SMURF amplifier block list - READ THIS

Jay R. Ashworth jra at
Tue Apr 14 23:18:17 UTC 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.

-- jra
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