Snort mailing list archives

Read-Only Ethernet cable


From: Thomas Nilsen <Thomas.Nilsen () Kverneland com>
Date: Tue, 19 Jun 2001 16:34:33 +0200

Dear Mr Knobbe,

Back in January you posted a diagram for a read-only Ethernet cable
(http://archives.neohapsis.com/archives/snort/2001-01/0055.html) that could
be use with Snort to secure a sniffing NIC. The diagram looked like this:

LAN Sniffer 
1 -----\ /-- 1 
2 ---\ | \-- 2 
3 ---+-*------- 3 
4 - | - 4 
5 - | - 5 
6 ---*-------- 6 
7 - - 7 
8 - - 8 

From the description to the diagram, you say you connect 1 & 2 to 3 & 6 and
vice versa on the other side - at least that's the way I read it. However,
I've not been able to get this to work on a hub. Could you possibly clarify
which pins are connected to which? Do you connect bin 1 & 2 on the LAN side
to both pin 3 & 6 on the Sniffer side, or just 1-3 and 2-6?

I hope you could help me with this, and I'm sure others on the snort mailing
list are interested in seeing this solution, as so far only a AUI solution
has been posted.

Best Regards,
Thomas Nilsen



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