update

defaults.inc

@@ -212,7 +212,9 @@ DISP_HEADER(){
 
 CHECK_HOST_NM(){
 	if [ ! -z ${1+x} ]; then
-		[ "$(nmap ${1} -p 22,80,443 -n | grep 'open ')" != "" ] || [ "$(nmap -sU ${1} -p 161 -n | grep 'open ')" != "" ] && echo true || echo false
+		ping -c 1 ${1} > /dev/null 2>&1
+		[ $? -ne 0 ] && echo false || echo true
+		# [ "$(nmap ${1} -p 22,80,443 -n | grep 'open ')" != "" ] || [ "$(nmap -sU ${1} -p 161 -n | grep 'open ')" != "" ] && echo true || echo false
 	else
 		echo false
 	fi