smurf's attack...

Jordyn A. Buchanan jordyn at
Fri Sep 5 20:55:48 UTC 1997

At 3:41 PM +0000 9/5/97, DAVE NORDLUND wrote:
>> Likewise, not all broadcast adresses necessarily end with .255,
>> so filtering .255 won't help anyway in the presence of something
>> like a /25 with a X.X.X.127 broadcast.
>Agreed but it is not easy for a hacker to determine CIDR masks.  It
>is my impression that the only thing being sent is classfull broadcasts.

Further, smaller networks (which, theoretically speaking at least, have
fewer hosts) would be less useful in a smurf attack than larger ones, as
there would be less of a multiplying effect.


|Jordyn A. Buchanan                    mailto:jordyn at |
|Bestweb Corporation             |
|Senior System Administrator                     +1.914.271.4500 |

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