-{
-	local IFS F P
-	
-	IFS=:
-	for path in $PATH; do
-		F=$path/$1
-		P="$(readlink $F)"
-		if [ -z "$P" ] && [ -x $F ] && [ ! -L $F ]; then return 1; fi
-		[ "${P%busybox*}" != "$P" ] && return
-	done
-}
-user_exists()
-{
-	id -u $1 >/dev/null 2>/dev/null
-}
-useradd_compat()
-{
-	# $1 - username
-
-	# skip for readonly systems
-	[ -w "/etc" ] && {
-		if exists useradd ; then
-			useradd --no-create-home --system --shell /bin/false $1
-		elif is_linked_to_busybox adduser ; then
-			# busybox has special adduser syntax
-			adduser -S -H -D $1
-		elif exists adduser; then
-			adduser --no-create-home --system --disabled-login $1
-		fi
-	}
-	user_exists $1
-}
-prepare_user()
-{
-	# $WS_USER is required to prevent redirection of the traffic originating from TPWS itself
-	# otherwise infinite loop will occur
-	# also its good idea not to run tpws as root
-	user_exists $WS_USER || {
-		# fallback to daemon if we cant add WS_USER
-		useradd_compat $WS_USER || {
-			for user in daemon nobody; do
-				user_exists $user && {
-					WS_USER=$user
-					return 0
-				}
-			done
-			return 1
-		}
-	}
-}
-
-# this complex user selection allows to survive in any locked/readonly/minimalistic environment
-[ -n "$WS_USER" ] || WS_USER=tpws
-if prepare_user; then
- USEROPT="--user=$WS_USER"
-else
- WS_USER=1
- USEROPT="--uid $WS_USER:$WS_USER"
-fi
-
-PIDDIR=/var/run
-IPSET_CR="$ZAPRET_BASE/ipset/create_ipset.sh"
-
 [ -n "$QNUM" ] || QNUM=200
-[ -n "$NFQWS" ] || NFQWS="$ZAPRET_BASE/nfq/nfqws"
-NFQWS_OPT_BASE="$USEROPT --dpi-desync-fwmark=$DESYNC_MARK"
-NFQWS_OPT_DESYNC_HTTP="${NFQWS_OPT_DESYNC_HTTP:-$NFQWS_OPT_DESYNC}"
-NFQWS_OPT_DESYNC_HTTPS="${NFQWS_OPT_DESYNC_HTTPS:-$NFQWS_OPT_DESYNC}"
-NFQWS_OPT_DESYNC_HTTP6="${NFQWS_OPT_DESYNC_HTTP6:-$NFQWS_OPT_DESYNC_HTTP}"
-NFQWS_OPT_DESYNC_HTTPS6="${NFQWS_OPT_DESYNC_HTTPS6:-$NFQWS_OPT_DESYNC_HTTPS}"
-
 [ -n "$TPPORT" ] || TPPORT=988
-[ -n "$TPWS" ] || TPWS="$ZAPRET_BASE/tpws/tpws"
+[ -n "$WS_USER" ] || WS_USER=daemon
 TPWS_LOCALHOST4=127.0.0.127
-HOSTLIST="$ZAPRET_BASE/ipset/zapret-hosts.txt.gz"
-[ -f "$HOSTLIST" ] || HOSTLIST="$ZAPRET_BASE/ipset/zapret-hosts.txt"
-[ -f "$HOSTLIST" ] || HOSTLIST="$ZAPRET_BASE/ipset/zapret-hosts-user.txt"
-
-TPWS_OPT_BASE="$USEROPT"
-TPWS_OPT_BASE4="--bind-addr=$TPWS_LOCALHOST4"
-TPWS_OPT_BASE6="--bind-addr=::1"
-TPWS_WAIT="--bind-wait-ifup=30 --bind-wait-ip=30"
-TPWS_WAIT_SOCKS6="$TPWS_WAIT --bind-wait-ip-linklocal=30"
-# first wait for lan to ifup, then wait for bind-wait-ip-linklocal seconds for link local address and bind-wait-ip for any ipv6 as the worst case
-TPWS_OPT_BASE6_PRE="--bind-linklocal=prefer $TPWS_WAIT --bind-wait-ip-linklocal=3"
-
 [ -n "$DESYNC_MARK" ] || DESYNC_MARK=0x40000000
+[ -n "$OPENWRT_LAN" ] || OPENWRT_LAN=lan
 
 # max wait time for the link local ipv6 on the LAN interface
 LINKLOCAL_WAIT_SEC=5
 
-CUSTOM_SCRIPT="$ZAPRET_BASE/init.d/sysv/custom"
+IPSET_CR="$ZAPRET_BASE/ipset/create_ipset.sh"
+
+CUSTOM_SCRIPT="$ZAPRET_BASE/init.d/openwrt/custom"
 [ -f "$CUSTOM_SCRIPT" ] && . "$CUSTOM_SCRIPT"
 
 IPSET_EXCLUDE="-m set ! --match-set nozapret"
 IPSET_EXCLUDE6="-m set ! --match-set nozapret6"
 
+NFQWS_OPT_DESYNC_HTTP="${NFQWS_OPT_DESYNC_HTTP:-$NFQWS_OPT_DESYNC}"
+NFQWS_OPT_DESYNC_HTTPS="${NFQWS_OPT_DESYNC_HTTPS:-$NFQWS_OPT_DESYNC}"
+NFQWS_OPT_DESYNC_HTTP6="${NFQWS_OPT_DESYNC_HTTP6:-$NFQWS_OPT_DESYNC_HTTP}"
+NFQWS_OPT_DESYNC_HTTPS6="${NFQWS_OPT_DESYNC_HTTPS6:-$NFQWS_OPT_DESYNC_HTTPS}"
 
-on_off_function()
+exists()
 {
-	# $1 : function name on
-	# $2 : function name off
-	# $3 : 0 - off, 1 - on
-	local F="$1"
-	[ "$3" = "1" ] || F="$2"
-	shift
-	shift
-	shift
-	"$F" "$@"
+ which "$1" >/dev/null 2>/dev/null
+}
+existf()
+{
+ type "$1" >/dev/null 2>/dev/null
 }
 
