title: Batch file to check the availability of a specific port of a remote server
body: <p>Hi I am trying to make a bat file to check the availability from different servers to a specific one, in order to check if there are some firewalls between them,or something that blocks the conecction. The thing is I can't use third parties software like portqry, nmap ... So iam stuck here, every tip will be helpfull.</p>
  
  <p>Thanks in advance XD,</p>