[12830] in North American Network Operators' Group
Re: Denial of service attacks apparently from UUNET Netblocks
daemon@ATHENA.MIT.EDU (Jay R. Ashworth)
Thu Oct 9 00:39:53 1997
Date: Thu, 9 Oct 1997 00:09:39 -0400
From: "Jay R. Ashworth" <jra@scfn.thpl.lib.fl.us>
To: "John A. Tamplin" <jat@traveller.com>
Cc: "Matthew V. J. Whalen" <mwhalen@uucom.com>, nanog@merit.edu
In-Reply-To: <Pine.A32.3.91.971008230907.27882R-100000@cyclone.traveller.com>; from "John A. Tamplin" <jat@traveller.com> on Wed, Oct 08, 1997 at 11:09:35PM -0500
On Wed, Oct 08, 1997 at 11:09:35PM -0500, John A. Tamplin wrote:
> On Wed, 8 Oct 1997, Jay R. Ashworth wrote:
> > To belabor the obvious, remember that not all dialups are hosts; what
> > you need to set as the filter on the source addresses is a _netmask_.
>
> And for those, you aren't dynamically assigning the addresses so it is
> easy to build a filter for them.
Usually. I could see a circumstance where a small LAN was using an
ISDN dial on demand link... You're not dynamically assigning the
address... but you _are_ dynamically assigning it to a port.
Cheers,
-- jra
--
Jay R. Ashworth jra@baylink.com
Member of the Technical Staff Unsolicited Commercial Emailers Sued
The Suncoast Freenet "People propose, science studies, technology
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