[22645] in North American Network Operators' Group

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Re: Solution: Re: Huge smurf attack

daemon@ATHENA.MIT.EDU (Dan Hollis)
Wed Jan 13 22:14:34 1999

Date: Wed, 13 Jan 1999 18:49:06 -0800 (PST)
From: Dan Hollis <goemon@sasami.anime.net>
Reply-To: Dan Hollis <goemon@sasami.anime.net>
To: Brandon Ross <bross@mindspring.net>
cc: nanog@merit.edu
In-Reply-To: <Pine.LNX.3.96.990113203708.32407Z-100000@xymox.netops.mindspring.net>

On Wed, 13 Jan 1999, Brandon Ross wrote:
> Regardless, even from a strict monetary point of view, while the smurf
> attacks against us are most certainly harmful, they don't cost us nearly
> as much as the tech support calls blocking ICMP echo would generate.

How about originating smurf attacks?

Does mindspring do filtering on dialups, or can mindspring users forge any
source address they like?

Does ANY major provider filter source addresses on their dialups?

-Dan


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