 
+# can be multiple ipv6 outgoing interfaces
+# uplink from isp, tunnelbroker, vpn, ...
+# want them all. who knows what's the real one that blocks sites
+# dont want any manual configuration - want to do it automatically
+# standard network_find_wan[6] return only the first
+# we use low level function from network.sh to avoid this limitation
+# it can change theoretically and stop working
+
+network_find_wan_all()
+{
+ __network_ifstatus "$1" "" "[@.route[@.target='0.0.0.0' && !@.table]].interface" "" 10 2>/dev/null && return
+ network_find_wan $1
+}
+network_find_wan6_all()
+{
+ __network_ifstatus "$1" "" "[@.route[@.target='::' && !@.table]].interface" "" 10 2>/dev/null && return
+ network_find_wan6 $1
+}
+
 ipt()
 {
 	iptables -C "$@" >/dev/null 2>/dev/null || iptables -I "$@"
@@ -133,10 +63,6 @@ ipt_del()
 {
 	iptables -C "$@" >/dev/null 2>/dev/null && iptables -D "$@"
 }
-ipt_add_del()
-{
-	on_off_function ipt ipt_del "$@"
-}
 ipt6()
 {
 	ip6tables -C "$@" >/dev/null 2>/dev/null || ip6tables -I "$@"
@@ -145,10 +71,6 @@ ipt6_del()
 {
 	ip6tables -C "$@" >/dev/null 2>/dev/null && ip6tables -D "$@"
 }
-ipt6_add_del()
-{
-	on_off_function ipt6 ipt6_del "$@"
-}
 
 # there's no route_localnet for ipv6
 # the best we can is to route to link local of the incoming interface
@@ -158,355 +80,212 @@ ipt6_add_del()
 
 get_ipv6_linklocal()
 {
-	# $1 - interface name. if empty - any interface
-	local dev
-	[ -n "$1" ] && dev="dev $1"
-	ip addr show $dev | sed -e 's/^.*inet6 \([^ ]*\)\/[0-9]* scope link.*$/\1/;t;d' | head -n 1
+ # $1 - interface name. if empty - any interface
+ if exists ip ; then
+    local dev
+    [ -n "$1" ] && dev="dev $1"
+    ip addr show $dev | sed -e 's/^.*inet6 \([^ ]*\)\/[0-9]* scope link.*$/\1/;t;d' | head -n 1
+ else
+    ifconfig $1 | sed -re 's/^.*inet6 addr: ([^ ]*)\/[0-9]* Scope:Link.*$/\1/;t;d' | head -n 1
+ fi
 }
 get_ipv6_global()
 {
-	# $1 - interface name. if empty - any interface
-	local dev
-	[ -n "$1" ] && dev="dev $1"
-	ip addr show $dev | sed -e 's/^.*inet6 \([^ ]*\)\/[0-9]* scope global.*$/\1/;t;d' | head -n 1
+ # $1 - interface name. if empty - any interface
+ if exists ip ; then
+    local dev
+    [ -n "$1" ] && dev="dev $1"
+    ip addr show $dev | sed -e 's/^.*inet6 \([^ ]*\)\/[0-9]* scope global.*$/\1/;t;d' | head -n 1
+ else
+    ifconfig $1 | sed -re 's/^.*inet6 addr: ([^ ]*)\/[0-9]* Scope:Global.*$/\1/;t;d' | head -n 1
+ fi
 }
 
-iface_is_up()
-{	
-	# $1 - interface name
-	[ -f /sys/class/net/$1/operstate ] || return
-	local state
-	read state </sys/class/net/$1/operstate
-	[ "$state" != "down" ]
-}
-wait_ifup()
-{
-	# $1 - interface name
-	local ct=0
-	while
-		iface_is_up $1 && return
-		[ "$ct" -ge "$IFUP_WAIT_SEC" ] && break
-		echo waiting for ifup of $1 for another $(($IFUP_WAIT_SEC - $ct)) seconds ...
-		ct=$(($ct+1))
-		sleep 1
-	do :; done
-	false
-}
-
-
 dnat6_target()
 {
-	# $1 - lan network name
-	# $2 - var to store target ip6
-	# get target ip address for DNAT. prefer link locals
-	# tpws should be as inaccessible from outside as possible
-	# link local address can appear not immediately after ifup
-	# DNAT6_TARGET=- means attempt was made but address was not found (to avoid multiple re-attempts)
+ # $1 - lan network name
+ # $2 - var to store target ip6
+ # get target ip address for DNAT. prefer link locals
+ # tpws should be as inaccessible from outside as possible
+ # link local address can appear not immediately after ifup
+ # DNAT6_TARGET=- means attempt was made but address was not found (to avoid multiple re-attempts)
 
-	local DNAT6_TARGET DVAR=DNAT6_TARGET_$1
-	DVAR=$(echo $DVAR | sed 's/[^a-zA-Z0-9_]/_/g')
-	eval DNAT6_TARGET="\$$DVAR"
-	[ -n "$2" ] && eval $2=''
-	[ -n "$DNAT6_TARGET" ] || {
-		local ct=0
-		while
-			DNAT6_TARGET=$(get_ipv6_linklocal $1)
-			[ -n "$DNAT6_TARGET" ] && break
-			[ "$ct" -ge "$LINKLOCAL_WAIT_SEC" ] && break
-			echo $1: waiting for the link local for another $(($LINKLOCAL_WAIT_SEC - $ct)) seconds ...
-			ct=$(($ct+1))
-			sleep 1
-		do :; done
+ local DNAT6_TARGET DVAR=DNAT6_TARGET_$1
+ DVAR=$(echo $DVAR | sed 's/[^a-zA-Z0-9_]/_/g')
+ eval DNAT6_TARGET="\$$DVAR"
+ [ -n "$2" ] && eval $2=''
+ 
+ [ -n "$DNAT6_TARGET" ] || {
+    # no reason to query if its down
+    network_is_up $1 || return
 
-		[ -n "$DNAT6_TARGET" ] || {
-		    	echo $1: no link local. getting global
-			DNAT6_TARGET=$(get_ipv6_global $1)
-			[ -n "$DNAT6_TARGET" ] || {
-				echo $1: could not get any address
-				DNAT6_TARGET=-
-			}
-		}
-		eval $DVAR="$DNAT6_TARGET"
-	}
-	[ -n "$2" ] && eval $2="$DNAT6_TARGET"
-}
+    local DEVICE
+    network_get_device DEVICE $1
 
