Re: (PM) SMURF Filter

Jake Messinger (jake@ams.com)
Mon, 15 Jun 1998 10:52:58 -0500 (CDT)

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"

A 211 is a firewall router, not a 112.

> Livingston Tech support has refused to help.
> They will not help with writing filters for customers or provide examples
> for "Legal Reasons"

Huh>?? There are sample of filters under their technotes to do things like
watch icmp and ping packets.

> I need an example of a filter that will stop someone outside their network
> from pinging the broadcast address.

Look at...

http://www.livingston.com/Tech/Technotes/300/303003.html

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AMS, Inc. fx:713-774-3498 Medical Billing
8300 Bissonnet #400 jake@ams.com Internet Services
Houston, Texas 77074 www.ams.com/~jake Business Management
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