diff --git a/hostmngr/files/scripts/hosts_acl.sh b/hostmngr/files/scripts/hosts_acl.sh
index f0388865d..6a08f353b 100755
--- a/hostmngr/files/scripts/hosts_acl.sh
+++ b/hostmngr/files/scripts/hosts_acl.sh
@@ -271,14 +271,14 @@ touch $ACL_FILE
 echo "iptables -w -F hosts_forward" >> $ACL_FILE
 echo "ip6tables -w -F hosts_forward" >> $ACL_FILE
 
-hosts_ipv4_forward=$(iptables -t filter --list -n | grep hosts_forward)
+hosts_ipv4_forward=$(iptables -w -t filter --list -n | grep hosts_forward)
 if [ -z "$hosts_ipv4_forward" ]; then
 	echo "iptables -w -t filter -N hosts_forward" >> $ACL_FILE
 	ret=$?
 	[ $ret -eq 0 ] && echo "iptables -w -t filter -I FORWARD -j hosts_forward" >> $ACL_FILE
 fi
 
-hosts_ipv6_forward=$(ip6tables -t filter --list -n | grep hosts_forward)
+hosts_ipv6_forward=$(ip6tables -w -t filter --list -n | grep hosts_forward)
 if [ -z "$hosts_ipv6_forward" ]; then
 	echo "ip6tables -w -t filter -N hosts_forward" >> $ACL_FILE
 	ret=$?
diff --git a/mcastmngr/files/linux/etc/firewall.mcast b/mcastmngr/files/linux/etc/firewall.mcast
index be8e428f0..84c786a96 100644
--- a/mcastmngr/files/linux/etc/firewall.mcast
+++ b/mcastmngr/files/linux/etc/firewall.mcast
@@ -1,2 +1,2 @@
 # Forward multicast packets from wan to lan
-iptables -t filter -A zone_wan_forward -p udp -d 224.0.0.0/240.0.0.0 -m comment --comment "!fw3: Allow-Multicast-UDP" -j zone_lan_dest_ACCEPT
+iptables -w -t filter -A zone_wan_forward -p udp -d 224.0.0.0/240.0.0.0 -m comment --comment "!fw3: Allow-Multicast-UDP" -j zone_lan_dest_ACCEPT
diff --git a/parental-control/files/lib/parentalcontrol/parentalcontrol.sh b/parental-control/files/lib/parentalcontrol/parentalcontrol.sh
index 6db1eb3fc..7d1db7cfb 100644
--- a/parental-control/files/lib/parentalcontrol/parentalcontrol.sh
+++ b/parental-control/files/lib/parentalcontrol/parentalcontrol.sh
@@ -412,14 +412,14 @@ add_internet_schedule_rules() {
 	echo "iptables -w -F parentalcontrol_forward" >> $ACL_FILE
 	echo "ip6tables -w -F parentalcontrol_forward" >> $ACL_FILE
 
-	parentalcontrol_ipv4_forward=$(iptables -t filter --list -n | grep parentalcontrol_forward)
+	parentalcontrol_ipv4_forward=$(iptables -w -t filter --list -n | grep parentalcontrol_forward)
 	if [ -z "$parentalcontrol_ipv4_forward" ]; then
 		echo "iptables -w -t filter -N parentalcontrol_forward" >> $ACL_FILE
 		ret=$?
 		[ $ret -eq 0 ] && echo "iptables -w -t filter -I FORWARD -j parentalcontrol_forward" >> $ACL_FILE
 	fi
 
-	parentalcontrol_ipv6_forward=$(ip6tables -t filter --list -n | grep parentalcontrol_forward)
+	parentalcontrol_ipv6_forward=$(ip6tables -w -t filter --list -n | grep parentalcontrol_forward)
 	if [ -z "$parentalcontrol_ipv6_forward" ]; then
 		echo "ip6tables -w -t filter -N parentalcontrol_forward" >> $ACL_FILE
 		ret=$?
diff --git a/qosmngr/files/common/lib/qos/iptables.sh b/qosmngr/files/common/lib/qos/iptables.sh
index fa226986d..f2253c6d1 100755
--- a/qosmngr/files/common/lib/qos/iptables.sh
+++ b/qosmngr/files/common/lib/qos/iptables.sh
@@ -279,17 +279,17 @@ create_iptables_chains() {
     ret=$?
     [ $ret -eq 0 ] && iptables -w -t mangle -I OUTPUT -j qos_output
 
-    ip6tables -t mangle -N qos_forward 2> /dev/null
+    ip6tables -w -t mangle -N qos_forward 2> /dev/null
     ret=$?
-    [ $ret -eq 0 ] && ip6tables -t mangle -I FORWARD -j qos_forward
+    [ $ret -eq 0 ] && ip6tables -w -t mangle -I FORWARD -j qos_forward
 
-    ip6tables -t mangle -N qos_prerouting 2> /dev/null
+    ip6tables -w -t mangle -N qos_prerouting 2> /dev/null
     ret=$?
-    [ $ret -eq 0 ] && ip6tables -t mangle -I PREROUTING -j qos_prerouting
+    [ $ret -eq 0 ] && ip6tables -w -t mangle -I PREROUTING -j qos_prerouting
 