-prepare_tpws_fw4()
-{
-	# otherwise linux kernel will treat 127.0.0.0/8 as "martian" ip and refuse routing to it
-	# NOTE : kernels <3.6 do not have this feature. consider upgrading or change DNAT to REDIRECT and do not bind to 127.0.0.0/8
-	[ -n "$IFACE_LAN" ] && {
-		iptables -N input_rule_zapret 2>/dev/null
-		iptables -F input_rule_zapret
-		iptables -A input_rule_zapret -d $TPWS_LOCALHOST4 -j RETURN
-		iptables -A input_rule_zapret -d 127.0.0.0/8 -j DROP
-		for lan in $IFACE_LAN ; do
-			ipt INPUT -i $lan -j input_rule_zapret
-			sysctl -q -w net.ipv4.conf.$lan.route_localnet=1
-		done
-	}
-}
-unprepare_tpws_fw4()
-{
-	[ -n "$IFACE_LAN" ] && {
-		for lan in $IFACE_LAN ; do
-			ipt_del INPUT -i $lan -j input_rule_zapret
-			sysctl -q -w net.ipv4.conf.$lan.route_localnet=0
-		done
-		iptables -F input_rule_zapret 2>/dev/null
-		iptables -X input_rule_zapret 2>/dev/null
-	}
-}
-unprepare_tpws_fw()
-{
-	unprepare_tpws_fw4
-}
+    local ct=0
+    while 
+      DNAT6_TARGET=$(get_ipv6_linklocal $DEVICE)
+      [ -n "$DNAT6_TARGET" ] && break
+      [ "$ct" -ge "$LINKLOCAL_WAIT_SEC" ] && break
+      echo $DEVICE: waiting for the link local for another $(($LINKLOCAL_WAIT_SEC - $ct)) seconds ...
+      ct=$(($ct+1))
+      sleep 1
+    do :; done
 
-
-print_op()
-{
-	if [ "$1" = "1" ]; then
-		echo "Adding ip$4tables rule for $3 : $2"
-	else
-		echo "Deleting ip$4tables rule for $3 : $2"
-	fi
-}
-
-fw_tpws4()
-{
-	# $1 - 1 - add, 0 - del
-	# $2 - iptable filter for ipv4
-	# $3 - tpws port
-	[ "$DISABLE_IPV4" = "1" ] || {
-		[ "$1" = 1 ] && prepare_tpws_fw4
-		print_op $1 "$2" "tpws (port $3)"
-		for lan in $IFACE_LAN ; do
-			ipt_add_del $1 PREROUTING -t nat -i $lan -p tcp $2 $IPSET_EXCLUDE dst -j DNAT --to $TPWS_LOCALHOST4:$3
-	 	done
-		if [ -n "$IFACE_WAN" ]; then
-			for wan in $IFACE_WAN; do
-				ipt_add_del $1 OUTPUT -t nat -o $wan -m owner ! --uid-owner $WS_USER -p tcp $2 $IPSET_EXCLUDE dst -j DNAT --to $TPWS_LOCALHOST4:$3
-			done
-		else
-			ipt_add_del $1 OUTPUT -t nat -m owner ! --uid-owner $WS_USER -p tcp $2 $IPSET_EXCLUDE dst -j DNAT --to $TPWS_LOCALHOST4:$3
-		fi
-	}
-}
-fw_tpws6()
-{
-	# $1 - 1 - add, 0 - del
-	# $2 - iptable filter for ipv6
-	# $3 - tpws port
-	[ "$DISABLE_IPV6" = "1" ] || {
-		print_op $1 "$2" "tpws (port $3)" 6
-		local DNAT6
-		for lan in $IFACE_LAN ; do
-			dnat6_target $lan DNAT6
-			[ "$DNAT6" != "-" ] && ipt6_add_del $1 PREROUTING -t nat -i $lan -p tcp $2 $IPSET_EXCLUDE6 dst -j DNAT --to [$DNAT6]:$3
-	 	done
-		if [ -n "$IFACE_WAN" ]; then
-			for wan in $IFACE_WAN; do
-				ipt6_add_del $1 OUTPUT -t nat -o $wan -m owner ! --uid-owner $WS_USER -p tcp $2 $IPSET_EXCLUDE6 dst -j DNAT --to [::1]:$3
-			done
-		else
-			ipt6_add_del $1 OUTPUT -t nat -m owner ! --uid-owner $WS_USER -p tcp $2 $IPSET_EXCLUDE6 dst -j DNAT --to [::1]:$3
-		fi
-	}
-}
-fw_tpws()
-{
-	# $1 - 1 - add, 0 - del
-	# $2 - iptable filter for ipv4
-	# $3 - iptable filter for ipv6
-	# $4 - tpws port
-	fw_tpws4 $1 "$2" $4
-	fw_tpws6 $1 "$3" $4
+    [ -n "$DNAT6_TARGET" ] || {
+      echo $DEVICE: no link local. getting global
+      DNAT6_TARGET=$(get_ipv6_global $DEVICE)
+      [ -n "$DNAT6_TARGET" ] || {
+        echo $DEVICE: could not get any address
+        DNAT6_TARGET=-
+      }
+    }
+    eval $DVAR="$DNAT6_TARGET"
+ }
+ [ -n "$2" ] && eval $2="$DNAT6_TARGET"
 }
 
