diff --git a/firewallmngr/Makefile b/firewallmngr/Makefile
index 3203048d9..d5d9de8a8 100644
--- a/firewallmngr/Makefile
+++ b/firewallmngr/Makefile
@@ -5,7 +5,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=firewallmngr
-PKG_VERSION:=1.0.3
+PKG_VERSION:=1.0.4
 
 LOCAL_DEV:=0
 ifneq ($(LOCAL_DEV),1)
@@ -53,15 +53,21 @@ endif
 
 define Package/firewallmngr/install
 	$(INSTALL_DIR) $(1)/etc/config
+	$(INSTALL_DIR) $(1)/etc/uci-defaults
 ifeq ($(CONFIG_FIREWALLMNGR_PORT_TRIGGER),y)
 	$(INSTALL_DIR) $(1)/etc/init.d
-	$(INSTALL_DIR) $(1)/etc/config
 	$(INSTALL_DIR) $(1)/lib/port-trigger
 
 	$(INSTALL_BIN) ./files/port-trigger/etc/init.d/port-trigger $(1)/etc/init.d/
 	$(INSTALL_DATA) ./files/port-trigger/etc/config/port-trigger $(1)/etc/config/
 	$(INSTALL_DATA) ./files/port-trigger/lib/port-trigger/port_trigger.sh $(1)/lib/port-trigger/
 endif
+	$(INSTALL_BIN) ./files/firewall.portmap $(1)/etc/
+	$(INSTALL_DATA) ./files/etc/uci-defaults/95-portmap-firewall $(1)/etc/uci-defaults/
+
+	$(INSTALL_BIN) ./files/firewall.service $(1)/etc/
+	$(INSTALL_DATA) ./files/etc/uci-defaults/97-firewall-service $(1)/etc/uci-defaults/
+
 	$(BBFDM_INSTALL_MS_DM) $(PKG_BUILD_DIR)/src/libfirewallmngr.so $(1) $(PKG_NAME)
 endef
 
diff --git a/firewallmngr/files/etc/uci-defaults/95-portmap-firewall b/firewallmngr/files/etc/uci-defaults/95-portmap-firewall
new file mode 100644
index 000000000..83c54d90a
--- /dev/null
+++ b/firewallmngr/files/etc/uci-defaults/95-portmap-firewall
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+uci -q batch <<-EOT
+        delete firewall.port_hook
+        set firewall.port_hook=include
+        set firewall.port_hook.path=/etc/firewall.portmap
+        set firewall.port_hook.reload=1
+        commit firewall
+EOT
+
+exit 0
+
diff --git a/firewallmngr/files/etc/uci-defaults/97-firewall-service b/firewallmngr/files/etc/uci-defaults/97-firewall-service
new file mode 100644
index 000000000..081aee09d
--- /dev/null
+++ b/firewallmngr/files/etc/uci-defaults/97-firewall-service
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+uci -q batch <<-EOT
+        delete firewall.service_hook
+        set firewall.service_hook=include
+        set firewall.service_hook.path=/etc/firewall.service
+        set firewall.service_hook.reload=1
+        commit firewall
+EOT
+
+exit 0
+
diff --git a/firewallmngr/files/firewall.portmap b/firewallmngr/files/firewall.portmap
new file mode 100755
index 000000000..f134ae1a7
--- /dev/null
+++ b/firewallmngr/files/firewall.portmap
@@ -0,0 +1,74 @@
+#!/bin/sh
+
+. /lib/functions.sh
+
+log() {
+	echo "${@}"|logger -t firewall.dnat -p info
+}
+
+exec_cmd() {
+	if ! eval "$*"; then
+		log "Failed to run [$*]"
+	fi
+}
+
+reorder_dnat_rules() {
+	nat_chains=$(iptables -t nat -S | grep -E "^-N zone[a-zA-Z0-9_]+prerouting$" | cut -d' ' -f 2)
+
+	for chain in ${nat_chains}; do
+		# Collect empty remote host & empty dport rules
+		EMPTY_HOST_PORT=$(iptables -t nat -S ${chain} | grep -E "REDIRECT|DNAT" | grep -v "\-\-dport" | grep -v "\-s ")
