hging

#!/bin/bash

if [ $# -ne 1 ]; then
  echo "Usage: $0 <IP>[/subnet]"
  exit 1
fi

for ip in $(nmap -sL $1 | awk '/Nmap scan report/{print $NF}'); do {
  ip=$(echo $ip | tr -d '()')
  output=$(curl --connect-to :443:$ip:443 --connect-timeout 5 --verbose --head https://www.google.com.hk 2>&1)