I just read the paper... Sounds like as an ISP, I should offer a new product "The Internet Minus Four Port Numbers Microsoft Can't Handle." What I can't tell is whether this should cost more or less than "The Internet"
Matthew Kaufman > On Behalf Of Johannes Ullrich: > > I just summarized my thoughts on this topic here: > http://www.sans.org/rr/special/isp_blocking.php> > > Overall: I > think there are some ports (135, 137, 139, > 445), > a consumer ISP should block as close to the customer as > they can. >
