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Date:      Fri, 2 Jul 1999 03:10:47 -0700 (PDT)
From:      Cliff Skolnick <cliff@steam.com>
To:        Josef Karthauser <joe@pavilion.net>
Cc:        Dag-Erling Smorgrav <des@flood.ping.uio.no>, Snob Art Genre <ben@narcissus.net>, Bill Fink <bill@billfink.com>, freebsd-security@FreeBSD.ORG
Subject:   Re: your mail
Message-ID:  <Pine.BSF.4.10.9907020306230.1336-100000@lazlo.internal.steam.com>
In-Reply-To: <19990702104239.X69050@pavilion.net>

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Add permanent, static arp entries for all your legit mac/ip combos, then
disable arp on your gateway.  You can disable arp with a "-arp" on the
ifconfig line according to the man page.  This should keep him busy, of
course I would just swap ethernet cards with another user in the
house...never mind.

Cliff

On Fri, 2 Jul 1999, Josef Karthauser wrote:

> On Fri, Jul 02, 1999 at 11:24:04AM +0200, Dag-Erling Smorgrav wrote:
> > Josef Karthauser <joe@pavilion.net> writes:
> > > As an associated thing can anyone think of an easy way of ignoring traffic
> > > coming from a particular MAC address on the network?  I've got a user who
> > > keeps changing their IP address to get arround the fact that I've restricted
> > > traffic to that address.
> > 
> > So terminate him.
> 
> Ah, if only life were that simple ;)  There are laws against that kind of
> thing :o).
> 
> He's on a local area network that I'm part of.  I provide routed access to
> the internet, but he's allowed access to the network to connect to other
> users (this is at home, not at work - he rent's a room from me.)  The problem
> is that he's running Internet Explorer 5 in stupid "go on line for no reason
> at all" mode and until he's either un-installed it, or fixed the problem
> I've told him that I'm shutting down his internet access.  That said he's
> been a naughty boy and changed his IP address a couple of times to other
> people's.  He thinks that I don't know, but of course I've got changing
> ARP addresses.  What I'd like to do now is ignore his MAC address on the 
> server instead to get around this.  (I could disconnect him from the network
> but that's harder to police.)
> 
> Joe
> -- 
> Josef Karthauser	FreeBSD: How many times have you booted today?
> Technical Manager	Viagra for your server (http://www.uk.freebsd.org)
> Pavilion Internet plc.  [joe@pavilion.net, joe@uk.freebsd.org, joe@tao.org.uk]
> 
> 
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> 

--
Cliff Skolnick          | "They that can give up essential liberty to obtain
Steam Tunnel Operations |  a little temporary safety deserve neither liberty
cliff@steam.com         |  nor safety."
http://www.steam.com/   |                   -- Benjamin Franklin, 1759



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