[110736] in North American Network Operators' Group
Re: Anyone notice strange announcements for 174.128.31.0/24
daemon@ATHENA.MIT.EDU (John Payne)
Wed Jan 14 16:57:32 2009
From: John Payne <john@sackheads.org>
To: Michienne Dixon <mdixon@nkc.org>
In-Reply-To: <6316CD198EC8BC44A9D200F375869F1E4A1737@nkc-mailsrv.nkc.org>
Date: Wed, 14 Jan 2009 16:57:13 -0500
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
On Jan 14, 2009, at 10:50 AM, Michienne Dixon wrote:
>
> Interesting - So as a cyber criminal - I could setup a router, start
> announcing AS 16733, 18872, and maybe 6966 for good measure and their
> routers would ignore my announcements and IP ranges that I siphoned
> from
> searching IANA? Hm... Would that also prevent them from accessing my
> rogue network from their network?
What do you mean "announcing AS 16733..." ?
Putting 16733 in an AS PATH is not announcing it.
>
>
>
>
> -
> Michienne Dixon
> Network Administrator
> liNKCity
> 312 Armour Rd.
> North Kansas City, MO 64116
> www.linkcity.org
> (816) 412-7990
>
> -----Original Message-----
> From: Simon Lockhart [mailto:simon@slimey.org]
> Sent: Wednesday, January 14, 2009 2:07 AM
> To: Hank Nussbacher
> Cc: NANOG list
> Subject: Re: Anyone notice strange announcements for 174.128.31.0/24
>
> On Wed Jan 14, 2009 at 09:59:14AM +0200, Hank Nussbacher wrote:
>> What if, by doing some research experiment, the researcher discovers
>> some unknown and latent bug in IOS or JunOS that causes much of the
>> Internet to go belly up? 1 in a billion chance, but nonetheless, a
>> headsup would have been in order.
>
> Say we had a customer who connected to us over BGP, and they used some
> new experimental BGP daemon. Their announcement was "odd" in some way,
> but appeared clean to us (a Cisco house). Once their announcement hit
> the a Foundry router, it tickled a bug which caused the router to
> propogate the announcement, but also start to blackhole traffic. Oh
> dear, large chunks of the Internet have just gone belly up.
>
> Should we have given a heads up to the Internet at large that we were
> turning up this customer?
>
> Simon
> (Yes, I'm in the minority that thinks that Randy hasn't done anything
> bad)
> --
>
> Simon Lockhart | * Sun Server Colocation * ADSL * Domain
> Registration *
> Director | * Domain & Web Hosting * Internet Consultancy *
> Bogons Ltd | * http://www.bogons.net/ * Email: info@bogons.net *
>
>
