Re: (PM) SMURF Filter
Rick Smith (rsmith@nac.net)
Sun, 14 Jun 1998 16:03:19 -0400 (EDT)
On Sun, 14 Jun 1998, Bernard Becker wrote:
> I'm currently being smurfed to death.
> Attack is using one of my downstream customers networks as the amplifier.
> The attack is using 70% of my bandwidth.
> The customer has an IRX112 which is billed as a "FireWall Router"
>
> Livingston Tech support has refused to help.
> They will not help with writing filters for customers or provide examples
> for "Legal Reasons"
> A call to my sales rep has also not resulted in any action.
Well then, there's a perfect reason for the solution below.
*cheer cisco*
IOS is your friend.
> The other option is to pull the expensive "FireWall Router" and replace
> with a simple Cisco 2501 and put in the no ip-directed broadcasts command,
> and go to bed.
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