 
 fw_nfqws_pre4()
 {
-	# $1 - 1 - add, 0 - del
-	# $2 - iptable filter for ipv4
-	# $3 - queue number
-	[ "$DISABLE_IPV4" = "1" ] || {
-		print_op $1 "$2" "nfqws prerouting (qnum $3)"
-		if [ -n "$IFACE_WAN" ]; then
-			for wan in $IFACE_WAN; do
-				ipt_add_del $1 PREROUTING -t mangle -i $wan -p tcp $2 $IPSET_EXCLUDE src -j NFQUEUE --queue-num $3 --queue-bypass
-			done
-		else
-				ipt_add_del $1 PREROUTING -t mangle -p tcp $2 $IPSET_EXCLUDE src -j NFQUEUE --queue-num $3 --queue-bypass
-		fi
-	}
+ # $1 - filter ipv4
+ # $2 - queue number
+
+ local DEVICE wan_iface
+
+ [ "$DISABLE_IPV4" = "1" ] || {
+    network_find_wan_all wan_iface
+    for ext_iface in $wan_iface; do
+       network_get_device DEVICE $ext_iface
+       ipt PREROUTING -t mangle -i $DEVICE -p tcp $1 $IPSET_EXCLUDE src -j NFQUEUE --queue-num $2 --queue-bypass
+    done
+ }
 }
 fw_nfqws_pre6()
 {
-	# $1 - 1 - add, 0 - del
-	# $2 - iptable filter for ipv6
-	# $3 - queue number
-	[ "$DISABLE_IPV6" = "1" ] || {
-		print_op $1 "$2" "nfqws prerouting (qnum $3)" 6
-		if [ -n "$IFACE_WAN" ]; then
-			for wan in $IFACE_WAN; do
-				ipt6_add_del $1 PREROUTING -t mangle -i $wan -p tcp $2 $IPSET_EXCLUDE6 src -j NFQUEUE --queue-num $3 --queue-bypass
-			done
-		else
-			ipt6_add_del $1 PREROUTING -t mangle -p tcp $2 $IPSET_EXCLUDE6 src -j NFQUEUE --queue-num $3 --queue-bypass
-		fi
-	}
+ # $1 - filter ipv6
+ # $2 - queue number
+
+ local DEVICE wan_iface
+
+ [ "$DISABLE_IPV6" = "1" ] || {
+    network_find_wan6_all wan_iface
+    for ext_iface in $wan_iface; do
+       network_get_device DEVICE $ext_iface
+       ipt6 PREROUTING -t mangle -i $DEVICE -p tcp $1 $IPSET_EXCLUDE6 src -j NFQUEUE --queue-num $2 --queue-bypass
+    done
+ }
 }
 fw_nfqws_pre()
 {
-	# $1 - 1 - add, 0 - del
-	# $2 - iptable filter for ipv4
-	# $3 - iptable filter for ipv6
-	# $4 - queue number
-	fw_nfqws_pre4 $1 "$2" $4
-	fw_nfqws_pre6 $1 "$3" $4
+ # $1 - filter ipv4
+ # $2 - filter ipv6
+ # $3 - queue number
+
+ fw_nfqws_pre4 "$1" $3
+ fw_nfqws_pre6 "$2" $3
 }
 fw_nfqws_post4()
 {
-	# $1 - 1 - add, 0 - del
-	# $2 - iptable filter for ipv4
-	# $3 - queue number
-	[ "$DISABLE_IPV4" = "1" ] || {
-		print_op $1 "$2" "nfqws postrouting (qnum $3)"
-		if [ -n "$IFACE_WAN" ]; then
-			for wan in $IFACE_WAN; do
-				ipt_add_del $1 POSTROUTING -t mangle -o $wan -p tcp $2 $IPSET_EXCLUDE dst -j NFQUEUE --queue-num $3 --queue-bypass
-			done
-		else
-			ipt_add_del $1 POSTROUTING -t mangle -p tcp $2 $IPSET_EXCLUDE dst -j NFQUEUE --queue-num $3 --queue-bypass
-		fi
-	}
+ # $1 - filter ipv4
+ # $2 - queue number
+
+ local DEVICE wan_iface
+
+ [ "$DISABLE_IPV4" = "1" ] || {
+    network_find_wan_all wan_iface
+    for ext_iface in $wan_iface; do
+       network_get_device DEVICE $ext_iface
+       ipt POSTROUTING -t mangle -o $DEVICE -p tcp $1 $IPSET_EXCLUDE dst -j NFQUEUE --queue-num $2 --queue-bypass
+    done
+ }
 }
 fw_nfqws_post6()
 {
-	# $1 - 1 - add, 0 - del
-	# $2 - iptable filter for ipv6
-	# $3 - queue number
-	[ "$DISABLE_IPV6" = "1" ] || {
-		print_op $1 "$2" "nfqws postrouting (qnum $3)" 6
-		if [ -n "$IFACE_WAN" ]; then
-			for wan in $IFACE_WAN; do
-				ipt6_add_del $1 POSTROUTING -t mangle -o $wan -p tcp $2 $IPSET_EXCLUDE6 dst -j NFQUEUE --queue-num $3 --queue-bypass
-			done
-		else
-			ipt6_add_del $1 POSTROUTING -t mangle -p tcp $2 $IPSET_EXCLUDE6 dst -j NFQUEUE --queue-num $3 --queue-bypass
-		fi
-	}
+ # $1 - filter ipv6
+ # $2 - queue number
+
+ local DEVICE wan_iface
+
+ [ "$DISABLE_IPV6" = "1" ] || {
+    network_find_wan6_all wan_iface
+    for ext_iface in $wan_iface; do
+       network_get_device DEVICE $ext_iface
+       ipt6 POSTROUTING -t mangle -o $DEVICE -p tcp $1 $IPSET_EXCLUDE6 dst -j NFQUEUE --queue-num $2 --queue-bypass
+    done
+ }
 }
 fw_nfqws_post()
 {
-	# $1 - 1 - add, 0 - del
-	# $2 - iptable filter for ipv4
-	# $3 - iptable filter for ipv6
-	# $4 - queue number
-	fw_nfqws_post4 $1 "$2" $4
-	fw_nfqws_post6 $1 "$3" $4
+ # $1 - filter ipv4
+ # $2 - filter ipv6
+ # $3 - queue number
+
+ fw_nfqws_post4 "$1" $3
+ fw_nfqws_post6 "$2" $3
 }
 
 
-run_daemon()
+IPT_OWNER="-m owner ! --uid-owner $WS_USER"
+fw_tpws4()
 {
-	# $1 - daemon number : 1,2,3,...
-	# $2 - daemon
-	# $3 - daemon args
-	# use $PIDDIR/$DAEMONBASE$1.pid as pidfile
+ # $1 - filter ipv6
+ # $2 - tpws port
 
