alexander-potemkin/nc-port-scanner.sh

## nc-port-scanner.sh
#!/bin/bash
# call with IP required to be scanned

broken=0;

function break_script
{
	broken=1;
}

trap break_script SIGINT;

for (( i = 1; i < 65535; ++i ))
do
	nc -z -w 1 "$1" "$i" < /dev/null;

	[ $? -eq 0 ] && echo "Open port $i";
	[ $broken -eq 1 ] && break;
done
	#!/bin/bash
	# call with IP required to be scanned

	broken=0;

	function break_script
	{
	broken=1;
	}

	trap break_script SIGINT;

	for (( i = 1; i < 65535; ++i ))
	do
	nc -z -w 1 "$1" "$i" < /dev/null;

	[ $? -eq 0 ] && echo "Open port $i";
	[ $broken -eq 1 ] && break;
	done