Testing MULTIPLE ports at once

  sniperfx20 17:12 15 Mar 2009

Hey there everyone, is there a program out there or a method to test if multiple ports are open/closed? I have to test for like 100+ or so ports and to test them one by one would take a longtime!!!

Please, if you know a method to solve this problem, I would like to hear it.


  brundle 17:58 15 Mar 2009

netstat -a

to see ports in use on a machine.

Depends what kind of test you mean.

  sniperfx20 18:09 15 Mar 2009

i need to test a range of like 1024-49151, to see which one of these ports are open or not.... any idea?

  brundle 18:56 15 Mar 2009

Use it without a firewall; click here

  brundle 18:57 15 Mar 2009

I mean , you can use it without a firewall

  brundle 18:58 15 Mar 2009

Actually, use this instead; click here

  Tech Guy 19:02 15 Mar 2009

Yep, use the security scanner nmap at:

click here

Great tool used by security experts and hackers. Just make sure you have permission before scanning networks as they frown at such things and may get upset ;)

Loads of info on this program out there and very easy to use.

To check port by port use:

click here

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