-	local DAEMONBASE=$(basename $2)
-	local PIDFILE=$PIDDIR/$DAEMONBASE$1.pid
-	echo "Starting daemon $1: $2 $3"
-	if exists start-stop-daemon ; then
-		start-stop-daemon -S -p "$PIDFILE" -m -b -x "$2" -- $3
-	else
-		if [ -f "$PIDFILE" ] && pgrep -F "$PIDFILE" "$DAEMONBASE" >/dev/null; then
-			echo already running
-		else
-			"$2" $3 >/dev/null 2>/dev/null &
-			PID=$!
-			if [ -n "$PID" ]; then
-				echo $PID >$PIDFILE
-			else
-				echo could not start daemon $1 : $2 $3
-				false
-			fi
-		fi
-	fi
+ local DEVICE wan_iface
+ 
+ [ "$DISABLE_IPV4" = "1" ] || {
+    network_find_wan_all wan_iface
+    for ext_iface in $wan_iface; do
+       network_get_device DEVICE $ext_iface
+       ipt OUTPUT -t nat -o $DEVICE $IPT_OWNER -p tcp $1 $IPSET_EXCLUDE dst -j DNAT --to $TPWS_LOCALHOST4:$2
+    done
+    
+    # allow localnet route only to special tpws IP
+    iptables -N input_rule_zapret 2>/dev/null
+    ipt input_rule_zapret -d 127.0.0.0/8 -j DROP
+    ipt input_rule_zapret -d $TPWS_LOCALHOST4 -j RETURN
+
+    for lan in $OPENWRT_LAN; do
+	network_get_device DEVICE $lan
+	[ -n "$DEVICE" ] || continue
+	ipt prerouting_rule -t nat -i $DEVICE -p tcp $1 $IPSET_EXCLUDE dst -j DNAT --to $TPWS_LOCALHOST4:$2
+	ipt input_rule -i $DEVICE -j input_rule_zapret
+	sysctl -qw net.ipv4.conf.$DEVICE.route_localnet=1
+    done
+ }
 }
-stop_daemon()
+fw_tpws6()
 {
-	# $1 - daemon number : 1,2,3,...
-	# $2 - daemon
-	# use $PIDDIR/$DAEMONBASE$1.pid as pidfile
-	local DAEMONBASE=$(basename $2)
-	local PIDFILE=$PIDDIR/$DAEMONBASE$1.pid
-	echo "Stopping daemon $1: $2"
-	if exists start-stop-daemon ; then
-		start-stop-daemon -K -p "$PIDFILE" -x "$2"
-	else
-		if [ -f "$PIDFILE" ]; then
-			read PID <"$PIDFILE"
-			kill $PID
-			rm -f "$PIDFILE"
-		else
-			echo no pidfile : $PIDFILE
-		fi
-	fi
+ # $1 - filter ipv6
+ # $2 - tpws port
+
+ local DEVICE wan_iface DNAT6
+ 
+ [ "$DISABLE_IPV6" = "1" ] || {
+    network_find_wan6_all wan_iface
+    for ext_iface in $wan_iface; do
+       network_get_device DEVICE $ext_iface
+       ipt6 OUTPUT -t nat -o $DEVICE $IPT_OWNER -p tcp $1 $IPSET_EXCLUDE6 dst -j DNAT --to [::1]:$2
+    done
+    for lan in $OPENWRT_LAN; do
+	network_get_device DEVICE $lan
+	[ -n "$DEVICE" ] || continue
+	dnat6_target $lan DNAT6
+	[ "$DNAT6" != '-' ] && ipt6 PREROUTING -t nat -i $DEVICE -p tcp $1 $IPSET_EXCLUDE6 dst -j DNAT --to [$DNAT6]:$2
+    done
+ }
 }
-do_daemon()
+fw_tpws()
 {
-	# $1 - 1 - run, 0 - stop
-	on_off_function run_daemon stop_daemon "$@"
+ # $1 - filter ipv4
+ # $2 - filter ipv6
+ # $3 - tpws port
+
+ fw_tpws4 "$1" $3
+ fw_tpws6 "$2" $3
 }
 
-
-do_tpws()
-{
-	# $1 : 1 - run, 0 - stop
-	# $2 : daemon number
-	# $3 : daemon args
-
-	[ "$DISABLE_IPV4" = "1" ] && [ "$DISABLE_IPV6" = "1" ] && return 0
-
-	local OPT="$TPWS_OPT_BASE"
-
-	[ "$DISABLE_IPV4" = "1" ] || OPT="$OPT $TPWS_OPT_BASE4"
-	[ "$DISABLE_IPV6" = "1" ] || {
-		OPT="$OPT $TPWS_OPT_BASE6"
-		for lan in $IFACE_LAN; do
-			OPT="$OPT --bind-iface6=$lan $TPWS_OPT_BASE6_PRE"
-		done
-	}
-
-	do_daemon $1 $2 "$TPWS" "$OPT $3"
-}
-do_tpws_socks()
-{
-	# $1 : 1 - run, 0 - stop
-	# $2 : daemon number
-	# $3 : daemon args
-
-	[ "$DISABLE_IPV4" = "1" ] && [ "$DISABLE_IPV6" = "1" ] && return 0
-
-	local opt="$TPWS_OPT_BASE --socks"
-
-	tpws_apply_socks_binds opt
-
-	do_daemon $1 $2 "$TPWS" "$opt $3"
-}
-
-do_nfqws()
-{
-	# $1 : 1 - run, 0 - stop
-	# $2 : daemon number
-	# $3 : daemon args
-
-	do_daemon $1 $2 "$NFQWS" "$NFQWS_OPT_BASE $3"
-}
-
-
 filter_apply_port_target()
 {
 	# $1 - var name of iptables filter
@@ -522,7 +301,6 @@ filter_apply_port_target()
 	fi
 	eval $1="\"\$$1 $f\""
 }
-
 filter_apply_ipset_target4()
 {
 	# $1 - var name of ipv4 iptables filter
@@ -544,11 +322,6 @@ filter_apply_ipset_target()
 	filter_apply_ipset_target4 $1
 	filter_apply_ipset_target6 $2
 }
-filter_apply_hostlist_target()
-{
-	# $1 - var name of tpws or nfqws params
-	[ "$MODE_FILTER" = "hostlist" ] && eval $1="\"\$$1 --hostlist=$HOSTLIST\""
-}
 
 get_nfqws_qnums()
 {
@@ -556,7 +329,7 @@ get_nfqws_qnums()
 	# $2 - var name for ipv4 https
 	# $3 - var name for ipv6 http
 	# $4 - var name for ipv6 https
-	local _qn _qns _qn6 _qns6
+	local _qn=x _qns=x _qn6=x _qns6=x
 
 	[ "$DISABLE_IPV4" = "1" ] || {
 		_qn=$QNUM
@@ -580,49 +353,99 @@ get_nfqws_qnums()
 		}
 		[ "$NFQWS_OPT_DESYNC_HTTPS6" = "$NFQWS_OPT_DESYNC_HTTP6" ] && _qns6=$_qn6;
 	}
-	[ "$MODE_HTTP" = 1 ] && {
-		eval $1=$_qn
-		eval $3=$_qn6
-	}
-	[ "$MODE_HTTPS" = 1 ] && {
-		eval $2=$_qns
-		eval $4=$_qns6
-	}
+	eval $1=$_qn
+	eval $2=$_qns
+	eval $3=$_qn6
+	eval $4=$_qns6
 }
 
-tpws_apply_socks_binds()
-{
-	local o
-
-	[ "$DISABLE_IPV4" = "1" ] || o="--bind-addr=127.0.0.1"
-	[ "$DISABLE_IPV6" = "1" ] || o="$o --bind-addr=::1"
-	
-	for lan in $IFACE_LAN; do
-	    [ "$DISABLE_IPV4" = "1" ] || o="$o --bind-iface4=$lan $TPWS_WAIT"
-	    [ "$DISABLE_IPV6" = "1" ] || o="$o --bind-iface6=$lan --bind-linklocal=unwanted $TPWS_WAIT_SOCKS6"
-	done
-	eval $1="\"\$$1 $o\""
-}
-
-
 create_ipset()
 {
-	echo "Creating ipset"
-	"$IPSET_CR" "$@"
+ echo "Creating ipset"
+ "$IPSET_CR" "$@"
 }
 
