diff --git a/script.sh b/script.sh
index 44e0570..efca012 100644
--- a/script.sh
+++ b/script.sh
@@ -94,7 +94,7 @@ if [ "$IRAN" == "YES" ]; then
 		fi
 		# accept low ports --------------------------
 		sudo iptables -t nat -A PREROUTING -p tcp --dport 8050 -j ACCEPT
-		sudo iptables -t nat -A PREROUTING -p tcp --dports 1000:6000 -j ACCEPT
+		sudo iptables -t nat -A PREROUTING -p tcp -m multiport --dports 1000:6000 -j ACCEPT
 		# redirect proxy ports ----------------------
 		if [ -v PROXY ]; then
 			sudo iptables -t nat -A PREROUTING -p tcp -m multiport --dports 445,777 -j DNAT --to-destination $PROXY:445