Port scanning

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Posted by robert on October 17, 2006, 1:59 am

how can i see what ports are being used when i connect to the
internet?
is there a program that does this? thanks

Posted by GlowingBlueMist on October 17, 2006, 2:21 am

robert wrote:

> how can i see what ports are being used when i connect to the
> internet?
> is there a program that does this? thanks

If you are using XP you might want to try the netstat program in a command
(dos) window. It's usually included in a routine XP installation.

netstat -n will give you a listing of active ports.

use netstat /? to give you the list of other options available for the
command.

Posted by CBFalconer on October 17, 2006, 10:21 am

GlowingBlueMist wrote:

> robert wrote:
>

>> how can i see what ports are being used when i connect to the
>> internet? is there a program that does this? thanks

>
> If you are using XP you might want to try the netstat program in
> a command (dos) window. It's usually included in a routine XP
> installation.
>
> netstat -n will give you a listing of active ports.
>
> use netstat /? to give you the list of other options available
> for the command.

Same for at least W98 up. Also see ipconfig.

--
Chuck F (cbfalconer at maineline dot net)
Available for consulting/temporary embedded and systems.

<http://cbfalconer.home.att.net>

Posted by Shannon on October 17, 2006, 2:23 am

robert wrote:

>> how can i see what ports are being used when i connect to the
>> internet?
>> is there a program that does this? thanks

Type netstat -a 10 at the command prompt.

Port scanning is a somewhat different matter.

https://www.grc.com/x/ne.dll?bh0bkyd2

Posted by beenthere on October 17, 2006, 11:16 am

> how can i see what ports are being used when i connect to the
> internet?
> is there a program that does this? thanks

Go here, click on cports.exe.
http://www.thevine.net/filedownload/PUB/cports/
D\load and your good to go.
HTH

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