fyi,

dug song's internal site is still accessible...he just changed the index
page as a protest.

http://www.monkey.org/~dugsong/dsniff/

-limon


On Thu, 1 Nov 2001, leon wrote:

> If you are sniffing a switched lan it is not as clean and dry as just
> running a sniffer do the nature of switched networks (single broadcast
> domain, MULTIPLE collision domains).  There are 2 things you can do;
> 
> 1)    Use a cisco switch and then you can create a span port to mirror
> traffic form any port to any port (not sure about how other switches
> handle that).
> 
> 2)    Get dsniff (not sure if mr song is still withholding his site
> because of dmca concerns but dnsiff should be available on packet
> storm).  With dnsiff you can play "mac games".  Basically you flood the
> switch with non existent mac address with the idea that it will
> eventually fail over open (as opposed to closed which means it wont pass
> anymore traffic).  When it fails open it basically becomes just an
> expensive hub and you are back to a single collision domain and can
> sniff again.
> 
> Cheers,
> 
> Leon
> 
> -----Original Message-----
> From: Jacques Chicourel Nunes Vaz - BA
> [mailto:[EMAIL PROTECTED]] 
> Sent: Thursday, October 25, 2001 1:33 PM
> To: '[EMAIL PROTECTED]'
> Subject: Packet Sniffing in a Switched LAN
> 
> Hi folks,
>  
> I have a Lan with 200 desktops and IŽd like to sniff it. What tool can I
> use
> to see all the  packets ( going and coming ) ?
> Any suggestions ? 
>  
> Regards,
>  
> Jacques
> 
> 

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