Re: ISPs can easily decrease net abuse

From: Barry Margolin (barmar_at_alum.mit.edu)
Date: 12/08/03 

Date: Mon, 08 Dec 2003 17:22:00 GMT

In article <MPG.1a3e37691b98ffdb989f08@news-server.columbus.rr.com>,
 Leythos <void@nowhere.com> wrote:

> In article <barmar-6F3571.00112908122003@netnews.attbi.com>,
> barmar@alum.mit.edu says...
> > In article <MPG.1a3d55ca933ee78989efb@news-server.columbus.rr.com>,
> > Leythos <void@nowhere.com> wrote:
> >
> > > I'm not saying the ISP should provide anything, just enable the BUILT-IN
> > > feature on most of their cable/dsl modems, NAT, for home users, in order
> > > to prevent most of what happens to home users that do not know enough to
> > > purchase some border or personal firewall appliance or software.
> >
> > Do most cable/dsl modems really have NAT as a built-in feature? I think
> > this is almost always a feature of routers, not modems.
>
> So far, every cable/dsl modem I've seen installed by a major ISP has the
> ability to provide NAT. Even my CISCO BP900 can provide both NAT and
> direct at the same time.

I bought my cable modem 2 or 3 years ago, and I don't recall anything
like that in its documentation. It's a Toshiba PCX1100. If I needed
NAT (i.e. if I had a second computer) I would go out and buy an
inexpensive Linksys router. 

-- 
Barry Margolin, barmar@alum.mit.edu
Woburn, MA

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