Re: botted hosts

["Christopher L. Morrow" <christopher.morrow () mci com>]

On Mon, 4 Apr 2005, Dave Rand wrote:

> [In the message entitled "Re: botted hosts" on Apr  4,  1:10, Sean Donelan writes:]
> > On Sun, 3 Apr 2005, Dave Rand wrote:
> > > That means that if just the ISPs that we have identified as having
> > > "dynamically assigned" addresses were to install port 25 blocking, more than
> > > 1/3 of the spam would vanish.
> >
> > Does port 25 blocking actually make a difference?  Any public data from
> > before and after?  Or does it just annoy people, cause problems and not
> > fix anything?
> Blocking port 25 has been a good idea for 8 years.  Many ISPs have already
> done it (some better than others), and it absolutely does fix things.

just to be clear, from which 'customer' types are you asking to have
tcp/25 blocked? Dial? DSL? Cable-modem? Dedicated? can your providers go
block tcp/25 from your links today?