WANTED: ISPs with DDoS defense solutions

Thu Jul 31 13:30:18 UTC 2003

I take it folks havent started implementing RFC3514 yet, should solve all these 
issues....

Steve

On Thu, 31 Jul 2003, Petri Helenius wrote:

> 
> 
> I would say that because backdoored hosts are easily available in large
> quantities, spoofing does not make sense and usually alarms various systems
> more quickly than packets from legitimate addresses.
> 
> Pete
> 
> ----- Original Message ----- 
> From: <variable at ednet.co.uk>
> To: "Rob Thomas" <robt at cymru.com>
> Cc: "NANOG" <nanog at merit.edu>
> Sent: Thursday, July 31, 2003 4:17 PM
> Subject: Re: WANTED: ISPs with DDoS defense solutions
> 
> 
> > 
> > On Wed, 30 Jul 2003, Rob Thomas wrote:
> > 
> > > I've tracked 1787 DDoS attacks since 01 JAN 2003.  Of that number,
> > > only 32 used spoofed sources.  I rarely see spoofed attacks now.
> > 
> > Do you have any ideas as to why that is?  Is it due to more providers 
> > doing source filtering?  It wouldn't make sense for attackers to become 
> > less sophisticated unless they became more difficult to catch for other 
> > reasons (e.g. botnets getting bigger).
> > 
> > Rich
> > 
> > 
> 