 
-
-zapret_do_firewall()
+is_flow_offload_avail()
 {
-	# $1 - 1 - add, 0 - del
+	# $1 = '' for ipv4, '6' for ipv6
+	grep -q FLOWOFFLOAD /proc/net/ip$1_tables_targets
+}
+list_nfqws_rules()
+{
+	# $1 = '' for ipv4, '6' for ipv6
+	ip$1tables -S POSTROUTING -t mangle | \
+		grep -E "NFQUEUE --queue-num $QNUM --queue-bypass|NFQUEUE --queue-num $(($QNUM+1)) --queue-bypass|NFQUEUE --queue-num $(($QNUM+2)) --queue-bypass|NFQUEUE --queue-num $(($QNUM+3)) --queue-bypass" | \
+		sed -re 's/^-A POSTROUTING (.*) -j NFQUEUE.*$/\1/' -e "s/-m mark ! --mark $DESYNC_MARK\/$DESYNC_MARK//"
+}
+reverse_nfqws_rule()
+{
+	sed -e 's/-o /-i /' -e 's/--dport /--sport /' -e 's/--dports /--sports /' -e 's/ dst$/ src/' -e 's/ dst / src /'
+}
+apply_flow_offloading_enable_rule()
+{
+	# $1 = '' for ipv4, '6' for ipv6
+	local i off='-j FLOWOFFLOAD'
+	[ "$FLOWOFFLOAD" = "hardware" ] && off="$off --hw"
+	i="forwarding_rule_zapret -m comment --comment zapret_traffic_offloading_enable -m conntrack --ctstate RELATED,ESTABLISHED $off"
+	echo enabling ipv${1:-4} flow offloading : $i
+	ip$1tables -A $i
+}
+apply_flow_offloading_exempt_rule()
+{
+	# $1 = '' for ipv4, '6' for ipv6
+	local i v
+	v=$1
+	shift
+	i="forwarding_rule_zapret $@ -m comment --comment zapret_traffic_offloading_exemption -j RETURN"
+	echo applying ipv${v:-4} flow offloading exemption : $i
+	ip${v}tables -A $i
+}
+flow_offloading_exempt_v()
+{
+	# $1 = '' for ipv4, '6' for ipv6
 
+	is_flow_offload_avail $1 || return 0
+
+	ipt$1_del forwarding_rule -j forwarding_rule_zapret
+	ip$1tables -F forwarding_rule_zapret 2>/dev/null
+	ip$1tables -X forwarding_rule_zapret 2>/dev/null
+
+	[ "$FLOWOFFLOAD" = 'software' -o "$FLOWOFFLOAD" = 'hardware' ] && {
+		ip$1tables -N forwarding_rule_zapret
+
+		list_nfqws_rules $1 |
+		while read rule; do
+			apply_flow_offloading_exempt_rule "$1" $rule
+		done
+
+		list_nfqws_rules $1 | grep -v "connbytes" | reverse_nfqws_rule |
+		while read rule; do
+			apply_flow_offloading_exempt_rule "$1" $rule
+		done
+	
+		apply_flow_offloading_enable_rule $1
+
+		ipt$1 forwarding_rule -j forwarding_rule_zapret
+	}
+
+	return 0
+}
+flow_offloading_exempt()
+{
+	[ "$DISABLE_IPV4" = "1" ] || flow_offloading_exempt_v
+	[ "$DISABLE_IPV6" = "1" ] || flow_offloading_exempt_v 6
+}
+
+
+zapret_apply_firewall()
+{
 	local first_packet_only="-m connbytes --connbytes-dir=original --connbytes-mode=packets --connbytes 1:4"
 	local desync="-m mark ! --mark $DESYNC_MARK/$DESYNC_MARK"
 	local f4 f6 qn qns qn6 qns6
 
 	# always create ipsets. ip_exclude ipset is required
-	[ "$1" != "1" ] || create_ipset no-update
+	create_ipset no-update
 
 	case "${MODE}" in
 		tpws)
@@ -632,123 +455,60 @@ zapret_do_firewall()
 				filter_apply_port_target f4
 				f6=$f4
 				filter_apply_ipset_target f4 f6
-				fw_tpws $1 "$f4" "$f6" $TPPORT
+				fw_tpws "$f4" "$f6" $TPPORT
 			fi
 			;;
 	