+		if [ -n "${EMPTY_HOST_PORT}" ]; then
+			echo "${EMPTY_HOST_PORT}" | while read cmd; do
+				cmd1="iptables -t nat $(echo $cmd | sed 's/-A /-D /g')"
+				exec_cmd $cmd1
+			done
+		fi
+
+		# Collect empty remote host but non empty dport rules
+		EMPTY_HOST=$(iptables -t nat -S ${chain} | grep -E "REDIRECT|DNAT" | grep "\-\-dport" | grep -v "\-s ")
+		if [ -n "${EMPTY_HOST}" ]; then
+			echo "${EMPTY_HOST}" | while read cmd; do
+				cmd1="iptables -t nat $(echo $cmd | sed 's/-A /-D /g')"
+				exec_cmd $cmd1
+			done
+		fi
+
+		# Collect non empty remote host but empty dport rules
+		EMPTY_PORT=$(iptables -t nat -S ${chain} | grep -E "REDIRECT|DNAT" | grep -v "\-\-dport" | grep "\-s ")
+		if [ -n "${EMPTY_PORT}" ]; then
+			echo "${EMPTY_PORT}" | while read cmd; do
+				cmd1="iptables -t nat $(echo $cmd | sed 's/-A /-D /g')"
+				exec_cmd $cmd1
+			done
+		fi
+
+		# Now add rules as per datamodel precedence shown below
+		## Non empty remote host, empty dport
+		## empty remote host, non empty dport
+		## empty remote host, empty dport
+		if [ -n "${EMPTY_PORT}" ]; then
+			echo "${EMPTY_PORT}" | while read cmd; do
+				cmd1="iptables -t nat $(echo $cmd)"
+				exec_cmd $cmd1
+			done
+		fi
+
+		if [ -n "${EMPTY_HOST}" ]; then
+			echo "${EMPTY_HOST}" | while read cmd; do
+				cmd1="iptables -t nat $(echo $cmd)"
+				exec_cmd $cmd1
+			done
+		fi
+
+		if [ -n "${EMPTY_HOST_PORT}" ]; then
+			echo "${EMPTY_HOST_PORT}" | while read cmd; do
+				cmd1="iptables -t nat $(echo $cmd)"
+				exec_cmd $cmd1
+			done
+		fi
+	done
+}
+
+# Re-order portmapping rules according to precedence hierarchy
+reorder_dnat_rules
diff --git a/firewallmngr/files/firewall.service b/firewallmngr/files/firewall.service
new file mode 100755
index 000000000..100f54a3d
--- /dev/null
+++ b/firewallmngr/files/firewall.service
@@ -0,0 +1,163 @@
+#!/bin/sh
+
+. /lib/functions.sh
+
+log() {
+	echo "${@}"|logger -t firewall.service -p info
+}
+
+exec_cmd() {
+	if ! eval "$*"; then
+		log "Failed to run [$*]"
+		echo "-1"
+		return 0
+	fi
+
+	echo "0"
+	return 0
+}
+
+add_iptable_rule() {
+	chain_name=$1
+	protocol=$2
+	dest_port=$3
+	icmp_type=$4
+	family=$5
+	src_prefix=$6
+	action=$7
+	res=-1
+
+	cmd="-I ${chain_name}"
+
+	if [ -n "${protocol}" ]; then
+		cmd="${cmd} -p $protocol"
+
+		if [ "${protocol}" -eq 41 ] || [ "${protocol}" -eq 43 ] || [ "${protocol}" -eq 44 ] ||
+		   [ "${protocol}" -eq 58 ] || [ "${protocol}" -eq 59 ] || [ "${protocol}" -eq 60 ]; then
+		   	# Explicit v6 protocols
+			if [ "${family}" = "ipv4" ]; then
+				echo $res
+				return 0
+			else
+				family="ipv6"
+			fi
+		elif [ "${protocol}" -eq 1 ]; then
+		   	# Explicit v4 protocols
+			if [ "${family}" = "ipv6" ]; then
+				echo $res
+				return 0
+			else
+				family="ipv4"
+			fi
+		fi
+
+		# Limitation:: iptables do not accept dport without specific protocol
+		count=$(echo "${dest_port}" | sed -n "/-1/p" | wc -l)
+
+		if [ "${count}" -eq 0 ]; then
+			# dest_port not contains -1 so need to have this match criteria
