Switched networks can be sniffed, but you need to turn your port into a promiscious 
port so it recieves every packet. I know the high end switches do this, as do MOST 
managed switches.

---------- Original Message ----------------------------------
From: "R. Scott Perry" <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
Date:  Fri, 27 Feb 2004 15:36:28 -0500

>
>>I'm looking for a "not to expensive but efficient" network sniffer.
>>I don't know much about sniffers... :(
>
>Ethereal.  It's free, it's very good.  http://www.ethereal.com .
>
>>Problem is that the computer that I need to monitor is a Mac...  Soon to
>>be change for PC.  So I can't really "connect" to it with my laptop.
>
>With wireless and switched networks, it gets tricky monitoring connections 
>that aren't your own.  You'll have to hunt to find someone that will work 
>with Windows and wireless networks (and even then, you need specific brands 
>of hardware).  For switched networks, you're out of luck, and would need to 
>do something like add a hub in order to monitor the traffic.
>
>                                                    -Scott
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