Over a decade of DDOS--any progress yet?

jim deleskie deleskie at gmail.com
Wed Dec 8 14:31:51 UTC 2010


+1

On Wed, Dec 8, 2010 at 10:30 AM, Drew Weaver <drew.weaver at thenap.com> wrote:
> Yes, but this obviously completes the 'DDoS attack' and sends the signal that the bully will win.
>
> -Drew
>
>
> -----Original Message-----
> From: alvaro.sanchez at adinet.com.uy [mailto:alvaro.sanchez at adinet.com.uy]
> Sent: Wednesday, December 08, 2010 8:46 AM
> To: rdobbins at arbor.net; North American Operators' Group
> Subject: Re: Over a decade of DDOS--any progress yet?
>
> A very common action is to blackhole ddos traffic upstream by sending a
> bgp route to the next AS with a preestablished community indicating the
> traffic must be sent to Null0. The route may be very specific, in order
> to impact as less as possible. This needs previous coordination between
> providers.
> Regards.
>
>>----Mensaje original----
>>De: rdobbins at arbor.net
>>Fecha: 08/12/2010 10:53
>>Para: "North American Operators' Group"<nanog at nanog.org>
>>Asunto: Re: Over a decade of DDOS--any progress yet?
>>
>>
>>On Dec 8, 2010, at 7:28 PM, Arturo Servin wrote:
>>
>>>      One big problem (IMHO) of DDoS is that sources (the host of
> botnets) may be completely unaware that they are part of a DDoS. I do
> not mean the bot machine, I mean the ISP connecting those.
>>
>>The technology exists to detect and classify this attack traffic, and
> is deployed in production networks today.
>>
>>And of course, the legitimate owners of the botted hosts are
> generally unaware that their machine is being used for nefarious
> purposes.
>>
>>>      In the other hand the target of a DDoS cannot do anything to stop
> to attack besides adding more BW or contacting one by one the whole
> path of providers to try to minimize the effect.
>>
>>Actually, there're lots of things they can do.
>>
>>>      I know that this has many security concerns, but would it be good
> a signalling protocol between ISPs to inform the sources of a DDoS
> attack in order to take semiautomatic actions to rate-limit the traffic
> as close as the source? Of course that this is more complex that these
> three or two lines, but I wonder if this has been considerer in the
> past.
>>
>>It already exists.
>>
>>-----------------------------------------------------------------------
>>Roland Dobbins <rdobbins at arbor.net> // <http://www.arbornetworks.com>
>>
>>              Sell your computer and buy a guitar.
>>
>>
>>
>>
>>
>>
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