Hi

WRT a one-way cable, this was posted on the list in July:

Sam Ng wrote:
> Take a look at this:
>
> http://personal.ie.cuhk.edu.hk/~msng0/sniffing_cable/index.htm
>
> Sam Ng

A colleague has built one, and it does work....

Robert

--
Robert Turner GCIA
Security Solutions Designer & Analyst
Ignite Solutions - Secure Business Services
T: +44 (0)113 244 5951  F: +44 (0)113 244 5657
Robert.D.Turnerbt.com
 
> -----Original Message-----
> From: Clement-Evans, Rhys [mailto:Rhys.Clement-Evansswisslife.co.uk]
> Sent: 20 December 2001 10:18
> Cc: focus-idssecurityfocus.com
> Subject: RE: Use of Taps for IDS
> 
> 
> When I was investigating securing my IDS system by use of taps, I
considered
> making a read-only cable for the simplest solution (well ok, the simplest
> solution would have been to not bind any protocols to the IDS interface). 
> 
> Investigation showed that there was the potential for the intermediate
> hub/switch to deactivate the port used, as the relevant 'incoming' wires
> would be disconnected. I suspect that this is more something to be aware
of
> with the higher end hubs and switches, but can anyone advise whether this
is
> a real concern or just clever marketing on the part of tap manufacturers?
> 
> Regards,
> 
> Rhys

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