RE: Botnet hunting resources (was: Re: DOS in progress ?)

["Frank Bulk" <frnkblk () iname com>]

Some hardcore stuff on S/RTBH here:
http://www.arbornetworks.com/index.php?option=com_docman&task=doc_download&g
id=112
http://www.cisco.com/web/about/security/intelligence/blackhole.pdf (which
appears to have replaced
http://www.cisco.com/warp/public/732/Tech/security/docs/blackhole.pdf)
http://www.nanog.org/meetings/nanog30/presentations/morrow.pdf
http://pierky.wordpress.com/2009/05/31/gns3-lab-remote-triggered-black-holin
g/
http://packetlife.net/blog/2009/jul/06/remotely-triggered-black-hole-rtbh-ro
uting/

Frank

-----Original Message-----
From: Luke S Crawford [mailto:lsc () prgmr com] 
Sent: Saturday, August 08, 2009 3:15 AM
To: Roland Dobbins
Cc: NANOG list
Subject: Re: Botnet hunting resources (was: Re: DOS in progress ?)

Roland Dobbins <rdobbins () arbor net> writes:

> On Aug 8, 2009, at 11:57 AM, Luke S Crawford wrote:
>
> > 2. is there a standard way to push a null-route on the attackers
> > source IP upstream?
>
> Sure - if you apply loose-check uRPF (and/or strict-check, when you
> can do so) on Cisco or Juniper routers, you can combine that with the
> blackhole to give you a source-based remotely-triggered blackhole, or
> S/RTBH.  You can do this at your edges, and you *may* be able to
> arrange it with other networks with whom you connect (i.e., scope
> limited to your link with them).

Ah, nice.  thank you, that is exactly what I was looking for.  
I'll read up on it this weekend and see if I can talk my provider into
letting
me push that upstream.


-- 
Luke S. Crawford
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