title: Windows CMD to find listening TCP/IP ports of a "un-ping-able" PC on LAN?
body: <p>I am developing a server-client web-application on LAN, in which the clients need to auto-detect &amp; connect to the server.</p>
  
  <p>Because some servers are with windows fiewall on, pinging them reply nothing. I wonder how can I detect that type of server PCs? </p>
  
  <p>The only clue I have is that the Servers' application run on a random port in range : 1025 ~ 2025.</p>
  
  <p>Do I need to try connecting from 192.168.0.1 to 192.168.0.254 &amp; check 1000 ports for every IP?
  Thanks !</p>