[90770] in North American Network Operators' Group
Re: Interesting new spam technique - getting a lot more popular.
daemon@ATHENA.MIT.EDU (Suresh Ramasubramanian)
Wed Jun 14 00:17:31 2006
Date: Wed, 14 Jun 2006 09:46:25 +0530
From: "Suresh Ramasubramanian" <ops.lists@gmail.com>
To: "Christopher L. Morrow" <christopher.morrow@verizonbusiness.com>
Cc: NANOG <nanog@merit.edu>
In-Reply-To: <Pine.GSO.4.58.0606140410060.19686@marvin.argfrp.us.uu.net>
Errors-To: owner-nanog@merit.edu
That was not my advice btw - just forwarding on what I saw.
What you say does seem like a "must do" all right - but putting ARP
filters in is actually a reasonable idea.
On 6/14/06, Christopher L. Morrow
<christopher.morrow@verizonbusiness.com> wrote:
>
> On Wed, 14 Jun 2006, Suresh Ramasubramanian wrote:
> >
> > http://thespamdiaries.blogspot.com/2006/02/new-host-cloaking-technique-used-by.html
> >
> > * Monitor your local network for interfaces transmitting ARP
> > responses they shouldn't be.
>
> how about just mac security on switch ports? limit the number of mac's at
> each port to 1 or some number 'valid' ?
>
--
Suresh Ramasubramanian (ops.lists@gmail.com)
