Check open ports from an array

checkport.rb

require 'socket'
require 'timeout'

def is_port_open?(ip, port)
  begin
    Timeout::timeout(1) do
      begin
        s = TCPSocket.new(ip, port)
        s.close
        return true
      rescue Errno::ECONNREFUSED, Errno::EHOSTUNREACH
        return false
      end
    end
  rescue Timeout::Error
  end

  return false
end



targets = [
  {:ip => "172.217.12.142", :port => "80"},
  {:ip => "google.com", :port => "80"},
  {:ip => "1.2.3.4", :port => "80"},
  {:ip => "google.com", :port => "22"}
]


targets.collect do |target|
  if is_port_open?(target[:ip], target[:port])
    puts "open - #{target[:ip]}, port #{target[:port]}"
  else
    puts "closed - #{target[:ip]}, port #{target[:port]}"
  end
end