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?