-    ip6tables -t mangle -N qos_output 2> /dev/null
+    ip6tables -w -t mangle -N qos_output 2> /dev/null
     ret=$?
-    [ $ret -eq 0 ] && ip6tables -t mangle -I OUTPUT -j qos_output
+    [ $ret -eq 0 ] && ip6tables -w -t mangle -I OUTPUT -j qos_output
 }
 
 flush_iptables_chains() {
diff --git a/udpecho/files/etc/init.d/udpechoserverd b/udpecho/files/etc/init.d/udpechoserverd
index f2cae4eaf..3bb60a3ce 100755
--- a/udpecho/files/etc/init.d/udpechoserverd
+++ b/udpecho/files/etc/init.d/udpechoserverd
@@ -19,12 +19,12 @@ start_service() {
 
 	if [ "${enable_udpechoserver}" -eq "1" ] && [ "$port_udpechoserver" -ne "0" ]; then
 		if [ -z "$address_udpechoserver" ]; then
-			iptables -I zone_wan_input -p udp --dport "$port_udpechoserver" -j ACCEPT -m comment --comment "Open UDPechoserver port"
-			ip6tables -I zone_wan_input -p udp --dport "$port_udpechoserver" -j ACCEPT -m comment --comment "Open UDPechoserver port"
+			iptables -w -I zone_wan_input -p udp --dport "$port_udpechoserver" -j ACCEPT -m comment --comment "Open UDPechoserver port"
+			ip6tables -w -I zone_wan_input -p udp --dport "$port_udpechoserver" -j ACCEPT -m comment --comment "Open UDPechoserver port"
 		elif [[ "$address_udpechoserver" =~ .*:.* ]]; then
-			ip6tables -I zone_wan_input -p udp --dport "$port_udpechoserver" -j ACCEPT -m comment --comment "Open UDPechoserver port"
+			ip6tables -w -I zone_wan_input -p udp --dport "$port_udpechoserver" -j ACCEPT -m comment --comment "Open UDPechoserver port"
 		else
-			iptables -I zone_wan_input -p udp --dport "$port_udpechoserver" -j ACCEPT -m comment --comment "Open UDPechoserver port"
+			iptables -w -I zone_wan_input -p udp --dport "$port_udpechoserver" -j ACCEPT -m comment --comment "Open UDPechoserver port"
 		fi
 
 		procd_open_instance
@@ -36,12 +36,12 @@ start_service() {
 
 stop_service() {
 	# Remove the USPechoserver ports created earlier
-	while iptables -nL zone_wan_input --line-numbers | grep "Open UDPechoserver port" > /dev/null; do
-		iptables -D zone_wan_input "$(iptables -nL zone_wan_input --line-numbers | grep "Open UDPechoserver port" | head -1|awk '{print $1}')";
+	while iptables -w -nL zone_wan_input --line-numbers | grep "Open UDPechoserver port" > /dev/null; do
+		iptables -w -D zone_wan_input "$(iptables -w -nL zone_wan_input --line-numbers | grep "Open UDPechoserver port" | head -1|awk '{print $1}')";
 	done
 
-	while ip6tables -nL zone_wan_input --line-numbers | grep "Open UDPechoserver port" > /dev/null; do
-		ip6tables -D zone_wan_input "$(ip6tables -nL zone_wan_input --line-numbers | grep "Open UDPechoserver port" | head -1|awk '{print $1}')";
+	while ip6tables -w -nL zone_wan_input --line-numbers | grep "Open UDPechoserver port" > /dev/null; do
+		ip6tables -w -D zone_wan_input "$(ip6tables -w -nL zone_wan_input --line-numbers | grep "Open UDPechoserver port" | head -1|awk '{print $1}')";
 	done
 
 	plus_enable="$(uci -q -c /var/state get udpechoserver.udpechoserver.plus)"
diff --git a/userinterface/files/etc/firewall.userinterface b/userinterface/files/etc/firewall.userinterface
index 580a4d88a..a96b467ac 100755
--- a/userinterface/files/etc/firewall.userinterface
+++ b/userinterface/files/etc/firewall.userinterface
@@ -19,8 +19,8 @@ exec_cmd() {
 }
 
 delete_ui_firewall_rules() {
-	input_chains=$(iptables -S | grep -E "^-N zone[a-zA-Z0-9_]+input$" | cut -d' ' -f 2)
-	output_chains=$(iptables -S | grep -E "^-N zone[a-zA-Z0-9_]+output$" | cut -d' ' -f 2)
+	input_chains=$(iptables -w 1 -S | grep -E "^-N zone[a-zA-Z0-9_]+input$" | cut -d' ' -f 2)
+	output_chains=$(iptables -w 1 -S | grep -E "^-N zone[a-zA-Z0-9_]+output$" | cut -d' ' -f 2)
 
 	for chain in ${input_chains}; do
 		CMD="iptables -w 1 -t filter -nL ${chain} --line-numbers"
@@ -42,8 +42,8 @@ delete_ui_firewall_rules() {
 		done
 	done
 
-	input6_chains=$(ip6tables -S | grep -E "^-N zone[a-zA-Z0-9_]+input$" | cut -d' ' -f 2)
-	output6_chains=$(ip6tables -S | grep -E "^-N zone[a-zA-Z0-9_]+output$" | cut -d' ' -f 2)
+	input6_chains=$(ip6tables -w 1 -S | grep -E "^-N zone[a-zA-Z0-9_]+input$" | cut -d' ' -f 2)
+	output6_chains=$(ip6tables -w 1 -S | grep -E "^-N zone[a-zA-Z0-9_]+output$" | cut -d' ' -f 2)
 
 	for chain in ${input6_chains}; do
 		CMD="ip6tables -w 1 -t filter -nL ${chain} --line-numbers"