Anyone notice strange announcements for 174.128.31.0/24

bmanning at vacation.karoshi.com bmanning at vacation.karoshi.com
Wed Jan 14 09:57:27 CST 2009


 welcome to the joys of anycast... :)

--bill


On Wed, Jan 14, 2009 at 09:50:39AM -0600, 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?
> 
> 
> 
> -
> 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 at 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 at bogons.net  * 
> 
> 




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