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Network Security Focus-IDS
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RE: serial-line protocols

Subject: RE: serial-line protocols
Date: Mon, 30 Aug 2004 10:30:42 -0400
I would think you'd be better off deploying the NIDS at either end instead,
adjacent to one of the routers.  Anything passing in between them (and not
generated by one of them, obviously) would have to pass by that position
anyways, would it not?

-----Original Message-----
From: Raj Malhotra [mailto:ral.mal@gmail.com] 
Sent: Thursday, August 26, 2004 8:08 AM
To: focus-ids@securityfocus.com
Subject: serial-line protocols


Hi,

We have two routers connected by fibre running a serial-line 
protocol like PPP. If we need to deploy a NIDS running on a 
linux-box having a 10/100/1000 ethernet card, would an 
optical-tap with a protocol converter suffice?

With a serial-line protocol would any synchronization at the 
protocol converter be necessary?


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