 		nfqws)
+			# quite complex but we need to minimize nfqws processes to save RAM
 			if [ ! "$MODE_HTTP" = "1" ] && [ ! "$MODE_HTTPS" = "1" ]; then
 				echo both http and https are disabled. not applying redirection.
 			else
 				get_nfqws_qnums qn qns qn6 qns6
-				if [ "$MODE_HTTP_KEEPALIVE" != "1" ] && [ -n "$qn" ] && [ "$qn" = "$qns" ]; then
+				if [ "$MODE_HTTP_KEEPALIVE" != "1" ] && [ $qn = $qns ]; then
 					filter_apply_port_target f4
 					f4="$f4 $first_packet_only"
 					filter_apply_ipset_target4 f4
-					fw_nfqws_post4 $1 "$f4 $desync" $qn
+					fw_nfqws_post4 "$f4 $desync" $qn
 				else
-					if [ -n "$qn" ]; then
+					if [ "$MODE_HTTP" = "1" ]; then
 						f4="--dport 80"
 						[ "$MODE_HTTP_KEEPALIVE" = "1" ] || f4="$f4 $first_packet_only"
 						filter_apply_ipset_target4 f4
-						fw_nfqws_post4 $1 "$f4 $desync" $qn
+						fw_nfqws_post4 "$f4 $desync" $qn
 					fi
-					if [ -n "$qns" ]; then
+					if [ "$MODE_HTTPS" = "1" ]; then
 						f4="--dport 443 $first_packet_only"
 						filter_apply_ipset_target4 f4
-						fw_nfqws_post4 $1 "$f4 $desync" $qns
+						fw_nfqws_post4 "$f4 $desync" $qns
 					fi
 				fi
-				if [ "$MODE_HTTP_KEEPALIVE" != "1" ] && [ -n "$qn6" ] && [ "$qn6" = "$qns6" ]; then
+				if [ "$MODE_HTTP_KEEPALIVE" != "1" ] && [ $qn6 = $qns6 ]; then
 					filter_apply_port_target f6
 					f6="$f6 $first_packet_only"
 					filter_apply_ipset_target6 f6
-					fw_nfqws_post6 $1 "$f6 $desync" $qn6
+					fw_nfqws_post6 "$f6 $desync" $qn6
 				else
-					if [ -n "$qn6" ]; then
+					if [ "$MODE_HTTP" = "1" ]; then
 						f6="--dport 80"
 						[ "$MODE_HTTP_KEEPALIVE" = "1" ] || f6="$f6 $first_packet_only"
 						filter_apply_ipset_target6 f6
-						fw_nfqws_post6 $1 "$f6 $desync" $qn6
+						fw_nfqws_post6 "$f6 $desync" $qn6
 					fi
-					if [ -n "$qns6" ]; then
+					if [ "$MODE_HTTPS" = "1" ]; then
 						f6="--dport 443 $first_packet_only"
 						filter_apply_ipset_target6 f6
-						fw_nfqws_post6 $1 "$f6 $desync" $qns6
+						fw_nfqws_post6 "$f6 $desync" $qns6
 					fi
 				fi
 			fi
 			;;
 		custom)
-	    		existf zapret_custom_firewall && zapret_custom_firewall $1
-			;;
-	esac
-	[ "$1" = 0 ] && unprepare_tpws_fw
-
-	return 0
-}
-zapret_apply_firewall()
-{
-	zapret_do_firewall 1 "$@"
-}
-zapret_unapply_firewall()
-{
-	zapret_do_firewall 0 "$@"
-}
-
-zapret_do_daemons()
-{
-	# $1 - 1 - run, 0 - stop
-
-	local opt qn qns qn6 qns6
-
-	case "${MODE}" in
-		tpws)
-			opt="--port=$TPPORT $TPWS_OPT"
-			filter_apply_hostlist_target opt
-			do_tpws $1 1 "$opt"
-			;;
-		tpws-socks)
-			opt="--port=$TPPORT $TPWS_OPT"
-			filter_apply_hostlist_target opt
-			do_tpws_socks $1 1 "$opt"
-			;;
-		nfqws)
-			get_nfqws_qnums qn qns qn6 qns6
-			[ -z "$qn" ] || {
-				opt="--qnum=$qn $NFQWS_OPT_DESYNC_HTTP"
-				filter_apply_hostlist_target opt
-				do_nfqws $1 1 "$opt"
-			}
-			[ -z "$qns" ] || [ "$qns" = "$qn" ] || {
-				opt="--qnum=$qns $NFQWS_OPT_DESYNC_HTTPS"
-				filter_apply_hostlist_target opt
-				do_nfqws $1 2 "$opt"
-			}
-			[ -z "$qn6" ] || [ "$qn6" = "$qn" ] || [ "$qn6" = "$qns" ] || {
-				opt="--qnum=$qn6 $NFQWS_OPT_DESYNC_HTTP6"
-				filter_apply_hostlist_target opt
-				do_nfqws $1 3 "$opt"
-			}
-			[ -z "$qns6" ] || [ "$qns6" = "$qn" ] || [ "$qns6" = "$qns" ] || [ "$qns6" = "$qn6" ] || {
-				opt="--qnum=$qns6 $NFQWS_OPT_DESYNC_HTTPS6"
-				filter_apply_hostlist_target opt
-				do_nfqws $1 4 "$opt"
-			}
-			;;
-		custom)
-	    		existf zapret_custom_daemons && zapret_custom_daemons $1
+	    		existf zapret_custom_firewall && zapret_custom_firewall
 			;;
 	esac
 
+	flow_offloading_exempt
+
 	return 0
 }
-
-zapret_run_daemons()
-{
-	zapret_do_daemons 1 "$@"
-}
-zapret_stop_daemons()
-{
-	zapret_do_daemons 0 "$@"
-}
diff --git a/init.d/openwrt/zapret b/init.d/openwrt/zapret
index 232ee59..ffda5b1 100755
--- a/init.d/openwrt/zapret
+++ b/init.d/openwrt/zapret
@@ -121,25 +121,27 @@ start_service() {
 		nfqws)
 			# quite complex but we need to minimize nfqws processes to save RAM
 			get_nfqws_qnums qn qns qn6 qns6
-			[ -z "$qn" ] || {
+			[ "$DISABLE_IPV4" = "1" ] || {
 				opt="--qnum=$qn $NFQWS_OPT_BASE $NFQWS_OPT_DESYNC_HTTP"
 				filter_apply_hostlist_target opt
 				run_daemon 1 "$NFQWS" "$opt"
+				[ "$qns" = "$qn" ] || {
+					opt="--qnum=$qns $NFQWS_OPT_BASE $NFQWS_OPT_DESYNC_HTTPS"
+					filter_apply_hostlist_target opt
+					run_daemon 2 "$NFQWS" "$opt"
+				}
 			}
-			[ -z "$qns" ] || [ "$qns" = "$qn" ] || {
-				opt="--qnum=$qns $NFQWS_OPT_BASE $NFQWS_OPT_DESYNC_HTTPS"
-				filter_apply_hostlist_target opt
-				run_daemon 2 "$NFQWS" "$opt"
-			}
-			[ -z "$qn6" ] || [ "$qn6" = "$qn" ] || [ "$qn6" = "$qns" ] || {
-				opt="--qnum=$qn6 $NFQWS_OPT_BASE $NFQWS_OPT_DESYNC_HTTP6"
-				filter_apply_hostlist_target opt
-				run_daemon 3 "$NFQWS" "$opt"
-			}
-			[ -z "$qns6" ] || [ "$qns6" = "$qn" ] || [ "$qns6" = "$qns" ] || [ "$qns6" = "$qn6" ] || {
-				opt="--qnum=$qns6 $NFQWS_OPT_BASE $NFQWS_OPT_DESYNC_HTTPS6"
-				filter_apply_hostlist_target opt
-				run_daemon 4 "$NFQWS" "$opt"
+			[ "$DISABLE_IPV6" = "1" ] || {
+				[ "$qn6" = "$qn" ] || [ "$qn6" = "$qns" ] || {
+					opt="--qnum=$qn6 $NFQWS_OPT_BASE $NFQWS_OPT_DESYNC_HTTP6"
+					filter_apply_hostlist_target opt
+					run_daemon 3 "$NFQWS" "$opt"
+				}
+				[ "$qns6" = "$qn" ] || [ "$qns6" = "$qns" ] || [ "$qns6" = "$qn6" ] || {
+					opt="--qnum=$qns6 $NFQWS_OPT_BASE $NFQWS_OPT_DESYNC_HTTPS6"
+					filter_apply_hostlist_target opt
+					run_daemon 4 "$NFQWS" "$opt"
+				}
 			}
 			;;
 		custom)
diff --git a/init.d/sysv/functions b/init.d/sysv/functions
index d3f46e2..a848499 100644
--- a/init.d/sysv/functions
+++ b/init.d/sysv/functions
@@ -556,7 +556,7 @@ get_nfqws_qnums()
 	# $2 - var name for ipv4 https
 	# $3 - var name for ipv6 http
 	# $4 - var name for ipv6 https
-	local _qn _qns _qn6 _qns6
+	local _qn=x _qns=x _qn6=x _qns6=x
 
