Reporting Little Blue Men

Thu Jan 22 03:36:26 UTC 1998

That would make you one of the (few) Good Guys!

Dave Van Allen

-----Original Message-----
From: Eric Wieling [mailto:eric at ccti.net]
Sent: Wednesday, January 21, 1998 4:34 PM
To: nanog at merit.edu
Subject: Re: Reporting Little Blue Men

On Tue, Jan 20, 1998 at 07:50:16PM -0500, Dave Van Allen wrote:
> Start by making sure your RAS users and direct customers (your
network's
> edge) can only output packets that contain their valid source address.
> If everyone did this, all of the world's problems would go away; Ozone
> depletion, world hunger, that silly rain forest thing, Smurfs and DoS
> and maybe even Microsoft! :-)

We prevent ANY packets to or from our network with a broadcast
address.  We don't filter on a per-machine basis for address
spoofing, but ALL packets leaving our network must have a valid
address on our network.  Basically, one user on our network can spoof
another user on our network, but no users can spoof addresses that
are not on our network.

--Eric
-- 
Eric Wieling (eric at ccti.net), Chesapeake Communications Corporation
Sales: sales at ccti.net 504-585-1850, Support: support at ccti.net
504-535-5449

We have changed our name!  Corporate Communications Technology is now
known as Chesapeake Communications Corporation.