North American Network Operators Group

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Re: SMURF amplifier block list

  • From: Alex P. Rudnev
  • Date: Tue Apr 14 06:13:50 1998

The whole idea was to block attempts to make SMURF atatck originated from 
your network, and this case the black list of addresses to be blocked 
(it's the list of broadcast addresses used to amplify ICMP) joined with 
the logging such attempts is quite usefull.

> Date: Mon, 13 Apr 1998 19:46:29 -0600 (MDT)
> From: Forrest W. Christian <[email protected]>
> To: Vadim Antonov <[email protected]>
> Cc: Karl Denninger <[email protected]>, Dean Anderson <[email protected]>,
>     "Jay R. Ashworth" <[email protected]>, [email protected]
> Subject: Re: SMURF amplifier block list
> On Mon, 13 Apr 1998, Vadim Antonov wrote:
> >  Uh.  Just modify BGP routes from that feed to have a next hop pointing
> >  to a black hole.  route-maps are sometimes useful.
> Could someone PLEASE explain to me how this is accomplished?