[95167] in North American Network Operators' Group
RE: Where are static bogon filters appropriate? was: 96.2.0.0/16 Bogons
daemon@ATHENA.MIT.EDU (Eric Ortega)
Fri Mar 2 16:38:30 2007
From: "Eric Ortega" <eric.ortega@midco.net>
To: "'Sean Donelan'" <sean@donelan.com>
Cc: "'NANOG'" <nanog@merit.edu>
Date: Fri, 2 Mar 2007 15:37:01 -0600
In-Reply-To: <Pine.GSO.4.64.0703021616470.3159@clifden.donelan.com>
Errors-To: owner-nanog@merit.edu
I think Sean raises a good point. I guess the larger picture is what are =
we
trying to protect and what are trying to protect that from.=20
-----Original Message-----
From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu] On Behalf Of =
Sean
Donelan
Sent: Friday, March 02, 2007 3:19 PM
To: Roland Dobbins
Cc: NANOG
Subject: Re: Where are static bogon filters appropriate? was: =
96.2.0.0/16
Bogons
On Fri, 2 Mar 2007, Roland Dobbins wrote:
>> Sometimes, network operators have to take the bull
>> by the horns and develop their own systems to do a job that vendors=20
>> simply don't understand.
>
> Concur - but it seems that many seem to be looking for someone else to =
> do
> this for them (or, perhaps, the lack of someone to do it for them as =
an=20
> excuse to do nothing at all).
How much of a problem is traffic from unallocated addresses? Backbone=20
operators probably have NetFlow data which they could mine to find out. =
On
the other hand, how much of a problem is obsolete bogon filters causing
everytime IANA delegates another block to an RIR?
Or by the way, how much spoofed traffic uses allocated addresses?