 	[ "$DISABLE_IPV4" = "1" ] || {
 		_qn=$QNUM
@@ -580,14 +580,10 @@ get_nfqws_qnums()
 		}
 		[ "$NFQWS_OPT_DESYNC_HTTPS6" = "$NFQWS_OPT_DESYNC_HTTP6" ] && _qns6=$_qn6;
 	}
-	[ "$MODE_HTTP" = 1 ] && {
-		eval $1=$_qn
-		eval $3=$_qn6
-	}
-	[ "$MODE_HTTPS" = 1 ] && {
-		eval $2=$_qns
-		eval $4=$_qns6
-	}
+	eval $1=$_qn
+	eval $2=$_qns
+	eval $3=$_qn6
+	eval $4=$_qns6
 }
 
 tpws_apply_socks_binds()
@@ -641,37 +637,37 @@ zapret_do_firewall()
 				echo both http and https are disabled. not applying redirection.
 			else
 				get_nfqws_qnums qn qns qn6 qns6
-				if [ "$MODE_HTTP_KEEPALIVE" != "1" ] && [ -n "$qn" ] && [ "$qn" = "$qns" ]; then
+				if [ "$MODE_HTTP_KEEPALIVE" != "1" ] && [ $qn = $qns ]; then
 					filter_apply_port_target f4
 					f4="$f4 $first_packet_only"
 					filter_apply_ipset_target4 f4
 					fw_nfqws_post4 $1 "$f4 $desync" $qn
 				else
-					if [ -n "$qn" ]; then
+					if [ "$MODE_HTTP" = "1" ]; then
 						f4="--dport 80"
 						[ "$MODE_HTTP_KEEPALIVE" = "1" ] || f4="$f4 $first_packet_only"
 						filter_apply_ipset_target4 f4
 						fw_nfqws_post4 $1 "$f4 $desync" $qn
 					fi
-					if [ -n "$qns" ]; then
+					if [ "$MODE_HTTPS" = "1" ]; then
 						f4="--dport 443 $first_packet_only"
 						filter_apply_ipset_target4 f4
 						fw_nfqws_post4 $1 "$f4 $desync" $qns
 					fi
 				fi
-				if [ "$MODE_HTTP_KEEPALIVE" != "1" ] && [ -n "$qn6" ] && [ "$qn6" = "$qns6" ]; then
+				if [ "$MODE_HTTP_KEEPALIVE" != "1" ] && [ $qn6 = $qns6 ]; then
 					filter_apply_port_target f6
 					f6="$f6 $first_packet_only"
 					filter_apply_ipset_target6 f6
 					fw_nfqws_post6 $1 "$f6 $desync" $qn6
 				else
-					if [ -n "$qn6" ]; then
+					if [ "$MODE_HTTP" = "1" ]; then
 						f6="--dport 80"
 						[ "$MODE_HTTP_KEEPALIVE" = "1" ] || f6="$f6 $first_packet_only"
 						filter_apply_ipset_target6 f6
 						fw_nfqws_post6 $1 "$f6 $desync" $qn6
 					fi
-					if [ -n "$qns6" ]; then
+					if [ "$MODE_HTTPS" = "1" ]; then
 						f6="--dport 443 $first_packet_only"
 						filter_apply_ipset_target6 f6
 						fw_nfqws_post6 $1 "$f6 $desync" $qns6
@@ -715,25 +711,27 @@ zapret_do_daemons()
 			;;
 		nfqws)
 			get_nfqws_qnums qn qns qn6 qns6
-			[ -z "$qn" ] || {
+			[ "$DISABLE_IPV4" = "1" ] || {
 				opt="--qnum=$qn $NFQWS_OPT_DESYNC_HTTP"
 				filter_apply_hostlist_target opt
 				do_nfqws $1 1 "$opt"
+				[ "$qns" = "$qn" ] || {
+					opt="--qnum=$qns $NFQWS_OPT_DESYNC_HTTPS"
+					filter_apply_hostlist_target opt
+					do_nfqws $1 2 "$opt"
+				}
 			}
-			[ -z "$qns" ] || [ "$qns" = "$qn" ] || {
-				opt="--qnum=$qns $NFQWS_OPT_DESYNC_HTTPS"
-				filter_apply_hostlist_target opt
-				do_nfqws $1 2 "$opt"
-			}
-			[ -z "$qn6" ] || [ "$qn6" = "$qn" ] || [ "$qn6" = "$qns" ] || {
-				opt="--qnum=$qn6 $NFQWS_OPT_DESYNC_HTTP6"
-				filter_apply_hostlist_target opt
-				do_nfqws $1 3 "$opt"
-			}
-			[ -z "$qns6" ] || [ "$qns6" = "$qn" ] || [ "$qns6" = "$qns" ] || [ "$qns6" = "$qn6" ] || {
-				opt="--qnum=$qns6 $NFQWS_OPT_DESYNC_HTTPS6"
-				filter_apply_hostlist_target opt
-				do_nfqws $1 4 "$opt"
+			[ "$DISABLE_IPV6" = "1" ] || {
+				[ "$qn6" = "$qn" ] || [ "$qn6" = "$qns" ] || {
+					opt="--qnum=$qn6 $NFQWS_OPT_DESYNC_HTTP6"
+					filter_apply_hostlist_target opt
+					do_nfqws $1 3 "$opt"
+				}
+				[ "$qns6" = "$qn" ] || [ "$qns6" = "$qns" ] || [ "$qns6" = "$qn6" ] || {
+					opt="--qnum=$qns6 $NFQWS_OPT_DESYNC_HTTPS6"
+					filter_apply_hostlist_target opt
+					do_nfqws $1 4 "$opt"
+				}
 			}
 			;;
 		custom)