disabled DNS resolution on nc

portradar.sh

@@ -59,7 +59,7 @@ cg_color(){
 }
 
 tcp_scan(){
-	ret=$(nc -w1 -z $ip $c 2>/dev/null; echo $?)
+	ret=$(nc -w1 -zn $ip $c > /dev/null 2>&1; echo $?)
 	[[ $ret == 0 ]] && { echo $c >> /tmp/tcp_ports; cg_color olbg "$c "; }
 }
 
@@ -69,7 +69,7 @@ udp_scan(){
 }
 
 fast_ping(){
-	nn=$(ping -W3 -c1 $ip 1>/dev/null 2>/dev/null; echo $?)
+	nn=$(ping -W1 -c1 $ip 1>/dev/null 2>/dev/null; echo $?)
 	[[ $nn == 0 ]] && { echo $ip >> /tmp/ips; }
 }