+			count=$(echo "${dest_port}" | wc -w)
+			if [ "${count}" -gt 1 ]; then
+				# multiple ports present
+				port=$(echo "${dest_port}" | sed "s/ /,/g")
+				cmd="${cmd} -m multiport --dports ${port}"
+			else
+				cmd="${cmd} --dport ${dest_port}"
+			fi
+		fi
+	fi
+
+	if [ "${family}" = "ipv4" ] || [ "${family}" = "-1" ]; then
+		if [ "${protocol}" -eq 1 ] && [ "${icmp_type}" -ge 0 ]; then
+			cmd="${cmd} --icmp-type ${icmp_type}"
+		fi
+
+		if [ -z "${src_prefix}" ]; then
+			res=$(exec_cmd "iptables ${cmd} -m comment --comment IPtables_service_rule -j ${action}")
+		else
+			#Add ipv4 sources if any
+			src_list=""
+			for src in $src_prefix; do
+				ret=$(echo $src | grep ":" | wc -l)
+				if [ "${ret}" -eq 0 ]; then
+					src_list="$src,$src_list"
+				fi
+			done
+
+			if [ -n "$src_list" ]; then
+				src_list=$(echo "${src_list}" | sed "s/,$//")
+				res=$(exec_cmd "iptables -s $src_list ${cmd} -m comment --comment IPtables_service_rule -j ${action}")
+			fi
+		fi
+	fi
+
+	if [ "${family}" = "ipv6" ] || [ "${family}" = "-1" ]; then
+		if [ "${protocol}" -eq 58 ] && [ "${icmp_type}" -ge 0 ]; then
+			cmd="${cmd} --icmpv6-type ${icmp_type}"
+		fi
+
+		if [ -z "${src_prefix}" ]; then
+			res=$(exec_cmd "ip6tables ${cmd} -m comment --comment IP6tables_service_rule -j ${action}")
+		else
+			#Add ipv6 sources if any
+			src_list=""
+			for src in $src_prefix; do
+				ret=$(echo $src | grep ":" | wc -l)
+				if [ "${ret}" -eq 1 ]; then
+					src_list="$src,$src_list"
+				fi
+			done
+
+			if [ -n "$src_list" ]; then
+				src_list=$(echo "${src_list}" | sed "s/,$//")
+				res=$(exec_cmd "ip6tables -s $src_list ${cmd} -m comment --comment IP6tables_service_rule -j ${action}")
+			fi
+		fi
+	fi
+
+	echo $res
+}
+
+add_service() {
+	local enable proto family dest_port interface target icmp_type
+
+	config_get enable "$1" enable "0"
+	config_get icmp_type "$1" icmp_type "-1"
+	config_get target "$1" target "Accept"
+	config_get interface "$1" interface ""
+	config_get family "$1" family "-1"
+	config_get dest_port "$1" dest_port "-1"
+	config_get proto "$1" proto "-1"
+	config_get src_prefix "$1" src_prefix ""
+
+	if [ "${enable}" -eq 0 ] || [ -z "${interface}" ]; then
+		return 0
+	fi
+
+	action=$(echo "${target}" | tr a-z A-Z)
+	chain_name="zone_${interface}_input"
+	res=0
+
+	count=$(echo "${proto}" | sed -n "/-1/p" | wc -l)
+
+	if [ "${count}" -eq 0 ]; then
+		# proto not contains -1 so need to have this match criteria
+		for protocol in $proto; do
+			res=$(add_iptable_rule "$chain_name" "$protocol" "$dest_port" "$icmp_type" "$family" "$src_prefix" "$action")
+		done
+	else
+		# proto contains -1 so no need to have this match criteria
+		res=$(add_iptable_rule "$chain_name" "" "$dest_port" "$icmp_type" "$family" "$src_prefix" "$action")
+	fi
+
+	if [ "${res}" -ne 0 ]; then
+		uci -q set firewall."${1}".status="Error"
+	else
+		uci -q set firewall."${1}".status=""
+	fi
+
+	uci commit firewall
+}
+
+config_load firewall
+config_foreach add_service "service"