[nsp] known networks for broadcast ping attacks

Jay R. Ashworth jra at scfn.thpl.lib.fl.us
Wed Jul 30 20:39:31 UTC 1997


On Wed, Jul 30, 1997 at 04:03:04PM -0400, Netstat Webmaster wrote:
> On Wed, 30 Jul 1997, Jay R. Ashworth wrote:
> > What he's saying is that someone is mounting broadcast ping flooding
> > attacks with forged source addresses which make them appear to be
> > coming from MAE-East, among other places.
> 
> mmmm... no.  The forged source address is that of the victim.  The listed 
> broadcast addresses are the destinations of the packets with the forged 
> address of the victim.  The broadcast addresses are never forged.

Really?  

Hmmm...

In any event, such filtering on the part of IAP's will solve the
problem, mostly.

Cheers,
-- jra
-- 
Jay R. Ashworth                                                jra at baylink.com
Member of the Technical Staff             Unsolicited Commercial Emailers Sued
The Suncoast Freenet      "People propose, science studies, technology
Tampa Bay, Florida          conforms."  -- Dr. Don Norman      +1 813 790 7592



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