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North American Network Operators Group

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Re: SMURF amplifier block list - READ THIS

  • From: Jay R. Ashworth
  • Date: Tue Apr 14 19:27:14 1998

On Tue, Apr 14, 1998 at 05:22:42PM -0500, Karl Denninger wrote:
> Uh, folks, blocking the broadcast address will NOT help you in the case 
> of a smurf POUNDING ON YOU.  It will ONLY prevent your customers launching 
> a smurf against someone ELSE.  A FAR more effective means of doing THAT is 
> to prohibit source address forgery on your connections.

Um, Karl?  That's not what we were talking about.

What we were talking about was forbidding external connections to the
class-C broadcast addresses on a net, and why that useful process made
addressing hosts on .255 boundaries A Bad Idea.

Cheers,
-- jra
-- 
Jay R. Ashworth                                                jra@baylink.com
Member of the Technical Staff             Unsolicited Commercial Emailers Sued
The Suncoast Freenet      "Two words: Darth Doogie."  -- Jason Colby,
Tampa Bay, Florida             on alt.fan.heinlein             +1 813 790 7592

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