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Date:      Fri, 20 Aug 1999 13:39:32 -0700 (PDT)
From:      jay d <service_account@yahoo.com>
To:        Cliff Skolnick <cliff@steam.com>, Bigby Findrake <bigby@shiva.eu.org>
Cc:        jay d <service_account@yahoo.com>, "Rodney W. Grimes" <freebsd@gndrsh.dnsmgr.net>, Evren Yurtesen <yurtesen@ispro.net.tr>, freebsd-security@FreeBSD.ORG
Subject:   Re: multiple machines in the same network
Message-ID:  <19990820203932.9282.rocketmail@web601.yahoomail.com>

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ding ding ding!  we have a winner :)  that's pretty much it, my friend.

jay

--- Cliff Skolnick <cliff@steam.com> wrote:
> 
> Hacked arp code on one machine could return a
> broadcast or multicast
> ethernet address to an arp query for any machine. 
> The switch would then
> treat all traffic as broadcast sending it to every
> port.  Since the machines
> TCP/IP layer would receive the packet it woudl still
> be on the network, of
> course it would be receiving and dropping a bit
> more.  Performance may be
> effected.  :)
> 
> You really want the machines on a seperate segment
> and to be routed instead
> of switched.
> 
> Cliff
> 
> On Fri, 20 Aug 1999, Bigby Findrake wrote:
> 
> > On Fri, 20 Aug 1999, jay d wrote:
> > 
> > > What you really want is a VLAN capable switch.
> VLAN switches simply
> > > designate what ports on a switch can see what
> other ports on the same
> > > switch. I have to correct you though, Rodney, as
> sniffing is currently
> > > possible through switches.
> > 
> > Please, do tell us how it's possible to sniff
> through switches.
> > 
> > 
> >
>
/-------------------------------------------------------------------------/
> > It's easier to obtain forgiveness than permission.
> > 
> > 		finger bigby@shiva.eu.org for my pgpkey
> > 	       e-mail bigby@pager.shiva.eu.org to page me
> >
>
/-------------------------------------------------------------------------/
> > 
> > 
> > 
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-security" in the body of
> the message
> > 
> 
> --
>    | Cliff Skolnick          | "They that can give
> up essential liberty to |
>    | Steam Tunnel Operations |  obtain a little
> temporary safety deserve   |
>    | cliff@steam.com         |  neither liberty nor
> safety."               |
>    | http://www.steam.com/   |                  --
> Benjamin Franklin, 1759 |
> 
> 

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