[20690] in North American Network Operators' Group
RE: Actions to quiet the Smurf amplifiers?
daemon@ATHENA.MIT.EDU (Barry Raveendran Greene)
Wed Oct 21 20:59:23 1998
From: "Barry Raveendran Greene" <bgreene@cisco.com>
To: "Hui-Hui Hu" <hhui@arcfour.com>, "Phil Howard" <phil@whistler.intur.net>
Cc: <nanog@merit.edu>
Date: Thu, 22 Oct 1998 08:30:21 +0800
In-Reply-To: <199810211831.OAA28406@merit.edu>
Check the whitepaper at:
http://www.cisco.com/public/cons/isp/documents/IOSEssentialsPDF.zip
It's got some reverse-path and ingress/egress filtering write-ups.
Barry
> -----Original Message-----
> From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu]On Behalf Of
> Hui-Hui Hu
> Sent: Thursday, October 22, 1998 2:34 AM
> To: Phil Howard
> Cc: nanog@merit.edu
> Subject: Re: Actions to quiet the Smurf amplifiers?
>
>
>
> it's a CC feature in the 11.1 train, it's been mentioned before,
> and should be applied per-interface.
>
>
> ---
> Tung-Hui Hu (HH26) 734.996.4911 http://arcfour.com
>
> : It doesn't seem to be working for me. What version of IOS does this new
> : feature show up in? Why hasn't it been mentioned before? Or
> is this not
> : similar enough to be usable to block smurf and other forgery?
>
> : Danny McPherson writes...
>
> : > Cisoc already has a feature similar to this, "ip verify unicast
> : > reverse-path".
>
>
